Drug

MK3134

As of the edition of 20 October 2026, MK3134 is a drug known only by a code name: went quiet in 2010; acts on HRH3.

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

The drug

Status
Went quiet, 2010
Kind
Code name only
Registered trials
2, 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.

Companies that need a new molecule because of this drug

1 company on route A because of this drug.

Companies on route A for this drug

In the product

1 company is on route A because of MK3134.

Target

GeneProteinUniProt
HRH3Histamine H3 receptorQ9Y5N1

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 12200
All trials2

Who ran its trials

CompanyRoleYears
Merck & Co.Lead sponsor of trials2007 to now