Hydroxychloroquine as Prophylaxis for Coronavirus SARS-CoV-2 Infection: Review of the Ongoing Clinical Trials

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"apellidos" => "Velez" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "e" "identificador" => "aff0025" ] 1 => array:2 [ "etiqueta" => "f" "identificador" => "aff0030" ] ] ] ] "afiliaciones" => array:6 [ 0 => array:3 [ "entidad" => "Centro Oftalmológico Virgilio Galvis, Floridablanca, Colombia" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Fundación Oftalmológica de Santander FOSCAL, Floridablanca, Colombia" "etiqueta" => "b" "identificador" => "aff0010" ] 2 => array:3 [ "entidad" => "Faculty of Health Sciences, Universidad Autónoma de Bucaramanga UNAB, Bucaramanga, Colombia" "etiqueta" => "c" "identificador" => "aff0015" ] 3 => array:3 [ "entidad" => "Department of Clinical Sciences, Internal Medicine, Anesthesiology and Cardiovascular Diseases – Rheumatology, Sapienza University of Rome, Rome, Italy" "etiqueta" => "d" "identificador" => "aff0020" ] 4 => array:3 [ "entidad" => "Department of Ophthalmology, University of California Los Angeles, Los Angeles, California, United States" "etiqueta" => "e" "identificador" => "aff0025" ] 5 => array:3 [ "entidad" => "Department of Ophthalmology, Duke University, Durham, North Carolina, United States" "etiqueta" => "f" "identificador" => "aff0030" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Hidroxicloroquina como profilaxis para la infección por coronavirus SARS-CoV-2: revisión de los ensayos clínicos en curso" ] ] "textoCompleto" => "At the time of writing this document the entire planet is facing the pandemic caused by the SARS-CoV-2 virus. Contrary to the initial thoughts that most infected patients had symptoms, according to data from China collected in April 2020, at the time of the diagnosis, up to 80% of those confirmed to have the disease are asymptomatic, becoming an important source of contagion.<a class="elsevierStyleCrossRefs" href="#bib0080">1–3</a> Pan et al. reported that health workers in Wuhan (China) had a significantly higher risk of becoming infected (daily confirmed case rate in local health care workers was 130.5 per million while in the general population it was 41.5 per million).<a class="elsevierStyleCrossRef" href="#bib0095">4</a>In this light, the scientific community is discussing the use of chemoprophylaxis in people at higher risk of infection using several alternatives including antimalarials (chloroquine or hydroxychloroquine) and antiretrovirals (lopinavir-ritonavir).<a class="elsevierStyleCrossRefs" href="#bib0100">5–10</a> There is an increased interest in use of chloroquine and hydroxychloroquine, two medications that have experimentally shown to have antiviral capabilities and prophylactic potential.<a class="elsevierStyleCrossRefs" href="#bib0130">11,12</a> Lee et al. recently reported good results in an observational study in South Korea after a large COVID-19 exposure event in a hospital. At the end of quarantine, after receiving post-exposure prophylaxis with hydroxychloroquine (400mg daily for 14 days) all follow-up PCR tests were negative in 211 individuals exposed to the index case.<a class="elsevierStyleCrossRef" href="#bib0140">13</a> Certain countries have already adopted chemoprophylaxis schemes; on March 22nd, 2020, the Indian Council of Medical Research's National Task Force for COVID-19 issued a national recommendation to use hydroxychloroquine for prophylaxis against SARS-CoV-2 infection (400mg twice a day on day 1, followed by 400mg once weekly for 7 weeks).<a class="elsevierStyleCrossRef" href="#bib0145">14</a>We conducted a search (updated to April 15th, 2020) on the website <a href="https://clinicaltrials.gov/">https://clinicaltrials.gov/</a>. Using the keywords COVID-19 and hydroxychloroquine we found a total of 90 projects registered. Twenty-five of those projects included the use of prophylaxis in non-infected population (<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>)<elsevierMultimedia ident="tbl0005"></elsevierMultimedia>Institutions from 13 countries are leading those projects, 13 of them from the United States, 2 from Mexico, 2 from Spain and 2 from France. Turkey, Colombia, Austria, South Korea, Singapore, United Kingdom, Thailand, Australia and Canada, have institutions leading one project (there are more institutions than projects, because some have shared leadership).There is a significant variability in the number of participants among the studies. The estimated number of participants to be enrolled ranges between 45 and 55,000 with an average of 5588±13,139.2, and a median of 1212 participants. Only 3 (12%) studies plan to enroll more than 4000 participants; those 3 studies will include 70,000 participants which corresponds to 50.1% of the total potential recruitment of the 25 protocols (<a href="ctgov:NCT04334148">NCT04334148</a>, <a href="ctgov:NCT04303507">NCT04303507</a> and <a href="ctgov:NCT04333732">NCT04333732</a>).There is a significant variability among protocols regarding hydroxychloroquine maintenance dose, which will be between 200 and 600mg. The frequency is also highly variable: seventeen protocols will use daily prophylaxis for a period from 4 days to 12 weeks and 9 protocols plan to evaluate weekly use for a period of 3 to 24 weeks. Thirteen (52% of 25) protocols will use an initial loading dose ranging between 400–1400mg taken on the first day. In three other protocols, 2–4 days of loading doses of 400mg/day will be indicated.19 clinical trials will evaluate pre-exposure prophylaxis and 6 post-exposure prophylaxis. In 9 of the pre-exposure prophylaxis studies and 4 of the post-exposure prophylaxis studies, a loading dose of 800mg of hydroxychloroquine will be started on the first day. In an additional multicenter pre-exposure prophylaxis study, which plans to recruit 15,000 participants (<a href="ctgov:NCT04334148">NCT04334148</a>), they will use a higher loading dose on the first day: 1200mg of hydroxychloroquine.We evaluated the exclusion criteria among protocols by grouping into several possible categories. Most common criteria used by protocols to exclude patients comprised allergies to 4-aminoquinolines (hydroxychloroquine, chloroquine) in 20 studies (80%); retinopathy in 19 (76%); history of a prolonged QT syndrome, use of medications that prolong the QT/QTc interval or risk factors for torsades de pointe in 17 (68%); nephropathy in 16 (64%); pregnancy or breastfeeding in 14 (56%); concomitant use of other medications with potential pharmacological interaction with 4-aminoquinolines in 13 (52%); liver disease in 13 (52%); psoriasis or porphyria in 11 (44%) and glucose-6-phosphate dehydrogenase deficiency in 9 protocols (36%).We used only clinicaltrials.gov to search the trials, which is a weakness of our study, because several protocols may be lost (those registered on <a href="https://www.clinicaltrialsregister.eu/">https://www.clinicaltrialsregister.eu/</a>, <a href="http://www.chictr.org.cn/index.aspx">http://www.chictr.org.cn/index.aspx</a> or <a href="https://apps.who.int/trialsearch/">https://apps.who.int/trialsearch/</a>). However, due to the rapidity of the events related to the COVID-19 pandemic, we consider that the initial publication of the review including only those registered on clinicaltrials.gov is warranted, in order to give clinicians a preliminary picture.According to the World Health Organization, as of April 15th, 2020, there are almost 2 million confirmed cases of SARS-CoV-2 virus in 213 countries and territories, but this is a underestimation, because as mentioned, around 80% of the infected people could be asymptomatic and go undetected.<a class="elsevierStyleCrossRef" href="#bib0095">4</a> A high infection rate among health care workers would not only exacerbate the impending shortage of health care facilities and health personnel but would also increase the possibility of a more widespread dissemination.<a class="elsevierStyleCrossRef" href="#bib0100">5</a> However, the current scientific evidence is still not conclusive for institutions and governments to adopt a general recommendation regarding the prophylactic use of hydroxychloroquine chemoprophylaxis in healthcare workers.Chloroquine and its derivatives (e.g., hydroxychloroquine) have been used for malaria and autoimmune rheumatic diseases for almost 80 years, and both the data from the literature and the experience of clinicians show a low incidence of side effects, which are generally mild to moderate. Retinal toxicity, a serious effect, is related to long-term cumulative dose, and is rarely seen in short-term use (i.e. several weeks).<a class="elsevierStyleCrossRefs" href="#bib0120">9,15</a>These arguments perhaps tip the balance in favor of using prophylaxis for SARS-CoV-2 virus infection, as long as they are not contraindicated. Nonetheless we are yet to know the results of these clinical trials." 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align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">ClinicalTrials.gov Identifier \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Intervention (Hydroxychloroquine sulphate dose) \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Estimated enrollment \t\t\t\t\t\t\n \t\t\t\t\t\t</th><th class="td" title="\n \t\t\t\t\ttable-head\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Locations \t\t\t\t\t\t\n \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hydroxychloroquine in the Prevention of COVID-19 Infection in Healthcare Workers \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04333225 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">400mg twice a day (two 200mg tabs twice a day) on day 1 followed by two 200mg tablets once a week for a total of 7 weeks. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">360 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Baylor University Medical Center, Dallas, Texas, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Pre-Exposure Prophylaxis With Hydroxychloroquine for High-Risk Healthcare Workers During the COVID-19 Pandemic \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04331834 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">400mg daily during the first 4 days, followed by 400mg weekly during 6 months \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">440 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">ISGlobal, Barcelona, Spain \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Military COVID-19 Hydroxychloroquine Pre-exposure and Post-exposure Prophylaxis Study \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04343677 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Daily dosing of hydroxychloroquine (between 200 and 400mg) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1450 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Pentagon Arlington, Virginia, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hydroxychloroquine Post Exposure Prophylaxis for Coronavirus Disease (COVID-19) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04318444 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">400mg twice daily on day 1; for days 2–5, 200mg twice daily. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1600 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Columbia University Irving Medical Center New York, New York, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">5 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">The PATCH Trial (Prevention And Treatment of COVID-19 With Hydroxychloroquine) – Cohort 3 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04329923 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">600mg once a day for 2 months \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">400 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">University of Pennsylvania, Philadelphia, Pennsylvania, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">6 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hydroxychloroquine Chemoprophylaxis in Healthcare Personnel in Contact With COVID-19 Patients (PHYDRA Trial) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04318015 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">200mg per day for 60 days. