TheraRadar
Data updated: Jun 28, 2026

HYDROXYCHLOROQUINE SULFATE · ALKALOIDA ZRT

Immunology Approved 1955-04-18

Hydroxychloroquine sulfate tablets are an antimalarial and antirheumatic indicated for the: Treatment of uncomplicated malaria due to Plasmodium falciparum, Plasmodium malariae, Plasmodium ovale, and Plasmodium vivax in adult and pediatric patients. Prophylaxis of malaria in geographic areas where chloroquine resistance is not reported in adult and pediatric patients. Treatment of rheumatoid arthritis in adults. Treatment of systemic lupus erythematosus in adults.

NDA
Small Molecule
14
Indications
--
Phase 3 Trials
71
Years on Market

HYDROXYCHLOROQUINE SULFATE Approval History

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Original
New Indication
New Form
Label Update
147 FDA actions from 1994 to 2025
Jun 2025 SUPPL
Label · Labeling
Oct 2024 SUPPL
Label · Labeling
Oct 2024 SUPPL
Label · Labeling

What HYDROXYCHLOROQUINE SULFATE Treats

4 indications

HYDROXYCHLOROQUINE SULFATE is approved for 4 conditions since its original approval in 1994. These indications span multiple therapeutic areas including oncology, immunology, and more.

Source: FDA Label

HYDROXYCHLOROQUINE SULFATE Competitive Set

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to HYDROXYCHLOROQUINE SULFATE

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PLAQUENIL
HYDROXYCHLOROQUINE SULFATE
4 shared
ADVANZ PHARMA
Shared indications:
MalariaRheumatoid ArthritisSystemic Lupus Erythematosus +1 more
SOVUNA
HYDROXYCHLOROQUINE SULFATE
4 shared
NOVITIUM PHARMA
Shared indications:
MalariaRheumatoid ArthritisSystemic Lupus Erythematosus +1 more
BETAMETHASONE ACETATE AND BETAMETHASONE SODIUM PHOSPHATE
BETAMETHASONE ACETATE
2 shared
Hikma
Shared indications:
Rheumatoid ArthritisSystemic Lupus Erythematosus
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Clinical Trial Registry

13 trials
Trial Sponsor ID Phase Status Title
NCT04911816 2103260669 Ph 1, Ph 2 recruiting Neoadjuvant mFOLFIRINOX With Perioperative Oral Hydroxychloroquine in Resectable Pancreatic Adenocarcinoma
NCT02615938 HCQ-chILD-EU results posted EudratCT:2013-003714-40 Ph 2 terminated Hydroxychloroquine (HCQ) in Pediatric Interstitial Lung Disease (ILD)
NCT04386057 results posted 19-529 Ph 2 completed LY3214996 +/- HCQ in Pancreatic Cancer
NCT06519617 2024-KY-173 Ph 2 enrolling by invitation Study on Optimization and Evaluation of Integrated Chinese and Western Medicine for pSS Glandular Damage
NCT04341727 WU352 results posted 202003188 Ph 3 terminated Hydroxychloroquine,Hydroxychloroquine,Azithromycin in the Treatment of SARS CoV-2 Infection
NCT04336332 results posted 002011 Pro2020000712, Pro2020000712 Ph 2 terminated Randomized Comparison of Combination Azithromycin and Hydroxychloroquine vs. Hydroxychloroquine Alone for the Treatment of Confirmed COVID-19
NCT04354428 results posted STUDY00009878 INV-017062 Ph 2, Ph 3 terminated Treatment for COVID-19 in High-Risk Adult Outpatients
NCT04328961 results posted STUDY00009750 INV-016204 Ph 2, Ph 3 completed Hydroxychloroquine for COVID-19 Post-exposure Prophylaxis (PEP)
NCT04342221 COV-HCQ COV-HCQ 2020-001224-33 Ph 3 terminated Hydroxychloroquine for COVID-19
NCT04361461 APS000/2020 Ph 3 withdrawn Use of Hydroxychloroquine Alone or Associated for Inpatients With SARS-CoV2 Virus (COVID-19)
NCT04307693 S2020-0472-0001 Ph 2 terminated Comparison of Lopinavir/Ritonavir or Hydroxychloroquine in Patients With Mild Coronavirus Disease (COVID-19)
NCT02942381 2016(1057) Ph 2 completed A Study of Hydroxychloroquine Sulfate for Reduction of Proteinuria in Patients With IgA Nephropathy
NCT02351752 2014【851】 Ph 4 completed Hydroxychloroquine Sulfate for Reduction of Proteinuria in Patients With IgA Nephropathy: a Self- Controlled Study
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Active Pipeline

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Key Completed Trials

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

HYDROXYCHLOROQUINE SULFATE FDA Label Details

Indications & Usage

FDA Label (PDF)

Hydroxychloroquine sulfate tablets are an antimalarial and antirheumatic indicated for the: Treatment of uncomplicated malaria due to Plasmodium falciparum, Plasmodium malariae, Plasmodium ovale, and Plasmodium vivax in adult and pediatric patients. Prophylaxis of malaria in geographic areas where chloroquine resistance is not reported in adult and pediatric patients. Treatment of rheumatoid arthritis in adults. Treatment of systemic lupus erythematosus in adults. Treatment of chronic discoid lupus erythematosus in adults. Limitations of Use : Hydroxychloroquine sulfate tablets are not recomme...

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.