Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “COVID-19, Hydroxychloroquine Sulfate”

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 0 results

Large-scale testing (Phase 3)UnknownNCT04405921
What this trial is testing

Hydroxychloroquine, Azithromycin in the Treatment of Covid-19

Who this might be right for
SARS-CoV-2 PneumoniaCOVID-19
Centre Hôpital Universitaire Farhat Hached 200
Large-scale testing (Phase 3)Study completedNCT04318015
What this trial is testing

Hydroxychloroquine Chemoprophylaxis in Healthcare Personnel in Contact With COVID-19 Patients (PHYDRA Trial)

Who this might be right for
COVID-19Severe Acute Respiratory Syndrome
National Institute of Respiratory Diseases, Mexico 289
Large-scale testing (Phase 3)Study completedNCT04321278
What this trial is testing

Safety and Efficacy of Hydroxychloroquine Associated With Azithromycin in SARS-CoV2 Virus (Coalition Covid-19 Brasil II)

Who this might be right for
Coronavirus InfectionsPneumonia, Viral
Hospital Israelita Albert Einstein 440
Large-scale testing (Phase 3)Ended earlyNCT04328285
What this trial is testing

Chemoprophylaxis of SARS-CoV-2 Infection (COVID-19) in Exposed Healthcare Workers

Who this might be right for
COVID-19
Centre Hospitalier Universitaire de Saint Etienne 118
Testing effectiveness (Phase 2)WithdrawnNCT04363866
What this trial is testing

Assessing Hydroxychloroquine in Patients With SARS-CoV-2 (COVID-19)

Who this might be right for
COVID-19SARS-CoV-2
Oregon Health and Science University
Post-approval studies (Phase 4)Ended earlyNCT04351191
What this trial is testing

PRophylaxis of Exposed COVID-19 Individuals With Mild Symptoms Using choloroquinE Compounds

Who this might be right for
Sars-CoV2Symptomatic ConditionCovid-19
Government of Punjab, Specialized Healthcare and Medical Education Department 137
Testing effectiveness (Phase 2)Study completedNCT04342169
What this trial is testing

University of Utah COVID-19 Hydrochloroquine Trial

Who this might be right for
Coronavirus InfectionCoronavirusInfectious Disease
University of Utah 368
Large-scale testing (Phase 3)Study completedNCT04414241
What this trial is testing

Hydroxychloroquine to Prevent SARS-CoV-2 Infection/COVID-19

Who this might be right for
SARS-CoV-2
Universidad Peruana Cayetano Heredia 68
Large-scale testing (Phase 3)WithdrawnNCT04364815
What this trial is testing

The University of the Philippines Hydroxychloroquine PEP Against COVID-19 Trial

Who this might be right for
COVID-19
University of the Philippines
Testing effectiveness (Phase 2)WithdrawnNCT04379492
What this trial is testing

Hydroxycholoroquine Compared to Placebo as Treatment for People With COVID-19

Who this might be right for
COVID-19COVID19Sars-CoV2+1 more
Memorial Sloan Kettering Cancer Center
Testing effectiveness (Phase 2)Ended earlyNCT04340544
What this trial is testing

Hydroxychloroquine for the Treatment of Mild COVID-19 Disease

Who this might be right for
COVID-19
University Hospital Tuebingen 17
Testing effectiveness (Phase 2)UnknownNCT04502342
What this trial is testing

Add on to Azythromycine, Phytomedicine and/or Antimalarial Drug vs Hydroxychloroquine in Uncomplicated COVID-19 Patients

Who this might be right for
Covid19
Institute for Research and Development of Medicinal and Food Plants of Guinea 30
Testing effectiveness (Phase 2)UnknownNCT04359537
What this trial is testing

Efficacy of Various Doses of Hydroxychloroquine in Pre-Exposure Prophylaxis for COVID 19

Who this might be right for
COVID 19
Shaheed Zulfiqar Ali Bhutto Medical University 200
Very early researchTemporarily pausedNCT04348474
What this trial is testing

Efficacy and Safety of Hydroxychloroquine and Azithromycin for the Treatment of Ambulatory Patients With Mild COVID-19

Who this might be right for
Covid-19
Azidus Brasil 200
Large-scale testing (Phase 3)Study completedNCT04315896
What this trial is testing

Hydroxychloroquine Treatment for Severe COVID-19 Pulmonary Infection (HYDRA Trial)

Who this might be right for
COVID-19Severe Acute Respiratory Syndrome
National Institute of Respiratory Diseases, Mexico 320
Testing effectiveness (Phase 2)UnknownNCT04395768
What this trial is testing

International ALLIANCE Study of Therapies to Prevent Progression of COVID-19

Who this might be right for
COVID19
National Institute of Integrative Medicine, Australia 200
Large-scale testing (Phase 3)WithdrawnNCT04371523
What this trial is testing

Hydroxychloroquine to Prevent COVID-19 Disease Amongst Healthcare Workers

Who this might be right for
Corona Virus Infection
St. Joseph's Healthcare Hamilton
Large-scale testing (Phase 3)WithdrawnNCT04342156
What this trial is testing

Safety And Efficacy Of Hydroxychloroquine For At Risk Population (SHARP) Against COVID-19

Who this might be right for
Coronavirus InfectionHydroxychloroquine Adverse Reaction
Tan Tock Seng Hospital
Large-scale testing (Phase 3)WithdrawnNCT04360759
What this trial is testing

Chloroquine Outpatient Treatment Evaluation for HIV-Covid-19

Who this might be right for
Covid-19HIV
University of Cape Town
Large-scale testing (Phase 3)Study completedNCT04328961
What this trial is testing

Hydroxychloroquine for COVID-19 Post-exposure Prophylaxis (PEP)

Who this might be right for
COVID-19Corona Virus InfectionSARS (Severe Acute Respiratory Syndrome)+1 more
University of Washington 943
Next Page