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">400 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">National Institute of Respiratory Diseases, Mexico City, Mexico \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">7 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hydroxychloroquine as Post Exposure Prophylaxis for SARS-CoV-2(HOPE Trial) \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04330144 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">First day: 800mg. Days 2–5: 400mg daily \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2486 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Gangnam Severance Hospital, Seoul, South Korea \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">8 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Healthcare Worker Exposure Response and Outcomes of Hydroxychloroquine \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04334148 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">600mg bid loading dose on day 1 followed by 400mg on days 2–30. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">15,000 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Duke University, Durham, North Caroline, United States (multicenter) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">9 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Chemoprophylaxis of SARS-CoV-2 Infection (COVID-19) in Exposed Healthcare Workers \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04328285 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">200mg: 2 tablets on the evening at Day 1 and 2 tablets on the morning at Day 2 and 1 tablet once daily afterwards for 2 months \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">600 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">CHU d’Angers, Angers, France. AP-HP – Hôpital Bichat, Paris, France. CHU de Saint-Etienne, Saint-Étienne, France \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">10 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hydroxychloroquine for COVID-19 PEP \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04328961 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">400mg orally daily for 3 days, then 200mg orally daily for an additional 11 days \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">2000 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NYU Langone Health, New York, New York, United States. University of Washington, Coordinating Center, Seattle, Washington, United States. UW Virology Research Clinic Seattle, Washington, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">11 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hydroxychloroquine as Chemoprevention for COVID-19 for High Risk Healthcare Workers \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04345653 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">400mg (2× 200mg tablets) by mouth 6–12h apart on day 1, followed by 3 weeks of weekly 400mg (2× 200mg tablets) by mouth \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">45 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hackensack Meridian Health - JFK Medical Center, Edison, New Jersey, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">12 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Chloroquine/Hydroxychloroquine Prevention of Coronavirus Disease (COVID-19) in the Healthcare Setting \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04303507 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">A loading dose 12.9mg/kg (i.e. usually between 700 and 900mg). Then 200mg daily for 3 months \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">40,000 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">University of Oxford, Oxford, England. Mahidol Oxford Tropical Medicine Research Unit, Bangkok, Thailand. (multicenter). \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">13 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">A Study of Hydroxychloroquine, Vitamin C, Vitamin D, and Zinc for the Prevention of COVID-19 Infection \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04335084 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Medication doses are not indicated \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">600 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">ProgenaBiome, Ventura, California, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">14 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Will Hydroxychloroquine Impede or Prevent COVID-19 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04341441 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Daily treatment arm: day 1, 400mg once and then 200mg daily for 8 weeks. Once weekly arm: 6.5mg/kg per dose (maximum of 400mg per dose) weekly fro 8 weeks. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3000 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Henry Ford Hospital, Detroit, Michigan, United States. Detroit Department of Transportation (DDOT) Detroit, Michigan, United States. Detroit Fire Department & Detroit EMS, Detroit, Michigan, United States. Detroit Police Department, Detroit, Michigan, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">15 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Low-dose Hydroxychloroquine and Bromhexine: a Novel Regimen for COVID-19 Prophylaxis in Healthcare Professionals \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04340349 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hydroxychloroquine plus Bromhexine: 200mg of Hydroxychloroquine daily for 2 months and 8mg of Bromhexine every 8h for 2 months. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">100 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">National Institute of Rehabilitation, Mexico City, Mexico \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">16 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Safety And Efficacy Of Hydroxychloroquine As COVID-19 Prophylaxis For At-Risk Population (SHARP): A Cluster Randomized Controlled Trial \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04342156 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">800mg as single dose on day 1 followed by 400mg single dose on days 2–5. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3000 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Singapore: Tan Tock Seng Hospital National Center for Infectious Diseases Singapore Clinical Research Institute Singapore Eye Research Institute. Saw Swee Hock School of Public Health Duke-NUS Graduate Medical School. Netherlands: Ministry of Health, Welfare and Sports. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">17 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Prophylactic Hydroxychloroquine vs Vitamin C in Healthcare Workers:RCT \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04347889 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Oral loading dose of 800mg followed by once weekly 400mg for 3 months. Active Comparator: Vitamin C 1000mg daily for three months. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">1212 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Stony Brook University, New York, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">18 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">CROWN CORONATION: Chloroquine RepurpOsing to healthWorkers for Novel CORONAvirus mitigaTION \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04333732 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Induction dose:1200mg chloroquine or hydroxychloroquine in 4 divided daily doses, followed by three treatment arms: low-dose (300mg chloroquine or hydroxychloroquine base weekly); medium-dose (300mg chloroquine or hydroxychloroquine base twice weekly); and high-dose (150mg chloroquine or hydroxychloroquine base daily) fo 3 months. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">55,000 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Washington University School of Medicine Saint Louis, Missouri, United States. Melbourne Medical School Melbourne, Victoria, Australia. Population Health Research Institute Hamilton, Ontario, Canada. (Multicenter) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">19 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Prevention of SARS-CoV-2 in Hospital Workers s Exposed to the Virus \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04344379 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">200mg BID per day for 40 days; active comparator: azythromycin. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">900 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hôpital GHU Paris Saclay Boulogne-Billancourt, France. Hôpital Saint Antoine Paris, France. Hôpital Broca Paris, France (Multicenter) \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">20 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Proflaxis Using Hydroxychloroquine Plus Vitamins-Zinc During COVID-19 Pandemia \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04326725 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Participants have been started hydroxychloroquine 200mg single dose repeated every three weeks plus vitaminC including zinc once a day \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">80 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Istinye University Medical School Istanbul, Turkey \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">21 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Randomized Clinical Trial for the Prevention of SARS-CoV-2 Infection (COVID-19) in Healthcare Personnel \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04334928 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Arm 1: Tenofovir Disoproxil Fumarate 245mg/Emtricitabine 200mg+Placebo. Arm 2:Hydroxychloroquine 200mg once a day+Placebo. Arm 3: Tenofovir Disoproxil Fumarate 245mg/Emtricitabine 200mg+Hydroxychloroquine 200mg (once a day). All the treatments for 12 weeks. \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">4000 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Hospital Universitario Ramón y Cajal, Madrid, Spain \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">22 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">HCQ for Primary Prophylaxis Against COVID19 in Health-care Workers \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04336748 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">200mg once daily for 4 weeks \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">440 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Medical University of Vienna, Vienna, Austria \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">23 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Immune Monitoring of Prophylactic Effect of Hydroxychloroquine in Healthcare Providers Highly Exposed to COVID-19 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04346329 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Loading dose of 800mg the first day followed by 400mg/week for 90 days \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">86 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Facultad de Medicina – Universidad Nacional de Colombia, Bogota, Cundinamarca, Colombia. \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">24 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Pre-exposure Prophylaxis for SARS-Coronavirus-2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04328467 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Arm 1: 400mg orally once, followed by 400mg 6–8h later, thereafter 400mg weekly for the duration of follow up, up to 12 weeks. Arm 2: 400mg orally once, followed by 400mg 6–8h later, thereafter 400mg twice weekly for the duration of follow up, up to 12 weeks \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3500 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">University of Minnesota, Minneapolis, Minnesota, United States \t\t\t\t\t\t\n \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">25 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">Post-exposure Prophylaxis/Preemptive Therapy for SARS-Coronavirus-2 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">NCT04308668 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">800mg orally once, followed in 6–8h by 600mg, then 600mg once a day for 4 consecutive days \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="char" valign="\n \t\t\t\t\ttop\n \t\t\t\t">3000 \t\t\t\t\t\t\n \t\t\t\t</td><td class="td" title="\n \t\t\t\t\ttable-entry\n \t\t\t\t " align="left" valign="\n \t\t\t\t\ttop\n \t\t\t\t">University of Minnesota, Minneapolis, Minnesota, United States. \t\t\t\t\t\t\n \t\t\t\t</td></tr></tbody></table> """ ] "imagenFichero" => array:1 [ 0 => "xTab2408991.png" ] ] ] ] "descripcion" => array:1 [ "en" => "Clinical studies about chemoprophylaxis for coronavirus disease (COVID-19) registered on ClinicalTrials.gov (April 15th, 2020)." ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0015" "bibliografiaReferencia" => array:15 [ 0 => array:3 [ "identificador" => "bib0080" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "J.F. 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Scientific Letter

