Defosbarasertib
As of the edition of 20 October 2026, Defosbarasertib is a small molecule: stopped in 2021; acts on AURKB.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Stopped, 2021
- Kind
- Small molecule
- Registered trials
- 4, 2 stopped early
- Disease areas
- Cancer; Lungs and airways; Blood and lymph
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 Defosbarasertib.
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 |
|---|---|---|
| AURKB | Aurora kinase B | Q96GD4 |
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase 1 | 2 | 1 | 0 | 1 |
| Phase 2 | 2 | 0 | 1 | 1 |
| All trials | 4 |
Who ran its trials
| Company | Role | Years |
|---|---|---|
| AstraZeneca | Lead sponsor of trials | 2015 to now |