Target

SIGMAR1

Sigma non-opioid intracellular receptor 1

As of the edition of 20 October 2026, SIGMAR1 (sigma non-opioid intracellular receptor 1, UniProt Q99720) has 8 drugs tested at it and 12 companies on the list, 2 on route A and 3 on route B.

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

The protein

UniProt
Q99720
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
In more than one place
Solved structures
5
Disease areas
Nervous system; Mental health; Inherited and neonatal; Infections; Lungs and airways; Nutrition and metabolism; Cancer; Chemically induced
Registered trials of its drugs
177

Drugs at this target

StatusCount
Marketed4
Active2
Went quiet2
Total8
DrugStatusFurthest phaseUS protection
DextromethorphanMarketedPhase 4none listed
FenfluramineMarketedPhase 4Ends 2036
AXS-05ActivePhase 4none listed
BlarcamesineActivePhase 3none listed
PentazocineMarketedPhase 4none listed
SA4503Went quietPhase 2none listed
CarbetapentaneMarketedPhase 1none listed
SR31747AWent quietPhase 2none listed

8 of 8 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A2
Route B3
Engaged4
Undetermined3
Total on the list12
Three companies on route A or B, with the route only
CompanyRoute
UCBRoute B
GSKRoute B
SanofiRoute A

The other 9 companies at SIGMAR1

In the product

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

See the 12 companies at SIGMAR1, ranked, with the facts behind eachRequest access. Nothing is shown until you do.