Wednesday, July 8, 2026

Drug profile · INN

propylthiouracil

propylthiouracil (PTU) is a thyroid peroxidase inhibitor. Route of administration: oral. Current US regulatory status: approved.

FDA: approved TGA: approved
US status approved
Patents linked 0
Pipeline programs 7
News articles 0
Drug details — propylthiouracil
US status
approved
Class
Route
ORAL
Patents
0
Programs
7
Data quality
0.84

Quick answer

propylthiouracil (PTU) is a thyroid peroxidase inhibitor. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN propylthiouracil
Brand PTU
Mechanism Thyroid peroxidase inhibitor
Target Thyroid peroxidase
Route ORAL
Formulation TABLET

Mechanism of action

Thyroid peroxidase inhibitor

Primary target: Thyroid peroxidase

Approval history

Authority Status Date
FDA approved
TGA approved

Pipeline programs

  1. - Phase 3 · Disc Medicine · Resectable colorectal rectal metastases without extrahepatic
  2. - Phase 2 · Anaxis Pharma · Myocardial Infarction, Acute Heart Failure, Left Sided
  3. - Phase 2 · George Institute for · Cytomegalovirus infection post allogeneic allogeneic HLA-ide
  4. - Phase 2 · Talon Biomarkers · Primary or advanced breast cancer LumA or ER+ Lobular subtyp
  5. - Phase 2 · Ningbo Cancer Hospital · Unresectable intrahepatic cholangiocarcinoma
  6. - Phase 2 · Disc Medicine · Intrahepatic cholangiocarcinoma (iCCA)
  7. - Approved · George Institute for · Acute lower Respiratory Tract Infection or acute rhinosinusi

Related & competitor drugs

  1. methimazole Thyroid peroxidase inhibitor
  2. carbimazole Thyroid peroxidase inhibitor

Frequently asked questions

What is propylthiouracil?

propylthiouracil (PTU) is a thyroid peroxidase inhibitor. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for propylthiouracil?

PTU is a marketed brand name for propylthiouracil. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of propylthiouracil?

propylthiouracil has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.