Hydroxychloroquine as Prophylaxis for Coronavirus SARS-CoV-2 Infection: Review of the Ongoing Clinical Trials

Hidroxicloroquina como profilaxis para la infección por coronavirus SARS-CoV-2: revisión de los ensayos clínicos en curso

Virgilio Galvisa,b,c, Francesca Romana Spinellid, Alejandro Telloa,b,c,

Corresponding author

alejandrotello@gmail.com

Corresponding author.

, Claudia L. Sossab,c, Juan D. Higuerab,c, Edgar D. Gómezb,c, Sergio E. Serranoc, Paul A. Camachob,c, Federico G. Veleze,f

a Centro Oftalmológico Virgilio Galvis, Floridablanca, Colombia

b Fundación Oftalmológica de Santander FOSCAL, Floridablanca, Colombia

c Faculty of Health Sciences, Universidad Autónoma de Bucaramanga UNAB, Bucaramanga, Colombia

d Department of Clinical Sciences, Internal Medicine, Anesthesiology and Cardiovascular Diseases – Rheumatology, Sapienza University of Rome, Rome, Italy

e Department of Ophthalmology, University of California Los Angeles, Los Angeles, California, United States

f Department of Ophthalmology, Duke University, Durham, North Carolina, United States

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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">At the time of writing this document the entire planet is facing the pandemic caused by the SARS-CoV-2 virus&#46; Contrary to the initial thoughts that most infected patients had symptoms&#44; according to data from China collected in April 2020&#44; at the time of the diagnosis&#44; up to 80&#37; of those confirmed to have the disease are asymptomatic&#44; becoming an important source of contagion&#46;<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">1&#8211;3</span></a> Pan et al&#46; reported that health workers in Wuhan &#40;China&#41; had a significantly higher risk of becoming infected &#40;daily confirmed case rate in local health care workers was 130&#46;5 per million while in the general population it was 41&#46;5 per million&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">4</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">In this light&#44; the scientific community is discussing the use of chemoprophylaxis in people at higher risk of infection using several alternatives including antimalarials &#40;chloroquine or hydroxychloroquine&#41; and antiretrovirals &#40;lopinavir-ritonavir&#41;&#46;<a class="elsevierStyleCrossRefs" href="#bib0100"><span class="elsevierStyleSup">5&#8211;10</span></a> There is an increased interest in use of chloroquine and hydroxychloroquine&#44; two medications that have experimentally shown to have antiviral capabilities and prophylactic potential&#46;<a class="elsevierStyleCrossRefs" href="#bib0130"><span class="elsevierStyleSup">11&#44;12</span></a> Lee et al&#46; recently reported good results in an observational study in South Korea after a large COVID-19 exposure event in a hospital&#46; At the end of quarantine&#44; after receiving post-exposure prophylaxis with hydroxychloroquine &#40;400<span class="elsevierStyleHsp" style=""></span>mg daily for 14 days&#41; all follow-up PCR tests were negative in 211 individuals exposed to the index case&#46;<a class="elsevierStyleCrossRef" href="#bib0140"><span class="elsevierStyleSup">13</span></a> Certain countries have already adopted chemoprophylaxis schemes&#59; on March 22nd&#44; 2020&#44; the Indian Council of Medical Research&#39;s National Task Force for COVID-19 issued a national recommendation to use hydroxychloroquine for prophylaxis against SARS-CoV-2 infection &#40;400<span class="elsevierStyleHsp" style=""></span>mg twice a day on day 1&#44; followed by 400<span class="elsevierStyleHsp" style=""></span>mg once weekly for 7 weeks&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0145"><span class="elsevierStyleSup">14</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">We conducted a search &#40;updated to April 15th&#44; 2020&#41; on the website <a href="https://clinicaltrials.gov/">https&#58;&#47;&#47;clinicaltrials&#46;gov&#47;</a>&#46; Using the keywords COVID-19 and hydroxychloroquine we found a total of 90 projects registered&#46; Twenty-five of those projects included the use of prophylaxis in non-infected population &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0020" class="elsevierStylePara elsevierViewall">Institutions from 13 countries are leading those projects&#44; 13 of them from the United States&#44; 2 from Mexico&#44; 2 from Spain and 2 from France&#46; Turkey&#44; Colombia&#44; Austria&#44; South Korea&#44; Singapore&#44; United Kingdom&#44; Thailand&#44; Australia and Canada&#44; have institutions leading one project &#40;there are more institutions than projects&#44; because some have shared leadership&#41;&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">There is a significant variability in the number of participants among the studies&#46; The estimated number of participants to be enrolled ranges between 45 and 55&#44;000 with an average of 5588<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>13&#44;139&#46;2&#44; and a median of 1212 participants&#46; Only 3 &#40;12&#37;&#41; studies plan to enroll more than 4000 participants&#59; those 3 studies will include 70&#44;000 participants which corresponds to 50&#46;1&#37; of the total potential recruitment of the 25 protocols &#40;<a href="ctgov:NCT04334148">NCT04334148</a>&#44; <a href="ctgov:NCT04303507">NCT04303507</a> and <a href="ctgov:NCT04333732">NCT04333732</a>&#41;&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">There is a significant variability among protocols regarding hydroxychloroquine maintenance dose&#44; which will be between 200 and 600<span class="elsevierStyleHsp" style=""></span>mg&#46; The frequency is also highly variable&#58; seventeen protocols will use daily prophylaxis for a period from 4 days to 12 weeks and 9 protocols plan to evaluate weekly use for a period of 3 to 24 weeks&#46; Thirteen &#40;52&#37; of 25&#41; protocols will use an initial loading dose ranging between 400&#8211;1400<span class="elsevierStyleHsp" style=""></span>mg taken on the first day&#46; In three other protocols&#44; 2&#8211;4 days of loading doses of 400<span class="elsevierStyleHsp" style=""></span>mg&#47;day will be indicated&#46;</p><p id="par0035" class="elsevierStylePara elsevierViewall">19 clinical trials will evaluate pre-exposure prophylaxis and 6 post-exposure prophylaxis&#46; In 9 of the pre-exposure prophylaxis studies and 4 of the post-exposure prophylaxis studies&#44; a loading dose of 800<span class="elsevierStyleHsp" style=""></span>mg of hydroxychloroquine will be started on the first day&#46; In an additional multicenter pre-exposure prophylaxis study&#44; which plans to recruit 15&#44;000 participants &#40;<a href="ctgov:NCT04334148">NCT04334148</a>&#41;&#44; they will use a higher loading dose on the first day&#58; 1200<span class="elsevierStyleHsp" style=""></span>mg of hydroxychloroquine&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">We evaluated the exclusion criteria among protocols by grouping into several possible categories&#46; Most common criteria used by protocols to exclude patients comprised allergies to 4-aminoquinolines &#40;hydroxychloroquine&#44; chloroquine&#41; in 20 studies &#40;80&#37;&#41;&#59; retinopathy in 19 &#40;76&#37;&#41;&#59; history of a prolonged QT syndrome&#44; use of medications that prolong the QT&#47;QTc interval or risk factors for torsades de pointe in 17 &#40;68&#37;&#41;&#59; nephropathy in 16 &#40;64&#37;&#41;&#59; pregnancy or breastfeeding in 14 &#40;56&#37;&#41;&#59; concomitant use of other medications with potential pharmacological interaction with 4-aminoquinolines in 13 &#40;52&#37;&#41;&#59; liver disease in 13 &#40;52&#37;&#41;&#59; psoriasis or porphyria in 11 &#40;44&#37;&#41; and glucose-6-phosphate dehydrogenase deficiency in 9 protocols &#40;36&#37;&#41;&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">We used only clinicaltrials&#46;gov to search the trials&#44; which is a weakness of our study&#44; because several protocols may be lost &#40;those registered on <a