Drug

Clioquinol

As of the edition of 20 October 2026, Clioquinol is a small molecule: marketed, first approved in 1957 (CA).

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

The drug

Status
Marketed; latest approval 2020
Kind
Small molecule
Brand name
Nystaform
First approved
31 December 1957 (CA)
Approvals on record
4 in 4 regions
Holder of the most recent approval
SMARTPRACTICE DENMARK (DANEMARK); 4 holders in all
Withdrawn from market
1 January 1973 (in some regions)
Registered trials
3, 1 stopped early
Disease areas
Immune system; Blood and lymph; Cancer; Heart and blood vessels; Inherited and neonatal; Nervous system

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.

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 11001
Phase 21000
Phase 31100
All trials3

Who has held its approvals

CompanyRoleYears
Knight TherapeuticsApplicant1957 to now