Maplirpacept
As of the edition of 20 October 2026, Maplirpacept is a protein: stopped in 2026; acts on CD47.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Stopped, 2026
- Kind
- Protein
- Registered trials
- 9, 4 stopped early
- Disease areas
- Cancer; Blood and lymph; Immune system; Heart and blood vessels; Hormones; Pregnancy and women's health
US protection
No US approval on record.
With no US approval on record there are no listed US patents or exclusivities.
This is the US only.
Companies that need a new molecule because of this drug
1 company on route A because of this drug.
Companies on route A for this drug
In the product1 company is on route A because of Maplirpacept.
See the 1 company on route A for this drug, with the facts behind eachRequest access. Nothing is shown until you do.
Target
| Gene | Protein | UniProt |
|---|---|---|
| CD47 | Leukocyte surface antigen CD47 | Q08722 |
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase 1 | 5 | 3 | 1 | 1 |
| Phase 2 | 4 | 0 | 1 | 3 |
| All trials | 9 |
Who ran its trials
| Company | Role | Years |
|---|---|---|
| Pfizer | Lead sponsor of trials | 2018 to now |