href="https://www.clinicaltrialsregister.eu/">https&#58;&#47;&#47;www&#46;clinicaltrialsregister&#46;eu&#47;</a>&#44; <a href="http://www.chictr.org.cn/index.aspx">http&#58;&#47;&#47;www&#46;chictr&#46;org&#46;cn&#47;index&#46;aspx</a> or <a href="https://apps.who.int/trialsearch/">https&#58;&#47;&#47;apps&#46;who&#46;int&#47;trialsearch&#47;</a>&#41;&#46; However&#44; due to the rapidity of the events related to the COVID-19 pandemic&#44; we consider that the initial publication of the review including only those registered on clinicaltrials&#46;gov is warranted&#44; in order to give clinicians a preliminary picture&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">According to the World Health Organization&#44; as of April 15th&#44; 2020&#44; there are almost 2 million confirmed cases of SARS-CoV-2 virus in 213 countries and territories&#44; but this is a underestimation&#44; because as mentioned&#44; around 80&#37; of the infected people could be asymptomatic and go undetected&#46;<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">4</span></a> A high infection rate among health care workers would not only exacerbate the impending shortage of health care facilities and health personnel but would also increase the possibility of a more widespread dissemination&#46;<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">5</span></a> However&#44; the current scientific evidence is still not conclusive for institutions and governments to adopt a general recommendation regarding the prophylactic use of hydroxychloroquine chemoprophylaxis in healthcare workers&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Chloroquine and its derivatives &#40;e&#46;g&#46;&#44; hydroxychloroquine&#41; have been used for malaria and autoimmune rheumatic diseases for almost 80 years&#44; and both the data from the literature and the experience of clinicians show a low incidence of side effects&#44; which are generally mild to moderate&#46; Retinal toxicity&#44; a serious effect&#44; is related to long-term cumulative dose&#44; and is rarely seen in short-term use &#40;i&#46;e&#46; several weeks&#41;&#46;<a class="elsevierStyleCrossRefs" href="#bib0120"><span class="elsevierStyleSup">9&#44;15</span></a></p><p id="par0060" class="elsevierStylePara elsevierViewall">These arguments perhaps tip the balance in favor of using prophylaxis for SARS-CoV-2 virus infection&#44; as long as they are not contraindicated&#46; Nonetheless we are yet to know the results of these clinical trials&#46;</p></span>"
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                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hydroxychloroquine in the Prevention of COVID-19 Infection in Healthcare Workers&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0005" href="ctgov:NCT04333225">NCT04333225</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">400<span class="elsevierStyleHsp" style=""></span>mg twice a day &#40;two 200<span class="elsevierStyleHsp" style=""></span>mg tabs twice a day&#41; on day 1 followed by two 200<span class="elsevierStyleHsp" style=""></span>mg tablets once a week for a total of 7 weeks&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">360&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Baylor University Medical Center&#44; Dallas&#44; Texas&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Pre-Exposure Prophylaxis With Hydroxychloroquine for High-Risk Healthcare Workers During the COVID-19 Pandemic&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0010" href="ctgov:NCT04331834">NCT04331834</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">400<span class="elsevierStyleHsp" style=""></span>mg daily during the first 4 days&#44; followed by 400<span class="elsevierStyleHsp" style=""></span>mg weekly during 6 months&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">440&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">ISGlobal&#44; Barcelona&#44; Spain&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Military COVID-19 Hydroxychloroquine Pre-exposure and Post-exposure Prophylaxis Study&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0015" href="ctgov:NCT04343677">NCT04343677</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Daily dosing of hydroxychloroquine &#40;between 200 and 400<span class="elsevierStyleHsp" style=""></span>mg&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1450&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Pentagon Arlington&#44; Virginia&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hydroxychloroquine Post Exposure Prophylaxis for Coronavirus Disease &#40;COVID-19&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0020" href="ctgov:NCT04318444">NCT04318444</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">400<span class="elsevierStyleHsp" style=""></span>mg twice daily on day 1&#59; for days 2&#8211;5&#44; 200<span class="elsevierStyleHsp" style=""></span>mg twice daily&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1600&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Columbia University Irving Medical Center New York&#44; New York&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">The PATCH Trial &#40;Prevention And Treatment of COVID-19 With Hydroxychloroquine&#41; &#8211; Cohort 3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0025" href="ctgov:NCT04329923">NCT04329923</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">600<span class="elsevierStyleHsp" style=""></span>mg once a day for 2 months&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">400&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">University of Pennsylvania&#44; Philadelphia&#44; Pennsylvania&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hydroxychloroquine Chemoprophylaxis in Healthcare Personnel in Contact With COVID-19 Patients &#40;PHYDRA Trial&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0030" href="ctgov:NCT04318015">NCT04318015</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">200<span class="elsevierStyleHsp" style=""></span>mg per day for 60 days&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">400&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">National Institute of Respiratory Diseases&#44; Mexico City&#44; Mexico&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hydroxychloroquine as Post Exposure Prophylaxis for SARS-CoV-2&#40;HOPE Trial&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0035" href="ctgov:NCT04330144">NCT04330144</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">First day&#58; 800<span class="elsevierStyleHsp" style=""></span>mg&#46; Days 2&#8211;5&#58; 400<span class="elsevierStyleHsp" style=""></span>mg daily&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2486&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Gangnam Severance Hospital&#44; Seoul&#44; South Korea&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Healthcare Worker Exposure Response and Outcomes of Hydroxychloroquine&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0040" href="ctgov:NCT04334148">NCT04334148</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">600<span class="elsevierStyleHsp" style=""></span>mg bid loading dose on day 1 followed by 400<span class="elsevierStyleHsp" style=""></span>mg on days 2&#8211;30&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">15&#44;000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Duke University&#44; Durham&#44; North Caroline&#44; United States &#40;multicenter&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Chemoprophylaxis of SARS-CoV-2 Infection &#40;COVID-19&#41; in Exposed Healthcare Workers&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0045" href="ctgov:NCT04328285">NCT04328285</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">200<span class="elsevierStyleHsp" style=""></span>mg&#58; 2 tablets on the evening at Day 1 and 2 tablets on the morning at Day 2 and 1 tablet once daily afterwards for 2 months&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">600&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">CHU d&#8217;Angers&#44; Angers&#44; France&#46; AP-HP &#8211; H&#244;pital Bichat&#44; Paris&#44; France&#46; CHU de Saint-Etienne&#44; Saint-&#201;tienne&#44; France&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hydroxychloroquine for COVID-19 PEP&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0050" href="ctgov:NCT04328961">NCT04328961</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">400<span class="elsevierStyleHsp" style=""></span>mg orally daily for 3 days&#44; then 200<span class="elsevierStyleHsp" style=""></span>mg orally daily for an additional 11 days&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">NYU Langone Health&#44; New York&#44; New York&#44; United States&#46; University of Washington&#44; Coordinating Center&#44; Seattle&#44; Washington&#44; United States&#46; UW Virology Research Clinic Seattle&#44; Washington&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hydroxychloroquine as Chemoprevention for COVID-19 for High Risk Healthcare Workers&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0055" href="ctgov:NCT04345653">NCT04345653</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">400<span class="elsevierStyleHsp" style=""></span>mg &#40;2&#215; 200<span class="elsevierStyleHsp" style=""></span>mg tablets&#41; by mouth 6&#8211;12<span class="elsevierStyleHsp" style=""></span>h apart on day 1&#44; followed by 3 weeks of weekly 400<span class="elsevierStyleHsp" style=""></span>mg &#40;2&#215; 200<span class="elsevierStyleHsp" style=""></span>mg tablets&#41; by mouth&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">45&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hackensack Meridian Health - JFK Medical Center&#44; Edison&#44; New Jersey&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Chloroquine&#47;Hydroxychloroquine Prevention of Coronavirus Disease &#40;COVID-19&#41; in the Healthcare Setting&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0060" href="ctgov:NCT04303507">NCT04303507</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">A loading dose 12&#46;9<span class="elsevierStyleHsp" style=""></span>mg&#47;kg &#40;i&#46;e&#46; usually between 700 and 900<span class="elsevierStyleHsp" style=""></span>mg&#41;&#46; Then 200<span class="elsevierStyleHsp" style=""></span>mg daily for 3 months&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">40&#44;000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">University of Oxford&#44; Oxford&#44; England&#46; Mahidol Oxford Tropical Medicine Research Unit&#44; Bangkok&#44; Thailand&#46; &#40;multicenter&#41;&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">A Study of Hydroxychloroquine&#44; Vitamin C&#44; Vitamin D&#44; and Zinc for the Prevention of COVID-19 Infection&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0065" href="ctgov:NCT04335084">NCT04335084</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Medication doses are not indicated&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">600&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">ProgenaBiome&#44; Ventura&#44; California&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">14&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Will Hydroxychloroquine Impede or Prevent COVID-19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0070" href="ctgov:NCT04341441">NCT04341441</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Daily treatment arm&#58; day 1&#44; 400<span class="elsevierStyleHsp" style=""></span>mg once and then 200<span class="elsevierStyleHsp" style=""></span>mg daily for 8 weeks&#46; Once weekly arm&#58; 6&#46;5<span class="elsevierStyleHsp" style=""></span>mg&#47;kg per dose &#40;maximum of 400<span class="elsevierStyleHsp" style=""></span>mg per dose&#41; weekly fro 8 weeks&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Henry Ford Hospital&#44; Detroit&#44; Michigan&#44; United States&#46; Detroit Department of Transportation &#40;DDOT&#41; Detroit&#44; Michigan&#44; United States&#46; Detroit Fire Department &#38; Detroit EMS&#44; Detroit&#44; Michigan&#44; United States&#46; Detroit Police Department&#44; Detroit&#44; Michigan&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">15&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Low-dose Hydroxychloroquine and Bromhexine&#58; a Novel Regimen for COVID-19 Prophylaxis in Healthcare Professionals&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0075" href="ctgov:NCT04340349">NCT04340349</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hydroxychloroquine plus Bromhexine&#58; 200<span class="elsevierStyleHsp" style=""></span>mg of Hydroxychloroquine daily for 2 months and 8<span class="elsevierStyleHsp" style=""></span>mg of Bromhexine every 8<span class="elsevierStyleHsp" style=""></span>h for 2 months&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">100&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">National Institute of Rehabilitation&#44; Mexico City&#44; Mexico&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">16&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Safety And Efficacy Of Hydroxychloroquine As COVID-19 Prophylaxis For At-Risk Population &#40;SHARP&#41;&#58; A Cluster Randomized Controlled Trial&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0080" href="ctgov:NCT04342156">NCT04342156</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">800<span class="elsevierStyleHsp" style=""></span>mg as single dose on day 1 followed by 400<span class="elsevierStyleHsp" style=""></span>mg single dose on days 2&#8211;5&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Singapore&#58; Tan Tock Seng Hospital National Center for Infectious Diseases Singapore Clinical Research Institute Singapore Eye Research Institute&#46; Saw Swee Hock School of Public Health Duke-NUS Graduate Medical School&#46; Netherlands&#58; Ministry of Health&#44; Welfare and Sports&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">17&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Prophylactic Hydroxychloroquine vs Vitamin C in Healthcare Workers&#58;RCT&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0085" href="ctgov:NCT04347889">NCT04347889</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Oral loading dose of 800<span class="elsevierStyleHsp" style=""></span>mg followed by once weekly 400<span class="elsevierStyleHsp" style=""></span>mg for 3 months&#46; Active Comparator&#58; Vitamin C 1000<span class="elsevierStyleHsp" style=""></span>mg daily for three months&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1212&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Stony Brook University&#44; New York&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">18&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">CROWN CORONATION&#58; Chloroquine RepurpOsing to healthWorkers for Novel CORONAvirus mitigaTION&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0090" href="ctgov:NCT04333732">NCT04333732</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Induction dose&#58;1200<span class="elsevierStyleHsp" style=""></span>mg chloroquine or hydroxychloroquine in 4 divided daily doses&#44; followed by three treatment arms&#58; low-dose &#40;300<span class="elsevierStyleHsp" style=""></span>mg chloroquine or hydroxychloroquine base weekly&#41;&#59; medium-dose &#40;300<span class="elsevierStyleHsp" style=""></span>mg chloroquine or hydroxychloroquine base twice weekly&#41;&#59; and high-dose &#40;150<span class="elsevierStyleHsp" style=""></span>mg chloroquine or hydroxychloroquine base daily&#41; fo 3 months&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">55&#44;000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Washington University School of Medicine Saint Louis&#44; Missouri&#44; United States&#46; Melbourne Medical School Melbourne&#44; Victoria&#44; Australia&#46; Population Health Research Institute Hamilton&#44; Ontario&#44; Canada&#46; &#40;Multicenter&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Prevention of SARS-CoV-2 in Hospital Workers s Exposed to the