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FDA Drug information

Ketoconazole

Read time: 1 mins
Marketing start date: 23 Dec 2024

Summary of product characteristics


Adverse Reactions

ADVERSE REACTIONS During clinical trials 45 (5%) of 905 patients treated with Ketoconazole Cream, 2% and 5 (2.4%) of 208 patients treated with placebo reported side effects consisting mainly of severe irritation, pruritus and stinging. One of the patients treated with ketoconazole cream developed a painful allergic reaction. In worldwide postmarketing experience, rare reports of contact dermatitis have been associated with ketoconazole cream or one of its excipients, namely sodium sulfite or propylene glycol. To report SUSPECTED ADVERSE REACTIONS, contact Encube Ethicals Private Limited at 1-833-285-4151 or FDA at 1-800- FDA-1088 or www.fda.gov/medwatch.

Contraindications

CONTRAINDICATIONS Ketoconazole Cream, 2% is contraindicated in persons who have shown hypersensitivity to the active or excipient ingredients of this formulation.

Description

DESCRIPTION Ketoconazole Cream, 2% contains the broad-spectrum synthetic antifungal agent, ketoconazole 2%. Each gram, for topical administration, contains ketoconazole 20 mg and is formulated in an aqueous cream vehicle consisting of propylene glycol, purified water, cetyl alcohol, stearyl alcohol, isopropyl myristate, sorbitan monostearate, polysorbate 60, polysorbate 80, and sodium sulfite, anhydrous: Ketoconazole is cis-1-acetyl-4-[4-[[2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl] piperazine and has the following structural formula: M. Formula: C 26 H 28 Cl 2 N 4 O 4 M.W.: 531.44 Ketoconazole Structure

Dosage And Administration

DOSAGE AND ADMINISTRATION Cutaneous candidiasis, tinea corporis, tinea cruris, tinea pedis, and tinea (pityriasis) versicolor: It is recommended that Ketoconazole Cream, 2% be applied once daily to cover the affected and immediate surrounding area. Clinical improvement may be seen fairly soon after treatment is begun; however, candidal infections and tinea cruris and corporis should be treated for two weeks in order to reduce the possibility of recurrence. Patients with tinea versicolor usually require two weeks of treatment . Patients with tinea pedis require six weeks of treatment. If a patient shows no clinical improvement after the treatment period, the diagnosis should be redetermined. Seborrheic dermatitis : Ketoconazole cream, 2% should be applied to the affected area twice daily for four weeks or until no clinical clearing. If a patient shows no clinical improvement after the treatment period, the diagnosis should be redetermined.

Indications And Usage

INDICATIONS AND USAGE Ketoconazole Cream, 2% is indicated for the topical treatment of tinea corporis, tinea cruris and tinea pedis caused by Trichophyton rubrum , T. mentagrophytes and Epidermophyton floccosum ; in the treatment of tinea (pityriasis) versicolor caused by Malassezia furfur (Pityrosporum orbiculare) ; and in the treatment of cutaneous candidiasis caused by Candida spp . and in the treatment of seborrheic dermatitis.

Warnings

WARNINGS Ketoconazole Cream, 2% is not for ophthalmic use. Ketoconazole Cream, 2% contains sodium sulfite anhydrous, a sulfite that may cause allergic-type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite sensitivity in the general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than in nonasthmatic people.

Clinical Pharmacology

CLINICAL PHARMACOLOGY When Ketoconazole Cream, 2% was applied dermally to intact or abraded skin of Beagle dogs for 28 consecutive days at a dose of 80 mg, there were no detectable plasma levels using an assay method having a lower detection limit of 2 ng/ml. After a single topical application to the chest, back and arms of normal volunteers, systemic absorption of ketoconazole was not detected at the 5 ng/ml level in blood over a 72-hour period. Two dermal irritancy studies, a human sensitization test, a phototoxicity study and a photoallergy study conducted in 38 male and 62 female volunteers showed no contact sensitization of the delayed hypersensitivity type, no irritation, no phototoxicity and no photoallergenic potential due to Ketoconazole Cream, 2%. Microbiology: Ketoconazole is a broad spectrum synthetic antifungal agent which inhibits the in vitro growth of the following common dermatophytes and yeasts by altering the permeability of the cell membrane: dermatophytes: Trichophyton rubrum, T. mentagrophytes, T. tonsurans, Microsporum canis, M. audouini, M. gypseum and Epidermophyton floccosum ; yeasts: Candida albicans , Malassezia ovale (Pityrosporum ovale) and C. tropicalis ; and the organism responsible for tinea versicolor, Malassezia furfur (Pityrosporum orbiculare) . Only those organisms listed in the INDICATIONS AND USAGE Section have been proven to be clinically affected. Development of resistance to ketoconazole has not been reported. Mode of Action: In vitro studies suggest that ketoconazole impairs the synthesis of ergosterol, which is a vital component of fungal cell membranes. It is postulated that the therapeutic effect of ketoconazole in seborrheic dermatitis is due to the reduction of M. ovale , but: this has not been proven.

