# TIOCYSTIN
> **NDA212927** · New Drug Application · Sponsor: CASPER PHARMA LLC · Approved 2026-06-02
## Drug
- **FDA Application Number:** NDA212927
- **Application type:** New Drug Application
- **Brand name:** TIOCYSTIN
- **Generic name:** Tiopronin
- **Active ingredients:** TIOPRONIN
- **Dosage form:** TABLET
- **Route:** ORAL
- **Marketing status:** Prescription
- **Sponsor:** CASPER PHARMA LLC
- **First approval:** 2026-06-02
## Source
- [Drugs@FDA application overview](https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=212927)
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*MORVS · CC0 1.0*