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All about: Loprox cream

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Generic Name: ciclopirox olamine
Dosage Form: Cream

FOR DERMATOLOGIC USE ONLY.
NOT FOR USE IN EYES.

Rx Only

Loprox Description

Loprox® Cream (ciclopirox) 0.77% is for topical use.

Each gram of Loprox® Cream contains 7.70 mg of ciclopirox (as ciclopirox olamine) in a water miscible vanishing cream base consisting of Purified Water USP, Cetyl Alcohol NF, Light Mineral Oil NF, Octyldodecanol NF, Stearyl Alcohol NF, Polysorbate 60 NF, Myristyl Alcohol, Sorbitan Monostearate NF, Lactic Acid USP, and Benzyl Alcohol NF (1%) as preservative.

Loprox® Cream contains a synthetic, broad-spectrum, antifungal agent ciclopirox (as ciclopirox olamine). The chemical name is 6-cyclohexyl-1-hydroxy-4-methyl-2(1H)-pyridone, 2-aminoethanol salt.

The CAS Registry Number is 41621-49-2. The chemical structure is:

Loprox - Clinical Pharmacology

Ciclopirox is a broad-spectrum, antifungal agent that inhibits the growth of pathogenic dermatophytes, yeasts, and Malassezia furfur. Ciclopirox exhibits fungicidal activity in vitro against isolates of Trichophyton rubrum, Trichophyton mentagrophytes, Epidermophyton floccosum, Microsporum canis, and Candida albicans.

Pharmacokinetic studies in men with tagged ciclopirox solution in polyethylene glycol 400 showed an average of 1.3% absorption of the dose when it was applied topically to 750 cm2 on the back followed by occlusion for 6 hours. The biological half-life was 1.7 hours and excretion occurred via the kidney. Two days after application only 0.01% of the dose applied could be found in the urine. Fecal excretion was negligible.

Penetration studies in human cadaverous skin from the back, with Loprox® Cream with tagged ciclopirox showed the presence of 0.8 to 1.6% of the dose in the stratum corneum 1.5 to 6 hours after application. The levels in the dermis were still 10 to 15 times above the minimum inhibitory concentrations.

Autoradiographic studies with human cadaverous skin showed that ciclopirox penetrates into the hair and through the epidermis and hair follicles into the sebaceous glands and dermis, while a portion of the drug remains in the stratum corneum.

Draize Human Sensitization Assay, 21-Day Cumulative Irritancy study, