TheraRadar

Pharma Intelligence, Simplified

Data updated: Mar 10, 2026

THIOLA EC

TIOPRONIN Cystine Disulfide Reduction
Approved 2019-06-28
1
Indication
--
Phase 3 Trials
6
Years on Market

Details

Status
Prescription
First Approved
2019-06-28
Routes
ORAL
Dosage Forms
TABLET, DELAYED RELEASE

Companies

Active Ingredient: TIOPRONIN

THIOLA EC Approval History

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What THIOLA EC Treats

1 indications

THIOLA EC is approved for 1 conditions since its original approval in 2019. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Cystinuria
Source: FDA Label
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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.

THIOLA EC FDA Label Details

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Indications & Usage

FDA Label (PDF)

THIOLA EC is indicated, in combination with high fluid intake, alkali, and diet modification, for the prevention of cystine stone formation in adults and pediatric patients 20 kg and greater with severe homozygous cystinuria, who are not responsive to these measures alone. THIOLA EC is a reducing and complexing thiol indicated, in combination with high fluid intake, alkali, and diet modification, for the prevention of cystine stone formation in adults and pediatric patients 20 kg and greater with severe homozygous cystinuria, who are not responsive to these measures alone.

THIOLA EC Patents & Exclusivity

Latest Patent: Nov 2038
Exclusivity: Jun 2026

Patents (4 active)

US11458104 Expires Nov 14, 2038

Exclusivity

ODE* Until Jun 2026
ODE* Until Jun 2026
ODE* Until Jun 2026
ODE* Until Jun 2026
Source: FDA Orange Book

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Data Sources

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