Target

CASR

Extracellular calcium-sensing receptor

As of the edition of 20 October 2026, CASR (extracellular calcium-sensing receptor, UniProt P41180) has 10 drugs tested at it and 9 companies on the list, 5 on route A and 3 on route B.

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

The protein

UniProt
P41180
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
At a membrane
Solved structures
31
Disease areas
Hormones; Urinary and reproductive; Pregnancy and women's health; Nutrition and metabolism; Bones, joints and muscles; Cancer; Inherited and neonatal; Injuries
Registered trials of its drugs
112

Drugs at this target

StatusCount
Marketed4
Active1
Went quiet5
Total10
DrugStatusFurthest phaseUS protection
CinacalcetMarketedPhase 4none listed
EtelcalcetideMarketedPhase 3Ends 2031
RonacaleretWent quietPhase 2none listed
EvocalcetMarketedPhase 3none listed
EncaleretActivePhase 3none listed
ASP7991Went quietPhase 2none listed
UpacicalcetMarketedPhase 3none listed
ATF-936Went quietPhase 1none listed
AXT-914Went quietPhase 1none listed
SB-423562Went quietPhase 2none listed

10 of 10 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A5
Route B3
Engaged1
Total on the list9
Three companies on route A or B, with the route only
CompanyRoute
Kyowa KirinRoute B
Merck & Co.Route A
GSKRoute A

The other 6 companies at CASR

In the product

9 companies in all; 6 are not named here, and no score is.

See the 9 companies at CASR, ranked, with the facts behind eachRequest access. Nothing is shown until you do.