Drug

Retosiban

As of the edition of 20 October 2026, Retosiban is a small molecule: went quiet in 2019; acts on OXTR.

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

The drug

Status
Went quiet, 2019
Kind
Small molecule
Registered trials
10, 3 stopped early
Disease areas
Pregnancy and women's health; Urinary and reproductive; Mental health

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 Retosiban.

Target

GeneProteinUniProt
OXTROxytocin receptorP30559

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 16501
Phase 21100
Phase 33102
All trials10

Who ran its trials

CompanyRoleYears
GSKLead sponsor of trials2006 to now