TheraRadar
Data updated: May 26, 2026

AZATHIOPRINE SODIUM

Immunology Approved 1995-03-31

AZATHIOPRINE SODIUM is indicated for the treatment of Rheumatoid Arthritis.

Source: FDA Label • Hikma
1
Indication
--
Phase 3 Trials
31
Years on Market

Details

Status
Prescription
First Approved
1995-03-31
Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

Active Ingredient: AZATHIOPRINE SODIUM

AZATHIOPRINE SODIUM Approval History

1996
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Original
New Indication
New Form
Label Update
8 FDA actions from 1995 to 2024
Jul 2024 SUPPL
Label · Labeling
Jan 2021 SUPPL
Label · Labeling
Mar 2014 SUPPL
Label · Labeling

What AZATHIOPRINE SODIUM Treats

1 indications

AZATHIOPRINE SODIUM is approved for 1 conditions since its original approval in 1995. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Rheumatoid Arthritis
Source: FDA Label

AZATHIOPRINE SODIUM Boxed Warning

WARNING - MALIGNANCY Chronic immunosuppression with azathioprine, a purine antimetabolite increases risk of malignancy in humans. Reports of malignancy include post-transplant lymphoma and hepatosplenic T-cell lymphoma (HSTCL) in patients with inflammatory bowel disease. Physicians using this drug should be very familiar with this risk as well as with the mutagenic potential to both men and women and with possible hematologic toxicities. Physicians should inform patients of the risk of malignanc...

AZATHIOPRINE SODIUM 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 AZATHIOPRINE SODIUM

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Active Pipeline

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Key Completed Trials

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Completed studies with published results, ranked by significance

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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.

AZATHIOPRINE SODIUM FDA Label Details

Indications & Usage

AZATHIOPRINE SODIUM is indicated for the treatment of Rheumatoid Arthritis.

⚠️ BOXED WARNING

WARNING - MALIGNANCY Chronic immunosuppression with azathioprine, a purine antimetabolite increases risk of malignancy in humans. Reports of malignancy include post-transplant lymphoma and hepatosplenic T-cell lymphoma (HSTCL) in patients with inflammatory bowel disease. Physicians using this drug s...

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Data Sources

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