Target

HTR2B

5-hydroxytryptamine receptor 2B

As of the edition of 20 October 2026, HTR2B (5-hydroxytryptamine receptor 2B, UniProt P41595) has 8 drugs tested at it and 6 companies on the list, 3 on route A and 1 on route B.

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

The protein

UniProt
P41595
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
In more than one place
Solved structures
15
Disease areas
Mental health; Pregnancy and women's health; Urinary and reproductive; Heart and blood vessels; Lungs and airways; Nervous system; Chemically induced
Registered trials of its drugs
20

Drugs at this target

StatusCount
Marketed4
Went quiet2
Stopped1
Withdrawn from market1
Total8
DrugStatusFurthest phaseUS protection
VabicaserinWent quietPhase 2none listed
MethylergonovineMarketedPhase 4none listed
LisurideWent quietPhase 3none listed
MianserinMarketedPhase 4none listed
Prx-08066 free baseStoppedPhase 2none listed
ClothiapineMarketedNo phase statednone listed
MethysergideMarketedNo phase statednone listed
MinaprineWithdrawn from marketNo phase statednone listed

8 of 8 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A3
Route B1
Undetermined2
Total on the list6
Three companies on route A or B, with the route only
CompanyRoute
PfizerRoute A
NovartisRoute B
Axxonis PharmaRoute A

The other 3 companies at HTR2B

In the product

6 companies in all; 3 are not named here, and no score is.

See the 6 companies at HTR2B, ranked, with the facts behind eachRequest access. Nothing is shown until you do.