Target

PTGER4

Prostaglandin E2 receptor EP4 subtype

As of the edition of 20 October 2026, PTGER4 (prostaglandin E2 receptor EP4 subtype, UniProt P35408) has 5 drugs tested at it and 5 companies on the list, 2 on route A and 1 on route B.

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

The protein

UniProt
P35408
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
At a membrane
Solved structures
10
Disease areas
Urinary and reproductive; Pregnancy and women's health; Cancer; Skin and connective tissue; Digestive system; Bones, joints and muscles; Nervous system; Nutrition and metabolism
Registered trials of its drugs
53

Drugs at this target

StatusCount
Marketed1
Active1
Stopped3
Total5
DrugStatusFurthest phaseUS protection
DinoprostoneMarketedPhase 4none listed
GrapiprantStoppedPhase 2none listed
VorbipiprantActivePhase 2none listed
Bgc-20-1531 free baseStoppedPhase 2none listed
RivenprostStoppedPhase 2none listed

5 of 5 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A2
Route B1
Engaged1
Undetermined1
Total on the list5
Three companies on route A or B, with the route only
CompanyRoute
PfizerRoute B
Ikena OncologyRoute A
Boston ScientificRoute A

The other 2 companies at PTGER4

In the product

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

See the 5 companies at PTGER4, ranked, with the facts behind eachRequest access. Nothing is shown until you do.