Target

PAK4

Serine/threonine-protein kinase PAK 4

As of the edition of 20 October 2026, PAK4 (serine/threonine-protein kinase PAK 4, UniProt O96013) has 2 drugs tested at it and 3 companies on the list, 3 on route A and 0 on route B.

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

The protein

UniProt
O96013
How well studied
Chemical tools exist; no approved drug acts on it
Where it sits in the cell
Inside the cell
Solved structures
50
Disease areas
Cancer; Blood and lymph; Immune system; Skin and connective tissue
Registered trials of its drugs
3

Drugs at this target

StatusCount
Stopped2
Total2
DrugStatusFurthest phaseUS protection
PadnarsertibStoppedPhase 1none listed
PF-03758309StoppedPhase 1none listed

2 of 2 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A3
Total on the list3
Three companies on route A or B, with the route only
CompanyRoute
PfizerRoute A
Karyopharm TherapeuticsRoute A
AntengeneRoute A

The other 0 companies at PAK4

In the product

3 companies in all; 0 are not named here, and no score is.

See the 3 companies at PAK4, ranked, with the facts behind eachRequest access. Nothing is shown until you do.