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Showing 1–24 of 194 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Hydroxychloroquine Sulfate Clear all
Completed Phase 2 Interventional Results available

Hydroxychloroquine to Increase Tumor Suppressor PAR-4 Levels in Oligometastatic Prostate Cancer

NCT04011410
View directory record Official record
Conditions
Prostate Cancer Recurrent
Interventions
Hydroxychloroquine Sulfate 200Mg Tab
Drug
Lead sponsor
Patrick Hensley
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 2Phase 3 Interventional

The Fleming [FMTVDM] Directed CoVid-19 Treatment Protocol

NCT04349410
View directory record Official record
Conditions
CoVid 19 Positive
Interventions
Hydroxychloroquine, Azithromycin, Hydroxychloroquine, Doxycycline, Hydroxychloroquine, Clindamycin, Hydroxychloroquine, Clindamycin, Primaquine - low dose., Hydroxychloroquine, Clindamycin, Primaquine - high dose., Remdesivir, Tocilizumab, Methylprednisolone, Interferon-Alpha2B, Losartan, Convalescent Serum
Drug
Lead sponsor
The Camelot Foundation
Other
Eligibility
Not listed
Enrollment
1,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2020 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 2 Interventional Results available

Trial of Ulixertinib in Combination With Hydroxychloroquine in Patients With Advanced Gastrointestinal (GI) Malignancies

NCT05221320
View directory record Official record
Conditions
Tumor, Solid, Gastrointestinal Cancer
Interventions
Ulixertinib, Hydroxychloroquine
Drug
Lead sponsor
BioMed Valley Discoveries, Inc
Industry
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
9
States / cities
Tucson, Arizona • San Francisco, California • Fairway, Kansas + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Hydroxychloroquine as Post-Exposure Prophylaxis Against COVID-19 Infection

NCT04372017
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 2 Interventional

A Study of Quintuple Therapy to Treat COVID-19 Infection

NCT04334512
View directory record Official record
Conditions
COVID-19, Corona Virus Infection, Coronavirus-19, Sars-CoV2
Interventions
Hydroxychloroquine, Azithromycin, Vitamin C, Vitamin D, Zinc
Drug · Dietary Supplement
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 1 Interventional Results available

Hydroxychloroquine With or Without Erlotinib in Advanced Non-small Cell Lung Cancer (NSCLC)

NCT01026844
View directory record Official record
Conditions
Non-small Cell Lung Cancer
Interventions
erlotinib, hydroxychloroquine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 29, 2017 · Synced Sep 17, 2026, 6:24 PM EDT
Withdrawn Phase 2 Interventional

Hydroxychloroquine (HCQ) for Recurrent Pregnancy Loss

NCT02379650
View directory record Official record
Conditions
Recurrent Pregnancy Loss, Miscarriage
Interventions
Hydroxychloroquine (HCQ), Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 11, 2016 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 3 Interventional Results available

To Evaluate Sarilumab - SAR153191 (REGN88) - Auto-injector Device In Patients With Rheumatoid Arthritis

NCT02057250
View directory record Official record
Conditions
RA
Interventions
Sarilumab, Auto-Injector Device (AID), Pre-filled Syringe (PFS), Methotrexate, Sulfasalazine, Leflunomide, Hydroxychloroquine
Drug · Device
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
31
States / cities
Huntsville, Alabama • Peoria, Arizona • Roseville, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2017 · Synced Sep 17, 2026, 6:24 PM EDT
Active, not recruiting Early Phase 1 Interventional

Zr89 + PET Companion Trial

NCT05279027
View directory record Official record
Conditions
Melanoma (Skin)
Interventions
Zirconium Zr 89 Crefmirlimab Berdoxa
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 2 Interventional Results available

COVID-19 PrEP HCW HCQ Study

NCT04354870
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine (HCQ)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Hydroxychloroquine, Palbociclib, and Letrozole Before Surgery in Treating Patients With Estrogen Receptor Positive, HER2 Negative Breast Cancer

NCT03774472
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage IB Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Prognostic Stage I Breast Cancer AJCC v8, Prognostic Stage IA Breast Cancer AJCC v8, Prognostic Stage IB Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Hydroxychloroquine, Letrozole, Palbociclib
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 16, 2025 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 1 Interventional

Study of Hydroxychloroquine Before Surgery in Patients With Primary Renal Cell Carcinoma

NCT01144169
View directory record Official record
Conditions
Renal Cell Carcinoma
Interventions
Hydroxychloroquine (HC)
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
19 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 2 Interventional Results available

