Drug

MK-8189

As of the edition of 20 October 2026, MK-8189 is a small molecule: in active development; acts on PDE10A.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Active, 2017
Kind
Small molecule
Registered trials
12, 0 stopped early
Disease areas
Mental health; Nervous system

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Target

GeneProteinUniProt
PDE10AcAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10AQ9Y233

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 1101000
Phase 22200
All trials12

Who ran its trials

CompanyRoleYears
Merck & Co.Lead sponsor of trials2014 to now