# CARDIZEM SR
> **NDA019471** · New Drug Application · Sponsor: BIOVAIL · Approved 1989-01-23
## Drug
- **FDA Application Number:** NDA019471
- **Application type:** New Drug Application
- **Brand name:** CARDIZEM SR
- **Generic name:** Diltiazem Hydrochloride
- **Active ingredients:** DILTIAZEM HYDROCHLORIDE
- **Dosage form:** CAPSULE, EXTENDED RELEASE
- **Route:** ORAL
- **Marketing status:** Discontinued
- **Sponsor:** BIOVAIL
- **First approval:** 1989-01-23
## Source
- [Drugs@FDA application overview](https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=019471)
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