# TYSABRI
> **BLA125104** · Biologics License Application · Sponsor: BIOGEN IDEC · Approved 2004-11-23
## Drug
- **FDA Application Number:** BLA125104
- **Application type:** Biologics License Application
- **Brand name:** TYSABRI
- **Generic name:** NATALIZUMAB
- **Active ingredients:** NATALIZUMAB
- **Dosage form:** VIAL
- **Route:** SINGLE-USE
- **Marketing status:** Prescription
- **Sponsor:** BIOGEN IDEC
- **Manufacturer:** Biogen Inc.
- **First approval:** 2004-11-23
## Source
- [Drugs@FDA application overview](https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=125104)
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