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ClinicalTrials.gov public records Last synced Sep 30, 2026, 11:34 PM EDT

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Showing 49–59 of 59 matching trials from the live ClinicalTrials.gov search.
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Hydroxychloroquine as Post-Exposure Prophylaxis Against COVID-19 Infection

NCT04372017
Conditions
COVID-19, SARS-CoV 2
Interventions
Hydroxychloroquine, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Sanford Health
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Conditions
COVID-19, Coronavirus Infection, Sars-CoV2, Corona Virus Infection, COVID, Coronavirus, Coronavirus-19, Coronavirus 19
Interventions
Hydroxychloroquine, Vitamin C, Vitamin D, Zinc
Drug · Dietary Supplement
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
254 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ventura, California
Conditions
Coronavirus Infection
Interventions
Hydroxychloroquine SAR321068, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 2 Interventional Results available

University of Utah COVID-19 Hydrochloroquine Trial

NCT04342169
Conditions
Coronavirus Infection, Coronavirus, Infectious Disease
Interventions
Hydroxychloroquine, Placebo oral tablet
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
SARS-CoV Infection, Covid19
Interventions
Nitazoxanide, Placebo Nitazoxanide, Ribavirin, Placebo Ribavirin, Hydroxychloroquine, Placebo Hydroxychloroquine
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
SARS-CoV-2, COVID-19
Interventions
Hydroxychloroquine Sulfate + Azithromycin, Hydroxychloroquine Sulfate
Combination Product · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
5
States / cities
Livingston, New Jersey • New Brunswick, New Jersey • Newark, New Jersey
Conditions
COVID-19
Interventions
Hydroxychloroquine, Placebo
Drug
Lead sponsor
WellStar Health System
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Marietta, Georgia
Conditions
Rheumatoid Arthritis
Interventions
Filgotinib, Placebo to match filgotinib, csDMARDs
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
449 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
55
States / cities
Huntsville, Alabama • Gilbert, Arizona • Covina, California + 52 more
Conditions
Kidney Failure, Chronic, Cardiovascular Disease, Arteriosclerosis
Interventions
Hydroxychloroquine, Matching Placebo
Drug · Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Little Rock, Arkansas • Gainesville, Florida
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Strategy to Prevent the Onset of Clinically-Apparent Rheumatoid Arthritis

NCT02603146
Conditions
Healthy Participants, Rheumatoid Arthritis (RA) Prevention
Interventions
Hydroxychloroquine, HCQ Placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
14
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 10 more
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

The PATCH Trial (Prevention And Treatment of COVID-19 With Hydroxychloroquine)

NCT04329923
Conditions
COVID-19
Interventions
Hydroxychloroquine Sulfate 400 mg twice a day, Hydroxychloroquine Sulfate 600 mg twice a day, Hydroxychloroquine Sulfate 600 mg once a day, Placebo oral tablet
Drug
Lead sponsor
Ravi Amaravadi, MD
Other
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania