Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 3, 2026, 2:37 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: HCQ Clear all
Recruiting Phase 2 Interventional

Immunosuppressant Management in Rheumatology Patients Undergoing Elective Total Shoulder Arthroplasty

NCT07138898
View directory record Official record
Conditions
Rheumatic Disease
Interventions
Methotrexate, Sulfasalazine, Hydroxychloroquine, Leflunomide, Azathioprine, Mycophenolate, Cyclosporine, Tacrolimus, Etanercept, Adalimumab, Golimumab, Certolizumab, Infliximab, Rituximab, Belimumab, Tocilizumab, Anakinra, Canakinumab, Abatacept, Secukinumab, Ixekizumab, Bimekizumab, Ustekinumab, Guselkumab, Risankizumab, Tofacitinib, Upadacitinib
Drug · Biological
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 3, 2026, 2:37 AM EDT
Completed Phase 1 Interventional

Hydroxychloroquine + Vorinostat in Advanced Solid Tumors

NCT01023737
View directory record Official record
Conditions
Malignant Solid Tumour
Interventions
Hydroxychloroquine, Vorinostat
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
16 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Sep 3, 2026, 2:37 AM EDT
Completed No phase listed Observational

Clarifying Misbeliefs About Hydroxychloroquine: Developing a Decision Aid for Patients With Lupus

NCT05922722
View directory record Official record
Conditions
Lupus
Interventions
Decision-making tool, Questionnaire
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Sep 3, 2026, 2:37 AM 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 3, 2026, 2:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Data Analysis for Drug Repurposing for Effective Alzheimer's Medicines (DREAM) - Methotrexate vs Hydroxychloroquine

NCT04691505
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Methotrexate, Hydroxychloroquine
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
133,553 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Sep 3, 2026, 2:37 AM EDT
Recruiting Phase 3 Interventional

Effects of Stopping Hydroxychloroquine in Elderly Lupus Disease

NCT05799378
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Hydroxychloroquine, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
12
States / cities
Los Angeles, California • San Diego, California • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 3, 2026, 2:37 AM EDT
Withdrawn Phase 2 Interventional

Hydroxychloroquine Treatment of Healthcare Workers With COVID19 Illness at Montefiore

NCT04350450
View directory record Official record
Conditions
COVID, Coronavirus, COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 26, 2020 · Synced Sep 3, 2026, 2:37 AM EDT
Terminated No phase listed Observational

Observational Study of COVID-19 Treatment Efficacy

NCT04369989
View directory record Official record
Conditions
Coronavirus, Coronavirus Infection, Corona Virus Infection, COVID, Sars-CoV2, Coronavirus as the Cause of Diseases Classified Elsewhere, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere, COVID-19, Coronavirus Disease, Coronavirus Sars-Associated as Cause of Disease Classified Elsewhere
Interventions
No intervention
Other
Lead sponsor
OSF Healthcare System
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Sep 3, 2026, 2:37 AM EDT
Completed Not applicable Interventional

Identification of a Responsive Subpopulation to Hydroxychloroquine in COVID-19 Patients Using Machine Learning

NCT04423991
View directory record Official record
Conditions
COVID-19, Coronavirus, Mortality
Interventions
COViage
Device
Lead sponsor
Dascena
Industry
Eligibility
Not listed
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2020 · Synced Sep 3, 2026, 2:37 AM EDT
Recruiting Phase 1 Interventional

A Trial of RSC-1255 for Treatment of Patients With Advanced Malignancies

NCT04678648
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, RAS Mutation, Lung Cancer, Colon Cancer, Glioblastoma, Pancreatic Cancer
Interventions
RSC-1255 Dose Escalation, RSC-1255 Dose Expansion
Drug
Lead sponsor
RasCal Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Los Angeles, California • Denver, Colorado • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 3, 2026, 2:37 AM EDT
Recruiting Phase 1Phase 2 Interventional

Neoadjuvant mFOLFIRINOX With Perioperative Oral Hydroxychloroquine in Resectable Pancreatic Adenocarcinoma

NCT04911816
View directory record Official record
Conditions
Adenocarcinoma of the Pancreas
Interventions
Hydroxychloroquine sulfate
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 3, 2026, 2:37 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 3, 2026, 2:37 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 3, 2026, 2:37 AM EDT
Not listed Phase 4 Interventional

Hydroxychloroquine Use in Hospitalized Patients With COVID-19: Impact on Progression to Severe or Critical Disease

NCT04429867
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 3, 2026, 2:37 AM EDT
Completed Phase 2 Interventional

A Study of ABC294640 Alone and in Combination With HCQ Sulfate in the Treatment of Advanced Cholangiocarcinoma

NCT03377179
View directory record Official record
Conditions
Cholangiocarcinoma, Cholangiocarcinoma Non-resectable, Cholangiocarcinoma, Perihilar, Cholangiocarcinoma, Extrahepatic, Cholangiocarcinoma, Intrahepatic
Interventions
ABC294640, Hydroxychloroquine Sulfate 200 MG
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
5
States / cities
Phoenix, Arizona • Atlanta, Georgia • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Sep 3, 2026, 2:37 AM 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 3, 2026, 2:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Binimetinib and Hydroxychloroquine in Patients With Advanced KRAS Mutant Non-Small Cell Lung Cancer

NCT04735068
View directory record Official record
Conditions
Non-Small Cell Lung Cancer, KRAS Mutation-Related Tumors
Interventions
Binimetinib Pill, Hydroxychloroquine Pill
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Sep 3, 2026, 2:37 AM EDT
Recruiting Phase 2 Interventional

Avelumab or Hydroxychloroquine With or Without Palbociclib to Eliminate Dormant Breast Cancer

NCT04841148
View directory record Official record
Conditions
Breast Cancer
Interventions
HCQ, Avelumab, Palbociclib
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Chicago, Illinois • Indianapolis, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 3, 2026, 2:37 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Hydroxychloroquine as Prophylaxis for COVID-19 in Healthcare Workers (HCQPreP)

NCT04363450
View directory record Official record
Conditions
COVID-19, Corona Virus Infection, Wuhan Coronavirus, Prophylaxis, Healthcare Worker, Sars-CoV2, Hydroxychloroquine
Interventions
Hydroxychloroquine, Placebo
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Enrollment
1,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Lafayette, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 1, 2020 · Synced Sep 3, 2026, 2:37 AM EDT
Terminated Phase 2 Interventional Results available

Hydroxychloroquine in Individuals At-risk for Type 1 Diabetes Mellitus

NCT03428945
View directory record Official record
Conditions
Type1 Diabetes Mellitus
Interventions
Hydroxychloroquine, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
3 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
37
States / cities
Los Angeles, California • San Francisco, California • Stanford, California + 33 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced Sep 3, 2026, 2:37 AM EDT
Terminated Phase 2 Interventional Results available

CD40L Antagonism in Rheumatoid Arthritis (RA)

NCT05306353
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Placebo for VIB4920, VIB4920 with TNFi, VIB4920 without TNFi
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
5
States / cities
San Francisco, California • Aurora, Colorado • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 3, 2026, 2:37 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 3, 2026, 2:37 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 3, 2026, 2:37 AM EDT
Recruiting No phase listed Observational

Genotype-Phenotype Study of Patients With Plaquenil -Induced Retinal Toxicity, With Evaluation of the ABCA4 Gene

NCT01145196
View directory record Official record
Conditions
Genotype, Retinal Disease
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 3, 2026, 2:37 AM EDT