Drug

Zosuquidar

As of the edition of 20 October 2026, Zosuquidar is a small molecule: went quiet in 2008; acts on ABCB1.

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

The drug

Status
Went quiet, 2008
Kind
Small molecule
Registered trials
3, 0 stopped early
Disease areas
Blood and lymph; Cancer; Inherited and neonatal

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 Zosuquidar.

Target

GeneProteinUniProt
ABCB1ATP-dependent translocase ABCB1P08183

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 22200
Phase 31100
All trials3

Who ran its trials

CompanyRoleYears
Kanisa PharmaceuticalsLead sponsor of trials2005 to now