Drug

Who makes tiopronin?

7 companies list tiopronin as a human prescription drug, including under the names Thiola, Thiola EC, VENXXIVA. Forms: tablet, delayed release; tablet, sugar coated. Routes: oral.

Labellers from the openFDA NDC Directory. A labeller is the firm named on the label, not necessarily the site that made the product, and a listing is not an FDA approval. Data as of 24 Sept 2026. Methodology

Companies listing tiopronin

CompanyFormsApplicationNDCsRegistered sites
Mission Pharmacal CompanyUnited Statestablet, delayed release; tablet, sugar coatedNDANDA019569, NDA21184331
BioComp Pharma, Inc.tablet, delayed release; tablet, sugar coatedNDA AUTHORIZED GENERICNDA019569, NDA21184330
Teva Pharmaceutical Industries Ltd.Canadatablet, delayed releaseANDAANDA21645626
Par Health USA, LLCIndiatablet, delayed releaseANDAANDA21721925
Torrent Pharma, Inc.Indiatablet, delayed releaseANDAANDA21699025
Cycle Pharmaceuticals Ltd-Uktablet, delayed releaseANDAANDA21699020
Amneal Pharmaceuticals NY LLCtablet, delayed releaseANDAANDA21627810

Bulk ingredient listings

Orange Book patents

1 unexpired patent lists tiopronin as the active ingredient, expiring between Nov 2038 and Nov 2038. Application holder: MISSION PHARMACAL CO.

Enquiry

Common questions

Who makes tiopronin?
7 companies list tiopronin as a human prescription drug in the openFDA NDC Directory, led by Mission Pharmacal Company, BioComp Pharma, Inc., Teva Pharmaceutical Industries Ltd., Par Health USA, LLC, Torrent Pharma, Inc.. Each is the labeller, the firm named on the label; the product may be made at a site registered to another company.
Is there a generic Thiola?
5 companies list tiopronin under an abbreviated new drug application (ANDA), the application type used for generics, and 1 under an NDA or BLA. Listing status is from the NDC Directory; it is not a statement of availability.
Who supplies tiopronin active ingredient?
6 companies list tiopronin as a bulk ingredient, including AZICO BIOPHORE INDIA PRIVATE LIMITED, Dasami Lab Private Limited, MSN Life Sciences Private Limited, NURAY CHEMICALS PRIVATE LIMITED.