Tiopronin
1 NDC across 1 manufacturer|0 Generic,1 Brand
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The brand product was first FDA-approved on Aug 11, 1988, and the first generic was approved Apr 26, 2021. FDA's Orange Book lists 10 AB-rated (therapeutically equivalent) products for this ingredient. In 2024, Medicare Part D spent $31 million on Tiopronin across 3,730 claims for 360 beneficiaries.
Tiopronin is available as 1 NDC from 1 manufacturer (0 generic, 1 brand), with NADAC prices from $1.23 to $1.23 per EA. Every pack size and labeler in this drug market is compared side-by-side below.
Total NDCs
1
0G / 1B
Manufacturers
1
competing in market
Price Spread
$1.23 – $1.23
per EA
7d Activity
avg +0.0% WoW · of 1 NDCs
Market Price Trend
Monthly average NADAC per unit, split by generic and brand.
Explore this market from other angles
Move from the molecule page into the supplier, class, and trend views that create the strongest internal-link cluster for this market.
Top supplier
Mission Pharmacal Company manufacturer profile
Open the supplier page for the manufacturer with the strongest footprint in this market.
Trend hub
Latest market trends
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Guide
How to interpret NADAC
Review the benchmark methodology behind the prices and spreads shown on this market page.
Manufacturer Breakdown
1 manufacturer producing TIOPRONIN
| Drug ↕ | Price | 7d Change ↕ |
|---|---|---|
THIOLA 100 MG TABLET | $1.2283 per EA | — |
Frequently Asked Questions
When did Tiopronin become available as a generic?
FDA approved the first generic Tiopronin (ANDA) on Apr 26, 2021. The Orange Book currently lists 10 AB-rated products for this ingredient, meaning FDA considers them therapeutically equivalent to the brand.
How much does Medicare spend on Tiopronin?
In 2024, Medicare Part D spent $31 million on Tiopronin across 3,730 claims for 360 beneficiaries.
How many Tiopronin products are on the market?
The Tiopronin drug market contains 1 NDC from 1 manufacturer — 0 generic and 1 brand product.
What is the price range for Tiopronin?
NADAC reference prices for Tiopronin range from $1.2283 to $1.2283 per EA.
Which manufacturers make Tiopronin?
1 manufacturer lists Tiopronin in NADAC. Ranked by number of NDCs, the largest are Mission Pharmacal Company (1).