Wednesday, July 8, 2026

Drug profile · INN

tiopronin

tiopronin (THIOLA) is a reducing agent. Associated with Amneal Pharma Europe Ltd. Route of administration: oral. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 3
Pipeline programs 1
News articles 0
Drug details — tiopronin
US status
approved
Class
Route
ORAL
Patents
3
Programs
1
Data quality
0.89

Quick answer

tiopronin (THIOLA) is a reducing agent. Associated with Amneal Pharma Europe Ltd. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN tiopronin
Brand THIOLA
Mechanism Reducing agent
Route ORAL
Formulation TABLET, DELAYED RELEASE

Mechanism of action

Reducing agent

Approval history

Authority Status Date
FDA approved

Pipeline programs

  1. OBG PED-001 Phase 2 · KIORA PHARMACEUTICALS · Persistent Corneal Epithelial Defect
  1. US 10786582

    Gd(III)-dithiolane gold nanoparticle conjugates

    Expires Mon Sep 24 2040 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. US 10406249

    Gd(III)-dithiolane gold nanoparticle conjugates

    Expires Mon Sep 05 2039 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. US 6680331

    Lactam and thiolactam derivatives as anesthetic and conscious sedation agents

    Expires Mon Jan 15 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

Frequently asked questions

What is tiopronin?

tiopronin (THIOLA) is a reducing agent. Associated with Amneal Pharma Europe Ltd. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for tiopronin?

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

What is the US approval status of tiopronin?

tiopronin 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.