Virus&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0095" href="ctgov:NCT04344379">NCT04344379</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">200<span class="elsevierStyleHsp" style=""></span>mg BID per day for 40 days&#59; active comparator&#58; azythromycin&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">900&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">H&#244;pital GHU Paris Saclay Boulogne-Billancourt&#44; France&#46; H&#244;pital Saint Antoine Paris&#44; France&#46; H&#244;pital Broca Paris&#44; France &#40;Multicenter&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">20&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Proflaxis Using Hydroxychloroquine Plus Vitamins-Zinc During COVID-19 Pandemia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0100" href="ctgov:NCT04326725">NCT04326725</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Participants have been started hydroxychloroquine 200<span class="elsevierStyleHsp" style=""></span>mg single dose repeated every three weeks plus vitaminC including zinc once a day&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">80&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Istinye University Medical School Istanbul&#44; Turkey&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">21&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Randomized Clinical Trial for the Prevention of SARS-CoV-2 Infection &#40;COVID-19&#41; in Healthcare Personnel&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0105" href="ctgov:NCT04334928">NCT04334928</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Arm 1&#58; Tenofovir Disoproxil Fumarate 245<span class="elsevierStyleHsp" style=""></span>mg&#47;Emtricitabine 200<span class="elsevierStyleHsp" style=""></span>mg<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>Placebo&#46; Arm 2&#58;Hydroxychloroquine 200<span class="elsevierStyleHsp" style=""></span>mg once a day<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>Placebo&#46; Arm 3&#58; Tenofovir Disoproxil Fumarate 245<span class="elsevierStyleHsp" style=""></span>mg&#47;Emtricitabine 200<span class="elsevierStyleHsp" style=""></span>mg<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>Hydroxychloroquine 200<span class="elsevierStyleHsp" style=""></span>mg &#40;once a day&#41;&#46; All the treatments for 12 weeks&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">4000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Hospital Universitario Ram&#243;n y Cajal&#44; Madrid&#44; Spain&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">22&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">HCQ for Primary Prophylaxis Against COVID19 in Health-care Workers&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0110" href="ctgov:NCT04336748">NCT04336748</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">200<span class="elsevierStyleHsp" style=""></span>mg once daily for 4 weeks&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">440&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Medical University of Vienna&#44; Vienna&#44; Austria&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">23&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Immune Monitoring of Prophylactic Effect of Hydroxychloroquine in Healthcare Providers Highly Exposed to COVID-19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0115" href="ctgov:NCT04346329">NCT04346329</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Loading dose of 800<span class="elsevierStyleHsp" style=""></span>mg the first day followed by 400<span class="elsevierStyleHsp" style=""></span>mg&#47;week for 90 days&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">86&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Facultad de Medicina &#8211; Universidad Nacional de Colombia&#44; Bogota&#44; Cundinamarca&#44; Colombia&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">24&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Pre-exposure Prophylaxis for SARS-Coronavirus-2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0120" href="ctgov:NCT04328467">NCT04328467</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Arm 1&#58; 400<span class="elsevierStyleHsp" style=""></span>mg orally once&#44; followed by 400<span class="elsevierStyleHsp" style=""></span>mg 6&#8211;8<span class="elsevierStyleHsp" style=""></span>h later&#44; thereafter 400<span class="elsevierStyleHsp" style=""></span>mg weekly for the duration of follow up&#44; up to 12 weeks&#46; Arm 2&#58; 400<span class="elsevierStyleHsp" style=""></span>mg orally once&#44; followed by 400<span class="elsevierStyleHsp" style=""></span>mg 6&#8211;8<span class="elsevierStyleHsp" style=""></span>h later&#44; thereafter 400<span class="elsevierStyleHsp" style=""></span>mg twice weekly for the duration of follow up&#44; up to 12 weeks&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3500&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">University of Minnesota&#44; Minneapolis&#44; Minnesota&#44; United States&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">25&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Post-exposure Prophylaxis&#47;Preemptive Therapy for SARS-Coronavirus-2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleInterRef" id="intr0125" href="ctgov:NCT04308668">NCT04308668</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">800<span class="elsevierStyleHsp" style=""></span>mg orally once&#44; followed in 6&#8211;8<span class="elsevierStyleHsp" style=""></span>h by 600<span class="elsevierStyleHsp" style=""></span>mg&#44; then 600<span class="elsevierStyleHsp" style=""></span>mg once a day for 4 consecutive days&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3000&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">University of Minnesota&#44; Minneapolis&#44; Minnesota&#44; United States&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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        "descripcion" => array:1 [
          "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Clinical studies about chemoprophylaxis for coronavirus disease &#40;COVID-19&#41; registered on ClinicalTrials&#46;gov &#40;April 15th&#44; 2020&#41;&#46;</p>"
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    "bibliografia" => array:2 [
      "titulo" => "References"
      "seccion" => array:1 [
        0 => array:2 [
          "identificador" => "bibs0015"
          "bibliografiaReferencia" => array:15 [
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              "etiqueta" => "1"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission&#58; a study of a family cluster"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:6 [
                            0 => "J&#46;F&#46; Chan"
                            1 => "S&#46; Yuan"
                            2 => "K&#46;H&#46; Kok"
                            3 => "K&#46;K&#46; To"
                            4 => "H&#46; Chu"
                            5 => "J&#46; Yang"
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                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/S0140-6736(20)30154-9"
                      "Revista" => array:6 [
                        "tituloSerie" => "Lancet"
                        "fecha" => "2020"
                        "volumen" => "395"
                        "paginaInicial" => "514"
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                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/31986261"
                            "web" => "Medline"
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            1 => array:3 [
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                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:6 [
                            0 => "X&#46; Pan"
                            1 => "D&#46; Chen"
                            2 => "Y&#46; Xia"
                            3 => "X&#46; Wu"
                            4 => "T&#46; Li"
                            5 => "X&#46; Ou"
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                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/S1473-3099(20)30114-6"
