Pegaspargase
As of the edition of 20 October 2026, Pegaspargase is an enzyme: marketed, first approved in 1994 (US); US protection ended in 2006.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Marketed; latest approval 2023
- Kind
- Enzyme
- Brand name
- Oncaspar
- First approved
- 1 February 1994 (US)
- Approvals on record
- 6 in 5 regions
- Holder of the most recent approval
- Nihon Servier Co., Ltd.; 5 holders in all
- Registered trials
- 150, 20 stopped early
- Disease areas
- Cancer; Blood and lymph; Immune system; Infections; Inherited and neonatal; Nervous system
US protection
US protection ended in 2006.
US protection ended in 2006, 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 Servier. 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 | 13 | 8 | 2 | 0 |
| Phase 1 | 14 | 7 | 2 | 4 |
| Phase 2 | 75 | 23 | 20 | 15 |
| Phase 3 | 44 | 21 | 15 | 1 |
| Phase 4 | 4 | 0 | 1 | 0 |
| All trials | 150 |
Who has held its approvals
| Company | Role | Years |
|---|---|---|
| Servier | Applicant | 1994 to now |