# ESTRING
> **NDA020472** · New Drug Application · Sponsor: PFIZER · Approved 1996-04-26
## Drug
- **FDA Application Number:** NDA020472
- **Application type:** New Drug Application
- **Brand name:** ESTRING
- **Generic name:** ESTRADIOL
- **Active ingredients:** ESTRADIOL
- **Dosage form:** INSERT, EXTENDED RELEASE
- **Route:** VAGINAL
- **Marketing status:** Prescription
- **Sponsor:** PFIZER
- **Manufacturer:** Pfizer Laboratories Div Pfizer Inc
- **First approval:** 1996-04-26
## Source
- [Drugs@FDA application overview](https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=020472)
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