Target

CDK5

Cyclin-dependent kinase 5

As of the edition of 20 October 2026, CDK5 (cyclin-dependent kinase 5, UniProt Q00535) has 2 drugs tested at it and 4 companies on the list, 4 on route A and 0 on route B.

Sources: UniProt, ClinicalTrials.gov, ChEMBL, FDA Orange Book and Purple Book, Pharos.

The protein

UniProt
Q00535
How well studied
Chemical tools exist; no approved drug acts on it
Where it sits in the cell
In more than one place
Solved structures
12
Disease areas
Cancer; Blood and lymph; Immune system; Skin and connective tissue; Heart and blood vessels; Hormones; Digestive system; Lungs and airways
Registered trials of its drugs
24

Drugs at this target

StatusCount
Stopped2
Total2
DrugStatusFurthest phaseUS protection
DinaciclibStoppedPhase 3none listed
SeliciclibStoppedPhase 2none listed

2 of 2 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A4
Total on the list4
Three companies on route A or B, with the route only
CompanyRoute
Merck & Co.Route A
AbbVieRoute A
AlconRoute A

The other 1 company at CDK5

In the product

4 companies in all; 1 is not named here, and no score is.

See the 4 companies at CDK5, ranked, with the facts behind eachRequest access. Nothing is shown until you do.