                      "Revista" => array:6 [
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                        "volumen" => "20"
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                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/32087116"
                            "web" => "Medline"
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                        ]
                      ]
                    ]
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              ]
            ]
            2 => array:3 [
              "identificador" => "bib0090"
              "etiqueta" => "3"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Covid-19&#58; four fifths of cases are asymptomatic&#44; China figures indicate"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:1 [
                            0 => "M&#46; Day"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1136/bmj.m1375"
                      "Revista" => array:5 [
                        "tituloSerie" => "BMJ"
                        "fecha" => "2020"
                        "volumen" => "369"
                        "paginaInicial" => "m1375"
                        "link" => array:1 [
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            ]
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              "identificador" => "bib0095"
              "etiqueta" => "4"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Association of public health interventions with the epidemiology of the COVID-19 outbreak in Wuhan&#44; China &#91;published online ahead of print&#44; 2020 Apr 10&#93;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
                          "autores" => array:6 [
                            0 => "A&#46; Pan"
                            1 => "L&#46; Liu"
                            2 => "C&#46; Wang"
                            3 => "H&#46; Guo"
                            4 => "X&#46; Hao"
                            5 => "Q&#46; Wang"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1001/jama.2020.6130"
                      "Revista" => array:3 [
                        "tituloSerie" => "JAMA"
                        "fecha" => "2020"
                        "paginaInicial" => "e206130"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            4 => array:3 [
              "identificador" => "bib0100"
              "etiqueta" => "5"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "A systematic review of the prophylactic role of chloroquine and hydroxychloroquine in Coronavirus Disease-19 &#40;COVID-19&#41; &#91;published online ahead of print&#44; 2020 Apr 13&#93;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:5 [
                            0 => "S&#46; Shah"
                            1 => "S&#46; Das"
                            2 => "A&#46; Jain"
                            3 => "D&#46;P&#46; Misra"
                            4 => "V&#46;S&#46; Negi"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1111/1756-185X.13842"
                      "Revista" => array:3 [
                        "tituloSerie" => "Int J Rheum Dis"
                        "fecha" => "2020"
                        "paginaInicial" => "10"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            5 => array:3 [
              "identificador" => "bib0105"
              "etiqueta" => "6"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Off-label prescribing in the midst of a pandemic&#58; the case of hydroxychloroquine &#91;published online ahead of print&#44; 2020 Apr 8&#93;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "J&#46;S&#46; Bell"
                            1 => "J&#46;A&#46; Bell"
                            2 => "D&#46;J&#46; Creek"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.31128/AJGP-COVID-06"
                      "Revista" => array:4 [
                        "tituloSerie" => "Aust J Gen Pract"
                        "fecha" => "2020"
                        "volumen" => "49"
                        "paginaInicial" => "10"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            6 => array:3 [
              "identificador" => "bib0110"
              "etiqueta" => "7"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Emerging prophylaxis strategies against COVID-19"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "S&#46; Agrawal"
                            1 => "A&#46;D&#46; Goel"
                            2 => "N&#46; Gupta"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.4081/monaldi.2020.1289"
                      "Revista" => array:4 [
                        "tituloSerie" => "Monaldi Arch Chest Dis"
                        "fecha" => "2020"
                        "volumen" => "90"
                        "paginaInicial" => "10"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            7 => array:3 [
              "identificador" => "bib0115"
              "etiqueta" => "8"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "To consider or not antimalarials as a prophylactic intervention in the SARS-CoV-2 &#40;Covid-19&#41; pandemic &#91;published online ahead of print&#44; 2020 Apr 2&#93;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
                            0 => "F&#46;R&#46; Spinelli"
                            1 => "F&#46; Ceccarelli"
                            2 => "M&#46; Di Franco"
                            3 => "F&#46; Conti"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1136/annrheumdis-2020-217367"
                      "Revista" => array:2 [
                        "tituloSerie" => "Ann Rheum Dis"
                        "fecha" => "2020"
                      ]
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                  ]
                ]
              ]
            ]
            8 => array:3 [
              "identificador" => "bib0120"
              "etiqueta" => "9"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "New insights on the antiviral effects of chloroquine against coronavirus&#58; what to expect for COVID-19&#63; &#91;published online ahead of print&#44; 2020 Mar 12&#93;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
                            0 => "C&#46;A&#46; Devaux"
                            1 => "J&#46;M&#46; Rolain"
                            2 => "P&#46; Colson"
                            3 => "D&#46; Raoult"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/j.ijantimicag.2020.105938"
                      "Revista" => array:3 [
                        "tituloSerie" => "Int J Antimicrob Agents"
                        "fecha" => "2020"
                        "paginaInicial" => "105938"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            9 => array:3 [
              "identificador" => "bib0125"
              "etiqueta" => "10"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Chloroquine and hydroxychloroquine as available weapons to fight COVID-19"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:5 [
                            0 => "P&#46; Colson"
                            1 => "J&#46;M&#46; Rolain"
                            2 => "J&#46;C&#46; Lagier"
                            3 => "P&#46; Brouqui"
                            4 => "D&#46; Raoult"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/j.ijantimicag.2020.105932"
                      "Revista" => array:4 [
                        "tituloSerie" => "Int J Antimicrob Agents"
                        "fecha" => "2020"
                        "volumen" => "4"
                        "paginaInicial" => "105932"
                      ]
                    ]
                  ]
                ]
              ]
            ]
            10 => array:3 [
              "identificador" => "bib0130"
              "etiqueta" => "11"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Remdesivir and chloroquine effectively inhibit the recently emerged novel coronavirus &#40;2019-nCoV&#41; in vitro"
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Article information

