Drug

KW-3902IV

As of the edition of 20 October 2026, KW-3902IV is a drug known only by a code name: went quiet in 2005; acts on ADORA1.

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

The drug

Status
Went quiet, 2005
Kind
Code name only
Registered trials
2, 0 stopped early
Disease areas
Heart and blood vessels; Pregnancy and women's health; Urinary and reproductive

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 KW-3902IV.

Target

GeneProteinUniProt
ADORA1Adenosine receptor A1P30542

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 22200
All trials2

Who ran its trials

CompanyRoleYears
Merck & Co.Lead sponsor of trials2004 to now