Drug

Tefinostat

As of the edition of 20 October 2026, Tefinostat is a small molecule: went quiet in 2018; acts on HDAC9.

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

The drug

Status
Went quiet, 2018
Kind
Small molecule
Registered trials
2, 0 stopped early
Disease areas
Blood and lymph; Cancer; Digestive 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 Tefinostat.

Target

GeneProteinUniProt
HDAC9Histone deacetylase 9Q9UKV0

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 11100
Phase 21000
All trials2

Who ran its trials

CompanyRoleYears
Chroma TherapeuticsLead sponsor of trials2008 to now