Vestronidase alfa
As of the edition of 20 October 2026, Vestronidase alfa is an enzyme: marketed, first approved in 2017 (US); US protection ends in 2029.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Marketed; latest approval 2022
- Kind
- Enzyme
- Brand name
- Mepsevii
- First approved
- 15 November 2017 (US)
- Approvals on record
- 4 in 3 regions
- Holder of the most recent approval
- Amicus Therapeutics; 3 holders in all
- Registered trials
- 6, 0 stopped early
- Disease areas
- Inherited and neonatal; Nutrition and metabolism; Skin and connective tissue
US protection
US protection ends in 2029.
US protection ends in 2029, computed as 12 years from the first US licence because FDA publishes no date for this product. The application that gives this date is held by Ultragenyx Pharamceutical. The date is computed, not published.
This is the US only, and it is not the date generics or biosimilars can enter.
The exact date and the listings behind it
In the product2 listings count towards this date. The exact date and each listing are in the product.
See the exact date and the 2 listings behind itRequest access. Nothing is shown until you do.
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase not stated | 2 | 0 | 0 | 0 |
| Phase 2 | 2 | 2 | 0 | 0 |
| Phase 3 | 2 | 2 | 0 | 0 |
| All trials | 6 |
Who has held its approvals
| Company | Role | Years |
|---|---|---|
| Ultragenyx Pharamceutical | Applicant | 2017 to now |
| Ultragenyx Pharmaceutical | Applicant and Lead sponsor of trials | 2018 to now |
| Amicus Therapeutics | Applicant | 2022 to now |