Last Updated: November 8, 2026

NIZORAL Drug Patent Profile

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Which patents cover Nizoral, and what generic alternatives are available?

Nizoral is a drug marketed by Janssen Pharma, Janssen Pharms, and Kramer. and is included in five NDAs.

The generic ingredient in NIZORAL is ketoconazole. There is one drug master file entry for this compound. Thirty-one suppliers are listed for this compound. Additional details are available on the ketoconazole profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Nizoral

A generic version of NIZORAL was approved as ketoconazole by TARO on June 15th, 1999.

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Summary for NIZORAL
US Patents:0
Applicants:3
NDAs:5
Raw Ingredient (Bulk) Api Vendors: 67
Clinical Trials: 34
Patent Applications: 2,336
Drug Prices: Drug price information for NIZORAL
What excipients (inactive ingredients) are in NIZORAL?NIZORAL excipients list
DailyMed Link:NIZORAL at DailyMed
Recent Clinical Trials for NIZORAL

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Fernando De la Garza SalazarPhase 2
Hospital Universitario Dr. Jose E. GonzalezPhase 2
Milton S. Hershey Medical CenterEarly Phase 1

See all NIZORAL clinical trials

US Patents and Regulatory Information for NIZORAL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Janssen Pharma NIZORAL ketoconazole CREAM;TOPICAL 019084-001 Dec 31, 1985 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Janssen Pharms NIZORAL ketoconazole TABLET;ORAL 018533-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Janssen Pharms NIZORAL ketoconazole SHAMPOO;TOPICAL 019927-001 Aug 31, 1990 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Janssen Pharma NIZORAL ketoconazole SUSPENSION;ORAL 070767-001 Nov 7, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Kramer NIZORAL ANTI-DANDRUFF ketoconazole SHAMPOO;TOPICAL 020310-001 Oct 10, 1997 OTC Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for NIZORAL

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Janssen Pharms NIZORAL ketoconazole SHAMPOO;TOPICAL 019927-001 Aug 31, 1990 ⤷  Start Trial ⤷  Start Trial
Janssen Pharma NIZORAL ketoconazole CREAM;TOPICAL 019084-001 Dec 31, 1985 ⤷  Start Trial ⤷  Start Trial
Janssen Pharms NIZORAL ketoconazole TABLET;ORAL 018533-001 Approved Prior to Jan 1, 1982 ⤷  Start Trial ⤷  Start Trial
Janssen Pharms NIZORAL ketoconazole SHAMPOO;TOPICAL 019927-001 Aug 31, 1990 ⤷  Start Trial ⤷  Start Trial
Janssen Pharma NIZORAL ketoconazole CREAM;TOPICAL 019084-001 Dec 31, 1985 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

EU/EMA Drug Approvals for NIZORAL

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
HRA Pharma Rare Diseases Ketoconazole HRA ketoconazole EMEA/H/C/003906Ketoconazole HRA is indicated for the treatment of endogenous Cushing’s syndrome in adults and adolescents above the age of 12 years. Authorised no no yes 2014-11-18
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

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