Drug

BI-671800

As of the edition of 20 October 2026, BI-671800 is a small molecule: went quiet in 2011; acts on PTGDR2.

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

The drug

Status
Went quiet, 2011
Kind
Small molecule
Registered trials
6, 0 stopped early
Disease areas
Immune system; Lungs and airways; Ear, nose and throat

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 BI-671800.

Target

GeneProteinUniProt
PTGDR2Prostaglandin D2 receptor 2Q9Y5Y4

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 13300
Phase 23300
All trials6

Who ran its trials

CompanyRoleYears
Boehringer IngelheimLead sponsor of trials2010 to now