Hydroxychloroquine in Untreated B-CLL Patients

NCT00771056
View directory record Official record
Conditions
B-Cell Chronic Lymphocytic Leukemia
Interventions
Hydroxychloroquine
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Aug 21, 2016 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 2 Interventional Results available

Randomized MMF Withdrawal in Systemic Lupus Erythematosus (SLE)

NCT01946880
View directory record Official record
Conditions
Systemic Lupus Erythematosus, SLE
Interventions
Mycophenolate Mofetil, Hydroxychloroquine or Chloroquine, Prednisone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
19
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2020 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

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

NCT04328961
View directory record Official record
Conditions
COVID-19, Corona Virus Infection, SARS (Severe Acute Respiratory Syndrome), SARS-CoV-2
Interventions
Hydroxychloroquine Sulfate, Ascorbic Acid
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
943 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
8
States / cities
Los Angeles, California • New Orleans, Louisiana • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 3 Interventional

Hydroxychloroquine in Treating Patients With Newly Diagnosed Chronic Graft-Versus-Host Disease

NCT00031824
View directory record Official record
Conditions
Graft Versus Host Disease
Interventions
cyclosporine, hydroxychloroquine, prednisone, tacrolimus
Drug
Lead sponsor
Children's Oncology Group
Network
Eligibility
1 Year to 29 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
89
States / cities
Tucson, Arizona • Little Rock, Arkansas • Downey, California + 67 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2014 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Hydroxychloroquine for the Treatment of Hidradenitis Suppurativa

NCT03275870
View directory record Official record
Conditions
Hidradenitis Suppurativa, Hidradenitis, Acne Inversa, Boils, Follicular Occlusion Triad, Follicular Occlusion Tetrad
Interventions
Hydroxychloroquine
Drug
Lead sponsor
Elena Gonzalez Brant, MD
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Will Hydroxychloroquine Impede or Prevent COVID-19

NCT04341441
View directory record Official record
Conditions
COVID-19, Coronavirus, Coronavirus Infections, SARS-CoV 2
Interventions
Hydroxychloroquine - Daily Dosing, Hydroxychloroquine - Weekly Dosing, Placebo oral tablet, Monitoring Visit - Baseline, Monitoring Visit - Week 4, Monitoring Visit - Week 8, Weekly Assessment
Drug · Other · Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 75 Years
Enrollment
624 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 20, 2022 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 2 Interventional Results available

Paricalcitol and Hydroxychloroquine in Combination With Gemcitabine and Nab-Paclitaxel for Advanced Pancreatic Cancer

NCT04524702
View directory record Official record
Conditions
Advanced Pancreatic Adenocarcinoma, Metastatic Pancreatic Adenocarcinoma, Stage IV Pancreatic Cancer AJCC v8
Interventions
Gemcitabine, Hydroxychloroquine, Nab-paclitaxel, Paricalcitol
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 17, 2026, 6:24 PM EDT
Withdrawn Phase 3 Interventional

Azithromycin Plus Hydroxychloroquine for COVID-19 Infection

NCT05026801
View directory record Official record
Conditions
Respiratory Tract Infection Viral
Interventions
Azithromycin plus hydroxychloroquine
Drug
Lead sponsor
Iterum Therapeutics, International Limited
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Waterbury, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 1 Interventional

TACE Plus Axitinib and Hydroxychlorquine for Liver-Dominant Metastatic Colorectal Cancer (CRC)

NCT04873895
View directory record Official record
Conditions
Colorectal Neoplasms Malignant
Interventions
Axitinib 5 MG, Hydroxychloroquine Pill, trans arterial chemoembolization
Drug · Procedure
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Sep 17, 2026, 6:24 PM EDT
Terminated Phase 3 Interventional

A Randomized Controlled Clinical Trial: Hydroxychloroquine for the Treatment of COVID-19 in Hospitalized Patients

NCT04345692
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
Queen's Medical Center
Other
Eligibility
18 Years to 95 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 2 Interventional Results available

Hydroxychloroquine in Previously Treated Patients With Metastatic Pancreatic Cancer

NCT01273805
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Hydroxychloroquine
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 17, 2026, 6:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Rediscovering Hydroxychloroquine as a Novel Insulin Sensitizer

NCT02124681
View directory record Official record
Conditions
Insulin Resistance
Interventions
Hydroxychloroquine, Placebo
Drug · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years to 69 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Sep 17, 2026, 6:24 PM EDT