Drug

Tirasemtiv

As of the edition of 20 October 2026, Tirasemtiv is a small molecule: went quiet in 2018; acts on TNNC2, TNNI2 and TNNT3.

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

The drug

Status
Went quiet, 2018
Kind
Small molecule
Registered trials
8, 1 stopped early
Disease areas
Nervous system; Nutrition and metabolism; Cancer; Heart and blood vessels; Immune 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.

Targets

GeneProteinUniProt
TNNC2Troponin C, skeletal muscleP02585
TNNT3Troponin T, fast skeletal muscleP45378
TNNI2Troponin I, fast skeletal muscleP48788

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 26501
Phase 32200
All trials8

Who ran its trials

CompanyRoleYears
CytokineticsLead sponsor of trials2010 to now