Drug

Ketoconazole

As of the edition of 20 October 2026, Ketoconazole is a small molecule: marketed, first approved in 1982 (US); acts on CYP11B1 and CYP17A1; no US protection is listed.

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

The drug

Status
Marketed; latest approval 2014
Kind
Small molecule
Brand name
Nizoral
First approved
1 January 1982 (US)
Approvals on record
10 in 5 regions
Holder of the most recent approval
Esteve Pharmaceuticals; 9 holders in all
Withdrawn from market
1 January 2011 (in some regions)
Registered trials
140, 17 stopped early
Disease areas
Cancer; Urinary and reproductive; Infections; Skin and connective tissue; Immune system; Blood and lymph

US protection

No US protection is listed.

The FDA registers list no drug-substance patent or exclusivity that counts for this drug.

This is the US only.

Companies that need a new molecule because of this drug

2 company-target rows on route B because of this drug.

Companies on route B for this drug

In the product

2 company-target rows are on route B because of Ketoconazole.

Targets

GeneProteinUniProt
CYP17A1Steroid 17-alpha-hydroxylase/17,20 lyaseP05093
CYP11B1Cytochrome P450 11B1, mitochondrialP15538

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated7301
Phase 1887765
Phase 2251418
Phase 313803
Phase 47520
All trials140

Who has held its approvals

CompanyRoleYears
Johnson & JohnsonApplicant, Later holder and Lead sponsor of trials1985 to now
StiefelLater holder2007 to now
Esteve PharmaceuticalsApplicant2014 to now
KramerAcquired holder2019 to now
Ina PharmaceuticsAcquired holder2025 to now
Rising PharmaAcquired holder2025 to now