Trilaciclib
As of the edition of 20 October 2026, Trilaciclib is a small molecule: marketed, first approved in 2021 (US); acts on CDK4 and CDK6; US protection ends in 2040.
Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.
The drug
- Status
- Marketed; latest approval 2021
- Kind
- Small molecule
- Brand name
- Cosela
- First approved
- 12 February 2021 (US)
- Approvals on record
- 1 in 1 region
- Holder of the most recent approval
- Pharmacosmos
- Registered trials
- 45, 5 stopped early
- Disease areas
- Cancer; Lungs and airways; Skin and connective tissue; Digestive system; Pregnancy and women's health; Urinary and reproductive
US protection
US protection ends in 2040.
The last listed US drug-substance patent ends in 2040. The application that gives this date is held by Pharmacosmos.
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 product6 listings count towards this date. The exact date and each listing are in the product.
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Companies that need a new molecule because of this drug
2 company-target rows on route B because of this drug.
Companies on route B for this drug
In the product2 company-target rows are on route B because of Trilaciclib.
See the 2 company-target rows on route B for this drug, with the facts behind eachRequest access. Nothing is shown until you do.
Targets
Registered trials
| Phase | Trials | Completed | Active | Stopped early |
|---|---|---|---|---|
| Phase not stated | 3 | 0 | 2 | 0 |
| Phase 1 | 2 | 1 | 1 | 0 |
| Phase 2 | 34 | 4 | 18 | 4 |
| Phase 3 | 4 | 1 | 2 | 1 |
| Phase 4 | 2 | 1 | 1 | 0 |
| All trials | 45 |
Who has held its approvals
| Company | Role | Years |
|---|---|---|
| Pharmacosmos | Originator, Applicant and Lead sponsor of trials | 2021 to now |