ISSN: 03002896
Original language: English

DOI:10.1016/j.arbres.2020.05.008

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Year/Month	Html	Pdf	Total

2024 November	18	8	26
2024 October	701	24	725
2024 September	160	18	178
2024 August	211	46	257
2024 July	169	26	195
2024 June	205	35	240
2024 May	8097	35	8132
2024 April	124	22	146
2024 March	125	23	148
2024 February	139	46	185
2024 January	141	43	184
2023 December	155	41	196
2023 November	170	65	235
2023 October	185	43	228
2023 September	208	42	250
2023 August	191	39	230
2023 July	180	34	214
2023 June	139	21	160
2023 May	152	22	174
2023 April	149	35	184
2023 March	251	23	274
2023 February	171	20	191
2023 January	182	34	216
2022 December	202	42	244
2022 November	207	26	233
2022 October	241	69	310
2022 September	213	37	250
2022 August	180	53	233
2022 July	251	58	309
2022 June	198	53	251
2022 May	229	51	280
2022 April	272	56	328
2022 March	263	55	318
2022 February	284	43	327
2022 January	393	40	433
2021 December	334	23	357
2021 November	284	35	319
2021 October	315	37	352
2021 September	506	30	536
2021 August	555	31	586
2021 July	307	23	330
2021 June	323	33	356
2021 May	477	36	513
2021 April	1688	62	1750
2021 March	753	31	784
2021 February	626	25	651
2021 January	550	63	613
2020 December	861	58	919
2020 November	1572	84	1656
2020 October	1912	140	2052
2020 September	4067	195	4262
2020 August	6905	201	7106
2020 July	3817	128	3945
2020 June	156	33	189

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