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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: chloroquine phosphate Clear all
Completed Phase 2 Interventional Results available

Chloroquine for Reducing Immune Activation in HIV- Infected Individuals

NCT00819390
View directory record Official record
Conditions
HIV Infections
Interventions
Chloroquine, Placebo
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
15
States / cities
Birmingham, Alabama • San Diego, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2014 · Synced Sep 27, 2026, 2:50 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Investigating the Anti-Human Immunodeficiency Virus (HIV) & Anti-inflammatory Effect of Chloroquine

NCT00308620
View directory record Official record
Conditions
HIV Infections
Interventions
chloroquine phosphate, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 2 Interventional Results available

Study of Anti-Malarials in Incomplete Lupus Erythematosus

NCT03030118
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Hydroxychloroquine, Placebo Oral Capsule
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
15 Years to 49 Years
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
7
States / cities
Los Angeles, California • Aurora, Colorado • Great Neck, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 1 Interventional

High-dose Hydroxychloroquine for the Treatment of Ambulatory Patients With Mild COVID-19

NCT04351620
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 1Phase 2 Interventional

Autophagy Inhibition to Augment Mammilian Target of Rapamycin (mTOR) Inhibition: A Phase I/II Trial of RAD001 and Hydroxychloroquine (HCQ) in Patients With Previously Treated Renal Cell Carcinoma

NCT01510119
View directory record Official record
Conditions
Metastatic Clear Cell Renal Cell Carcinoma
Interventions
Hydroxychloroquine, RAD001
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
3
States / cities
New Brunswick, New Jersey • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 23, 2020 · Synced Sep 27, 2026, 2:50 AM EDT
Terminated Phase 1 Interventional

Partial Brain RT, Temozolomide, Chloroquine, and TTF Therapy for the Treatment of Newly Diagnosed Glioblastoma

NCT04397679
View directory record Official record
Conditions
Glioblastoma, Gliosarcoma
Interventions
3-Dimensional Conformal Radiation Therapy, Intensity-Modulated Radiation Therapy (IMRT), Temozolomide, Chloroquine, Tumor Treating Fields Therapy (TTF)
Radiation · Drug · Procedure
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Sep 27, 2026, 2:50 AM EDT
Terminated Phase 2 Interventional Results available

Combination of Trametinib (MEK Inhibitor) and Hydroxychloroquine (HCQ) (Autophagy Inhibitor) in Patients With KRAS Mutation Refractory Bile Tract Carcinoma (BTC).

NCT04566133
View directory record Official record
Conditions
Bile Duct Cancer, Biliary Cancer, Biliary Tract Neoplasms, Cholangiocarcinoma
Interventions
Trametinib, Hydroxychloroquine
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 27, 2026, 2:50 AM 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 27, 2026, 2:50 AM EDT
Withdrawn Phase 2 Interventional

Asymptomatic COVID-19 Trial

NCT04374552
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Hydroxychloroquine sulfate &Azithromycin, Placebo
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
20 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 1, 2020 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 3 Interventional Results available

Post-exposure Prophylaxis / Preemptive Therapy for SARS-Coronavirus-2

NCT04308668
View directory record Official record
Conditions
Corona Virus Infection, Acute Respiratory Distress Syndrome, SARS-CoV Infection, Coronavirus, Coronavirus Infections
Interventions
Hydroxychloroquine, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
1,312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Malaria Challenge in Healthy Volunteers

NCT01500980
View directory record Official record
Conditions
Malaria
Interventions
P. falciparum infection, Chloroquine, Primaquine
Biological · Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 1 Interventional

Binimetinib and Hydroxychloroquine in Treating Patients With KRAS Mutant Metastatic Pancreatic Cancer

NCT04132505
View directory record Official record
Conditions
Metastatic Pancreatic Adenocarcinoma, Stage IV Pancreatic Cancer AJCC v8
Interventions
Binimetinib, Hydroxychloroquine
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 4 Interventional Results available

IL-7 and IL-7R Expression in RA Patients With Active vs. Inactive Disease Treated With DMARD or CIMZIA

