Target

PARP3

Protein mono-ADP-ribosyltransferase PARP3

As of the edition of 20 October 2026, PARP3 (protein mono-ADP-ribosyltransferase PARP3, UniProt Q9Y6F1) has 5 drugs tested at it and 7 companies on the list, 3 on route A and 2 on route B.

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

The protein

UniProt
Q9Y6F1
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
Inside the cell
Solved structures
16
Disease areas
Cancer; Urinary and reproductive; Pregnancy and women's health; Hormones; Skin and connective tissue; Digestive system; Lungs and airways; Blood and lymph
Registered trials of its drugs
575

Drugs at this target

StatusCount
Marketed2
Went quiet1
Stopped2
Total5
DrugStatusFurthest phaseUS protection
OlaparibMarketedPhase 4Ends 2028
VeliparibStoppedPhase 3none listed
RucaparibMarketedPhase 3Ends 2031
AZD2461Went quietPhase 1none listed
E-7016StoppedPhase 2none listed

5 of 5 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A3
Route B2
Undetermined2
Total on the list7
Three companies on route A or B, with the route only
CompanyRoute
AstraZenecaRoute B
AbbVieRoute A
EisaiRoute A

The other 4 companies at PARP3

In the product

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

See the 7 companies at PARP3, ranked, with the facts behind eachRequest access. Nothing is shown until you do.