Drug

Amcenestrant

As of the edition of 20 October 2026, Amcenestrant is a small molecule: stopped in 2025; acts on ESR1.

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

The drug

Status
Stopped, 2025
Kind
Small molecule
Registered trials
9, 7 stopped early
Disease areas
Cancer; Skin and connective tissue; 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 B because of this drug.

Companies on route B for this drug

In the product

1 company is on route B because of Amcenestrant.

Target

GeneProteinUniProt
ESR1Estrogen receptorP03372

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 13102
Phase 24013
Phase 32002
All trials9

Who ran its trials

CompanyRoleYears
SanofiLead sponsor of trials2017 to now