NCT02451748
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Lab Work, Certolizumab pegol (CDP870, tradename Cimzia)(prefilled syringes at the dose of 200mg), Certolizumab pegol (CDP870, tradename Cimzia), Hydroxychloroquine, Sulfasalazine, Medrol, Prednisone, Triamcinolone, Naproxen, Leflunomide, Methotrexate, humira
Other · Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 1 Interventional Results available

HCQ on PAR-4 Levels in Patients With Resectable Solid Tumors

NCT02232243
View directory record Official record
Conditions
Solid Tumor
Interventions
Hydroxychloroquine, 200mg twice dailiy, Hydroxychloroquine, 400mg twice daily
Drug
Lead sponsor
Peng Wang, MD PhD
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 27, 2021 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sanaria™ PfSPZ Challenge Vaccine

NCT01546389
View directory record Official record
Conditions
Malaria
Interventions
Sanaria™ PfSPZ Vaccine, Chloroquine
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2013 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 1 Interventional

Exploratory Platform Trial to Evaluate Immunotherapy Combinations With Chemotherapy for the Treatment of Patients With Previously Untreated Metastatic Pancreatic Adenocarcinoma

NCT04787991
View directory record Official record
Conditions
Metastatic Pancreatic Adenocarcinoma
Interventions
Nivolumab (Cohort A), Ipilimumab (Cohort A, B and C), Hydroxychloroquine (HCQ) (Cohort B), Nab-paclitaxel (nP) (Cohort A, B and C), Gemcitabine (gem) (Cohort A, B and C), NG350A (Cohort C)
Drug
Lead sponsor
Cancer Insight, LLC
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
Los Angeles, California • San Francisco, California • Stanford, California + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 4 Interventional Results available

Treatment of Early Aggressive Rheumatoid Arthritis (TEAR)

NCT00259610
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
methotrexate, sulfasalazine, hydroxychloroquine, etanercept
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
755 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 16, 2014 · Synced Sep 27, 2026, 2:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study To Estimate The Relative Bioavailability Of Co-Administered Formulations Of Azithromycin Microsphere And Chloroquine Test Formulation Compared With Co-Administered Immediate Release Individual Azithromycin And Chloroquine Tablets In Healthy Adult Subjects

NCT01100060
View directory record Official record
Conditions
Malaria Prophylaxis
Interventions
azithromycin (AZ) microsphere, test chloroquine (CQ) formulation, azithromycin (AZ), chloroquine (CQ)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 24, 2010 · Synced Sep 27, 2026, 2:50 AM EDT
Terminated Phase 3 Interventional

Preemptive Therapy for SARS-Coronavirus-2 (COVID-19 PEP Canada)

NCT04421664
View directory record Official record
Conditions
Corona Virus Infection, SARS-CoV Infection, Coronavirus
Interventions
Hydroxychloroquine, Placebo oral tablet
Drug
Lead sponsor
McGill University Health Centre/Research Institute of the McGill University Health Centre
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Sep 27, 2026, 2:50 AM EDT
Active, not recruiting Early Phase 1 Interventional

PHL Treatment in Pancreatic Cancer

NCT05365893
View directory record Official record
Conditions
Pancreatic Ductal Adenocarcinoma
Interventions
Paricalcitol, Hydroxychloroquine, Losartan, Neoadjuvant therapy and surgery only (Control)
Combination Product · Other
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 27, 2026, 2:50 AM EDT
Recruiting Phase 2 Interventional

Autophagy Maintenance (AUTOMAIN)

NCT06971744
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Hydroxychloroquine, Nelfinavir, Bevacizumab
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced Sep 27, 2026, 2:50 AM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Chloroquine (CQ) and Azithromycin (AZ) Combination for Malaria Prophylaxis

NCT03278808
View directory record Official record
Conditions
Malaria
Interventions
Chloroquine-Azithromycin (CQ/AZ), Chloroquine (CQ), atovaquone-proguanil (Malarone®)
Drug
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Bethesda, Maryland • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Sep 27, 2026, 2:50 AM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Hydroxychloroquine Prophylaxis for Health Care Workers at High Risk for COVID-19

NCT04435808
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 13, 2022 · Synced Sep 27, 2026, 2:50 AM 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 27, 2026, 2:50 AM EDT