Target

MAPK8

Mitogen-activated protein kinase 8

As of the edition of 20 October 2026, MAPK8 (mitogen-activated protein kinase 8, UniProt P45983) has 3 drugs tested at it and 2 companies on the list, 2 on route A and 0 on route B.

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

The protein

UniProt
P45983
How well studied
Chemical tools exist; no approved drug acts on it
Where it sits in the cell
Inside the cell
Solved structures
41
Disease areas
Lungs and airways; Blood and lymph; Cancer; Digestive system; Pregnancy and women's health; Urinary and reproductive
Registered trials of its drugs
12

Drugs at this target

StatusCount
Went quiet1
Stopped2
Total3
DrugStatusFurthest phaseUS protection
CC-90001StoppedPhase 2none listed
BentamapimodWent quietPhase 2none listed
CC-401StoppedPhase 1none listed

3 of 3 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A2
Total on the list2
Three companies on route A or B, with the route only
CompanyRoute
Bristol Myers SquibbRoute A
PregLemRoute A

The other 0 companies at MAPK8

In the product

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

See the 2 companies at MAPK8, ranked, with the facts behind eachRequest access. Nothing is shown until you do.