Drug

Lefradafiban

As of the edition of 20 October 2026, Lefradafiban is a small molecule: went quiet in 1999; acts on ITGA2B.

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

The drug

Status
Went quiet, 1999
Kind
Small molecule
Registered trials
3, 0 stopped early

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 Lefradafiban.

Target

GeneProteinUniProt
ITGA2BIntegrin alpha-IIbP08514

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 13300
All trials3

Who ran its trials

CompanyRoleYears
Boehringer IngelheimLead sponsor of trials1998 to now