Effective Time

20230717

Version

2

Spl Product Data Elements

Ketoconazole Ketoconazole Cream, 2% PROPYLENE GLYCOL WATER CETYL ALCOHOL STEARYL ALCOHOL ISOPROPYL MYRISTATE SORBITAN MONOSTEARATE POLYSORBATE 60 POLYSORBATE 80 SODIUM SULFITE KETOCONAZOLE KETOCONAZOLE

Carcinogenesis And Mutagenesis And Impairment Of Fertility

Carcinogenesis, Mutagenesis, Impairment of Fertility A long-term feeding study in Swiss Albino mice and in Wistar rats showed no evidence of oncogenic activity. The dominant lethal mutation test in male and female mice revealed that single oral doses of ketoconazole as high as 80 mg/kg produced no mutation in any stage of germ cell development. The Ames' Salmonella microsomal activator assay was also negative.

Application Number

ANDA212443

Brand Name

Ketoconazole

Generic Name

Ketoconazole Cream, 2%

Product Ndc

68788-8233

Product Type

HUMAN PRESCRIPTION DRUG

Route

TOPICAL

Package Label Principal Display Panel

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL Ketoconazole Cream 2%, KETOCONAZOLE CREAM 2% 68788-8233-3 Rx only 15 g FOR DERMATOLOGIC USE ONLY. Ketoconazole Cream 2%

Nursing Mothers

Nursing Mothers It is not known whether Ketoconazole Cream, 2% administered topically could result in sufficient systemic absorption to produce detectable quantities in breast milk. Nevertheless, a decision should be made whether to discontinue nursing or discontinue the drug, taking into account the importance of the drug to the mother.

Pediatric Use

Pediatric Use Safety and effectiveness in children have not been established.

Pregnancy

Pregnancy Teratogenic effects Pregnancy Category C Ketoconazole has been shown to be teratogenic (syndactylia and oligodactylia) in the rat when given orally in the diet at 80 mg/kg/day, (10 times the maximum recommended human oral dose). However, these effects may be related to maternal toxicity, which was seen at this and higher dose levels. There are no adequate and well-controlled studies in pregnant women. Ketoconazole should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

How Supplied

HOW SUPPLIED Ketoconazole Cream, 2% is supplied in 30gram tube. 15 g tube 68788-8233-1 30 g tube 68788-8233-3 STORAGE Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature]. Mfg Lic No. : 361 Manufactured by : Encube Ethicals Pvt. Ltd. Plot No. C-1, Madkaim Industrial Estate, Madkaim, Post: Mardol, Ponda, Goa - 403 404, India. Distributed by: Encube Ethicals, Inc. 200 Meredith Avenue, Suite 101A Durham, NC 27713 USA Rev: 03 May 2021 Relabeled By: Preferred Pharmaceuticals Inc. Encube logo

General Precautions

General If a reaction suggesting sensitivity or chemical irritation should occur, use of the medication should be discontinued. Hepatitis (1:10,000 reported incidence) and, at high doses, lowered testosterone and ACTH induced corticosteroid serum levels have been seen with orally administered ketoconazole; these effects have not been seen with topical ketoconazole.

Precautions

PRECAUTIONS General If a reaction suggesting sensitivity or chemical irritation should occur, use of the medication should be discontinued. Hepatitis (1:10,000 reported incidence) and, at high doses, lowered testosterone and ACTH induced corticosteroid serum levels have been seen with orally administered ketoconazole; these effects have not been seen with topical ketoconazole. Carcinogenesis, Mutagenesis, Impairment of Fertility A long-term feeding study in Swiss Albino mice and in Wistar rats showed no evidence of oncogenic activity. The dominant lethal mutation test in male and female mice revealed that single oral doses of ketoconazole as high as 80 mg/kg produced no mutation in any stage of germ cell development. The Ames' Salmonella microsomal activator assay was also negative. Pregnancy Teratogenic effects Pregnancy Category C Ketoconazole has been shown to be teratogenic (syndactylia and oligodactylia) in the rat when given orally in the diet at 80 mg/kg/day, (10 times the maximum recommended human oral dose). However, these effects may be related to maternal toxicity, which was seen at this and higher dose levels. There are no adequate and well-controlled studies in pregnant women. Ketoconazole should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Nursing Mothers It is not known whether Ketoconazole Cream, 2% administered topically could result in sufficient systemic absorption to produce detectable quantities in breast milk. Nevertheless, a decision should be made whether to discontinue nursing or discontinue the drug, taking into account the importance of the drug to the mother. Pediatric Use Safety and effectiveness in children have not been established.

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