DS-3201b
As of the edition of 20 October 2026, DS-3201b is a drug known only by a code name: stopped in 2023; acts on EZH2.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Stopped, 2023
- Kind
- Code name only
- Registered trials
- 4, 2 stopped early
- Disease areas
- Cancer; Blood and lymph; Immune system; Lungs and airways
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 DS-3201b.
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 |
|---|---|---|
| EZH2 | Histone-lysine N-methyltransferase EZH2 | Q15910 |
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase 1 | 3 | 1 | 1 | 1 |
| Phase 2 | 1 | 0 | 0 | 1 |
| All trials | 4 |
Who ran its trials
| Company | Role | Years |
|---|---|---|
| Daiichi Sankyo | Lead sponsor of trials | 2016 to now |