Target

MTNR1B

Melatonin receptor type 1B

As of the edition of 20 October 2026, MTNR1B (melatonin receptor type 1B, UniProt P49286) has 7 drugs tested at it and 9 companies on the list, 1 on route A and 3 on route B.

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

The protein

UniProt
P49286
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
At a membrane
Solved structures
5
Disease areas
Mental health; Nervous system; Heart and blood vessels; Lungs and airways; Occupational diseases; Cancer; Urinary and reproductive; Pregnancy and women's health
Registered trials of its drugs
421

Drugs at this target

StatusCount
Marketed4
Went quiet2
Stopped1
Total7
DrugStatusFurthest phaseUS protection
MelatoninMarketedPhase 4none listed
RamelteonMarketedPhase 4none listed
TasimelteonMarketedPhase 4Ends 2035
AgomelatineMarketedPhase 4none listed
PiromelatineStoppedPhase 3none listed
KI1001Went quietPhase 3none listed
AGO178CWent quietPhase 1none listed

7 of 7 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A1
Route B3
Undetermined5
Total on the list9
Three companies on route A or B, with the route only
CompanyRoute
Vanda PharmaceuticalsRoute B
TakedaRoute B
NobelpharmaRoute B

The other 6 companies at MTNR1B

In the product

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

See the 9 companies at MTNR1B, ranked, with the facts behind eachRequest access. Nothing is shown until you do.