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Showing 1–24 of 198 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Chloroquine Sulfate Clear all
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 4, 2026, 1:11 AM EDT
Completed Phase 3 Interventional Results available

A Study of Tocilizumab in Combination With DMARDs in Patients With Moderate to Severe Rheumatoid Arthritis

NCT00531817
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Tocilizumab, Placebo, Permitted DMARDs
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
619 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
156
States / cities
Birmingham, Alabama • Montgomery, Alabama • Lake Havasu City, Arizona + 135 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2012 · Synced Sep 4, 2026, 1:11 AM EDT
Recruiting No phase listed Observational

A Registry to Capture Patient Outcomes With KRAS G12R Altered Advanced Pancreatic Ductal Adenocarcinoma Treated With MEK Inhibitor-based Combination Therapy

NCT05630989
View directory record Official record
Conditions
Pancreatic Ductal Adenocarcinoma
Interventions
combination therapy with no MEKi, combination therapy with MEKi-HCQ, combination therapy with MEKi-EGFRi, combination therapy with MEKi.
Other · Drug
Lead sponsor
Mandana Kamgar, MD
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 4, 2026, 1:11 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 4, 2026, 1:11 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study of Nivolumab and Hydroxychloroquine or Nivolumab/Ipilimumab and Hydroxychloroquine in Advanced Melanoma

NCT04464759
View directory record Official record
Conditions
Melanoma
Interventions
Nivolumab, Hydroxychloroquine, Ipilimumab
Drug
Lead sponsor
Ravi Amaravadi, MD
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 4, 2026, 1:11 AM 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 4, 2026, 1:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study To Estimate The Relative Bioavailability Of Fixed Combination Tablets Of Azithromycin And Chloroquine Compared To Co-Administered Individual Tablets Of Azithromycin And Chloroquine

NCT00844207
View directory record Official record
Conditions
Malaria
Interventions
Fixed combination of Azithromycin and Chloroquine, Azithromycin and Chloroquine
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 20, 2009 · Synced Sep 4, 2026, 1:11 AM EDT
Completed Phase 2 Interventional Results available

Chloroquine to Treat People With Metabolic Syndrome Aim2 (ARCH-MS)

NCT00455325
View directory record Official record
Conditions
Metabolic Syndrome X, Overweight, Hypertension, Dyslipidemias, Prediabetic State
Interventions
Placebo Comparator: First Intervention (3 weeks), Active Comparator: Second Intervention (3 weeks), Active Comparator: Third Intervention (3 weeks), Active Comparator: Fourth Intervention (3 weeks)
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Sep 4, 2026, 1:11 AM EDT
Active, not recruiting Phase 1 Interventional

Akt Inhibitor MK2206 and Hydroxychloroquine in Treating Patients With Advanced Solid Tumors, Melanoma, Prostate or Kidney Cancer

NCT01480154
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Stage III Cutaneous Melanoma AJCC v7, Stage III Prostate Cancer AJCC v7, Stage III Renal Cell Cancer AJCC v7, Stage IIIA Cutaneous Melanoma AJCC v7, Stage IIIB Cutaneous Melanoma AJCC v7, Stage IIIC Cutaneous Melanoma AJCC v7, Stage IV Cutaneous Melanoma AJCC v6 and v7, Stage IV Prostate Cancer AJCC v7, Stage IV Renal Cell Cancer AJCC v7
Interventions
Akt Inhibitor MK2206, Hydroxychloroquine
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 4, 2026, 1:11 AM 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 4, 2026, 1:11 AM EDT
Terminated Phase 2 Interventional Results available

Treating COVID-19 With Hydroxychloroquine (TEACH)

NCT04369742
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine (HCQ), Placebo: Calcium citrate
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2022 · Synced Sep 4, 2026, 1:11 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 4, 2026, 1:11 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 4, 2026, 1:11 AM EDT
Completed Not applicable Interventional

IDO2 Genetic Status Informs the Neoadjuvant Efficacy of Chloroquine (CQ) in Brain Metastasis Radiotherapy

NCT01727531
View directory record Official record
Conditions
Brain Metastasis
Interventions
Chloroquine diphosphate
Drug
Lead sponsor
Main Line Health
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Sep 4, 2026, 1:11 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 4, 2026, 1:11 AM EDT
Withdrawn Phase 4 Interventional

Hydroxychloroquine in SARS-CoV-2 (COVID-19) Pneumonia Trial

NCT04382625
View directory record Official record
Conditions
SARS-CoV-2 Pneumonia, COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
Kootenai Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Coeur d'Alene, Idaho
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Sep 4, 2026, 1:11 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 4, 2026, 1:11 AM EDT
Completed Phase 3 Interventional Results available

To Evaluate The Safety of SAR153191 (REGN88) and Tocilizumab Added to Other RA Drugs in Patients With RA Who Are Not Responding to or Intolerant of Anti-TNF Therapy (SARIL-RA-ASCERTAIN)

NCT01768572
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
sarilumab SAR153191 (REGN88), tocilizumab, hydroxychloroquine, methotrexate, sulfasalazine, leflunomide, subcutaneous placebo, intravenous placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
14
States / cities
Huntsville, Alabama • Colorado Springs, Colorado • Aventura, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2017 · Synced Sep 4, 2026, 1:11 AM 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 4, 2026, 1:11 AM EDT
Completed Phase 4 Interventional Results available

Reducing Risk of Type 2 Diabetes: Hydroxychloroquine Use in Pre-Diabetes

NCT01326533
View directory record Official record
Conditions
Pre-diabetes
Interventions
hydroxychloroquine, Placebo
Drug · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 25, 2016 · Synced Sep 4, 2026, 1:11 AM EDT
Completed Phase 1 Interventional

A Phase I Trial of Vemurafenib and Hydroxychloroquine in Patients With Advanced BRAF Mutant Melanoma

NCT01897116
View directory record Official record
Conditions
Melanoma
Interventions
Hydroxychloroquine (HCQ), Vemurafenib (VEM)
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 28, 2020 · Synced Sep 4, 2026, 1:11 AM EDT
Suspended Phase 3 Interventional

VA Remote and Equitable Access to COVID-19 Healthcare Delivery (VA-REACH TRIAL)

NCT04363203
View directory record Official record
Conditions
SARS-CoV-2, COVID-19
Interventions
Hydroxychloroquine, Azithromycin, Placebo oral tablet
Drug
Lead sponsor
Salomeh Keyhani MD
Federal
Eligibility
216 Months and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2020 · Synced Sep 4, 2026, 1:11 AM 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 4, 2026, 1:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sanaria PfSPZ Challenge With Pyrimethamine Chemoprophylaxis (PfSPZ-CVac Approach): Phase 1 Trial to Determine Safety and Protective Efficacy of Sanaria PfSPZ Challenge With Concurrent Pyrimethamine Treatment That Inhibits Development of Asexual B...

NCT02511054
View directory record Official record
Conditions
Malaria
Interventions
Chloroquine (CQ), Pyrimethamine (PYR), Sanaria PfSPZ Challenge (NF54)
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 4, 2026, 1:11 AM EDT