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Hydroxychloroquine - Weekly DosingWiki

Developed by Shray Alag
Clinical Trial MeSH HPO Drug Gene SNP Protein Mutation


Correlated Drug Terms (13)


Name (Synonyms) Correlation
drug1784 Peginterferon Lambda-1a Wiki 0.71
drug1512 Monitoring Visit - Baseline Wiki 0.71
drug1514 Monitoring Visit - Week 8 Wiki 0.71
drug1116 Hydroxychloroquine Sulfate Tablets plus Lopinavir/ Ritonavir Oral Tablets Wiki 0.71
drug1095 Hydroxychloroquine - Daily Dosing Wiki 0.71
drug1096 Hydroxychloroquine - Daily dosing Wiki 0.71
drug1440 Matched Placebo Hydroxychloroquine Wiki 0.71
drug1513 Monitoring Visit - Week 4 Wiki 0.71
drug2690 Weekly Assessment Wiki 0.71
drug1367 Lopinavir/ Ritonavir Oral Tablet Wiki 0.71
drug1115 Hydroxychloroquine Sulfate Tablets Wiki 0.50
drug1853 Placebo oral tablet Wiki 0.13
drug1822 Placebo Wiki 0.08

Correlated MeSH Terms (6)


Name (Synonyms) Correlation
D012141 Respiratory Tract Infections NIH 0.15
D014777 Virus Diseases NIH 0.09
D045169 Severe Acute Respiratory Syndrome NIH 0.07
D003141 Communicable Diseases NIH 0.06
D018352 Coronavirus Infections NIH 0.06
D007239 Infection NIH 0.04

Correlated HPO Terms (1)


Name (Synonyms) Correlation
HP:0011947 Respiratory tract infection HPO 0.15

There are 2 clinical trials

Clinical Trials


1 Will Hydroxychloroquine Impede or Prevent COVID-19: WHIP COVID-19 Study

This is a prospective, multi-site study designed to evaluate whether the use of hydroxychloroquine in healthcare workers (HCW), Nursing Home Workers (NHW), first responders (FR), and Detroit Department of Transportation bus drivers (DDOT) in SE, Michigan, can prevent the acquisition, symptoms and clinical COVID-19 infection The primary objective of this study is to determine whether the use of daily or weekly oral hydroxychloroquine (HCQ) therapy will prevent SARS-CoV-2 infection and COVID-19 viremia and clinical COVID-19 infection healthcare workers (HCW) and first responders (FR) (EMS, Fire, Police, bus drivers) in Southeast Michigan. Preventing COVID-19 transmission to HCW, FR, and Detroit Department of Transportation (DDOT) bus drivers is a critical step in preserving the health care and first responder force, the prevention of COVID-19 transmission in health care facilities, with the potential to preserve thousands of lives in addition to sustaining health care systems and civil services both nationally and globally. If efficacious, further studies on the use of hydroxychloroquine to prevent COVID-19 in the general population could be undertaken, with a potential impact on hundreds of thousands of lives.

NCT04341441 COVID-19 Coronavirus Coronavirus Infections SARS-CoV 2 Drug: Hydroxychloroquine - Daily Dosing Drug: Hydroxychloroquine - Weekly Dosing Other: Placebo oral tablet Diagnostic Test: Monitoring Visit - Baseline Diagnostic Test: Monitoring Visit - Week 4 Diagnostic Test: Monitoring Visit - Week 8 Other: Weekly Assessment
MeSH:Coronavirus Infections Severe Acute Respiratory Syndrome

Primary Outcomes

Description: We will measure the difference in new cases of COVID-19 disease between randomized treatment arms. Plan statistical analyses will include the assumption that up 10% of HCW at risk will become infected if no prophylactic treatment is provided. Therefore we expect that HCQ treatment arm will provide a reduction in the number of SARS-CoV 2 infections by 30%, with an expected study retention rate of 90%, a sample size of ~1500 participants per group, will have an 80% power to detect the difference at p=0.05.

Measure: To determine if the use of hydroxychloroquine as preventive therapy decreases the rate of acquisition of SARS-CoV 2 infections and clinical COVID-19 disease in Study Participants for each randomized treatment arm as compared to placebo.

Time: 8 Weeks

Secondary Outcomes

Description: Compare the rates of SARS-CoV 2 infections between the randomized treatment arms and the control arms to determine the effect of HCQ dose in the prevention of COVID-19 viremia and disease as determined by study visits, weekly questionnaires, and blood samples.

Measure: Determine the effect of hydroxychloroquine dose in the prevention of COVID-19 viremia and disease.

Time: 8 Weeks

Description: Comparison of the rates of SARS-CoV 2 infections in the non-randomized comparator arm to the randomized groups to assess the impact of chronic weight-based dosing of HCQ for COVID-19 prevention via weekly questionnaire and/or blood samples.

Measure: Assess the impact of chronic weight-based dosing of HCQ for COVID-19 prevention.

Time: 8 Weeks

Description: Measurement of the rate of SARS-CoV 2 infections as measured by IgM/IgG seroconversion in study participants receiving randomized HCQ versus placebo via blood samples.

Measure: Comparison of the rate of SARS-CoV 2 infections as measured by IgM/IgG seroconversion in study participants receiving randomized HCQ versus placebo.

Time: 8 Weeks

Description: Measurement of the seroprevalence of SARS-CoV 2 IgM/IgG positive samples at study entry and study conclusion in all participants receiving HCQ compared to those receiving placebo via blood samples.

Measure: Compare the seroprevalence of SARS-CoV 2 IgM/IgG positive samples at study entry and study conclusion in all participants receiving HCQ compared to those receiving placebo.

Time: 8 Weeks

Description: Measurement of the emergence of clinical symptoms or COVID-19 diagnosis in participants presenting asymptomatically at study entry but identified as seropositive by serology at entry between the randomized treatment arms and comparator arm and via weekly questionnaire and/or blood samples.

Measure: Comparison of the emergence of clinical symptoms or COVID-19 diagnosis in participants presenting asymptomatically at study entry but identified as seropositive by serology at entry between the randomized treatment arms and comparator arm.

Time: 8 Weeks

Description: Review of the level of care needed by participants in each arm developing COVID19 as measured as requiring emergency room visit, hospitalization or able to stay home without hospital care via weekly questionnaire.

Measure: To examine the level of care needed by participants in each arm developing COVID19 as measured as requiring emergency room visit, hospitalization or able to stay home without hospital care.

Time: 8 Weeks

Description: Measurement of the safety and tolerability of HCQ dosing for preventive strategy against COVID-19 as measured by adverse events and serious adverse events reported via weekly questionnaire.

Measure: Determine the safety and tolerability of HCQ dosing for preventive strategy against COVID-19 as measured by adverse events and serious adverse events.

Time: 8 Weeks

Description: Examination of other clinical determinants contributing to the risk of SARS-CoV 2 infection including demographics, work type and location, positive COVID-19 partners, possible exposures and clinical symptoms via study visits and weekly questionnaire.

Measure: To examine other clinical determinants contributing to the risk of SARS-CoV 2 infection in healthcare workers and first responders.

Time: 8 Weeks

Description: Examine the association between HCQ drug levels and development of COVID-19 symptoms or positive test results via weekly questionnaire and/or blood samples.

Measure: Examine the association between HCQ drug levels and development of COVID-19 symptoms or positive test results.

Time: 8 Weeks

Description: Identification of immunologic, serological and inflammatory markers associated with acquisition and response to COVID-19 in both HCQ and placebo Participants developing laboratory or clinical confirmed disease via study visits, weekly questionnaire, and blood samples.

Measure: identify immunologic, serological and inflammatory markers associated with acquisition and response to COVID-19 in both HCQ and placebo Participants developing laboratory or clinical confirmed disease.

Time: 8 weeks

2 ChemoPROphyLaxIs For covId-19 Infectious Disease (the PROLIFIC Trial)

The number of confirmed cases of COVID-19 infectious disease arising from the SARS-CoV-2 coronavirus is rising substantially and rapidly, with the potential to overwhelm the ability of the entire National Health Service (NHS) to cope with the increased demand. The availability of personal protective equipment is limited and reports of high risk procedures such as aerosol generating procedures (e.g. intubation for the sickest patients) is a source of great concern for infection transmission. Frontline NHS staff with direct patient contact have the highest likelihood of exposure to SARS-CoV-2 and development of COVID-19 disease. Efforts to protect these workers from development of COVID-19, using drugs to prevent the disease, require urgent evaluation.

NCT04352933 COVID-19 Drug: Hydroxychloroquine - Daily dosing Drug: Hydroxychloroquine - Weekly Dosing Other: Matched Placebo Hydroxychloroquine

Primary Outcomes

Description: Time taken for incidence of COVID-19 disease between Hydroxychloroquine and placebo arms

Measure: Time to positive COVID-19 disease

Time: Assessed up to 90 days

Secondary Outcomes

Description: Number of COVID-19 symptoms based on clinical guidelines and test positive infections per study arm

Measure: Number of COVID-19 test positive cases

Time: Assessed up to 90 days

Description: Number of test positive COVID-19 serological test positive cases per study arm

Measure: Number of COVID-19 serological test positive cases

Time: Assessed up to 90 days

Description: Severity based on hospitalisation

Measure: Severity of COVID-19 disease between each arm

Time: Assessed up to 90 days

Description: Number of common COVID-19 complications between arms

Measure: Number of common COVID-19 complications between each arm

Time: Assessed up to 90 days


No related HPO nodes (Using clinical trials)