TheraRadar
Data updated: May 26, 2026

PROPYLTHIOURACIL

Thyroid Hormone Synthesis Inhibitors
Endocrine Approved 1947-07-28

PROPYLTHIOURACIL is indicated for the treatment of Graves' Disease; Hyperthyroidism; Toxic Multinodular Goiter.

Source: FDA Label • Sun Pharma
10
Indications
--
Phase 3 Trials
78
Years on Market

PROPYLTHIOURACIL Approval History

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Original
New Indication
New Form
Label Update
103 FDA actions from 1947 to 2024
Jun 2024 SUPPL
Label · Labeling
May 2023 ORIGINAL
Update
Mar 2021 SUPPL
Mfg · Manufacturing (CMC)

What PROPYLTHIOURACIL Treats

3 indications

PROPYLTHIOURACIL is approved for 3 conditions since its original approval in 1947. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Graves' Disease
  • Hyperthyroidism
  • Toxic Multinodular Goiter
Source: FDA Label

PROPYLTHIOURACIL Boxed Warning

WARNING Severe liver injury and acute liver failure, in some cases fatal, have been reported in patients treated with propylthiouracil. These reports of hepatic reactions include cases requiring liver transplantation in adult and pediatric patients. Propylthiouracil should be reserved for patients who cannot tolerate methimazole and in whom radioactive iodine therapy or surgery are not appropriate treatments for the management of hyperthyroidism. Propylthiouracil may be the treatment of choice w...

PROPYLTHIOURACIL Competitive Set

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Three rings of competition based on shared molecular targets and treated indications.

Indication competitors

2

Same indication, different mechanism — what else might this patient receive?

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

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HICON
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JUBILANT
Shared indications:
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Clinical Trial Registry

1 trials
Trial Sponsor ID Phase Status Title
NCT05118542 19-06-0752 Ph 3 completed Effect of Hyperthyroidism and Its Treatment in Graves' Disease to Early Marker of Atherosclerosis
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Active Pipeline

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Ongoing clinical trials by development phase

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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.

PROPYLTHIOURACIL FDA Label Details

Indications & Usage

FDA Label (PDF)

PROPYLTHIOURACIL is indicated for the treatment of Graves' Disease; Hyperthyroidism; Toxic Multinodular Goiter.

⚠️ BOXED WARNING

WARNING Severe liver injury and acute liver failure, in some cases fatal, have been reported in patients treated with propylthiouracil. These reports of hepatic reactions include cases requiring liver transplantation in adult and pediatric patients. Propylthiouracil should be reserved for patients w...

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Data Sources

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