# THYREL TRH
> **NDA018087** · New Drug Application · Sponsor: FERRING · Approved 1978-07-18
## Drug
- **FDA Application Number:** NDA018087
- **Application type:** New Drug Application
- **Brand name:** THYREL TRH
- **Generic name:** Protirelin
- **Active ingredients:** PROTIRELIN
- **Dosage form:** INJECTABLE
- **Route:** INJECTION
- **Marketing status:** Discontinued
- **Sponsor:** FERRING
- **First approval:** 1978-07-18
## Source
- [Drugs@FDA application overview](https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=018087)
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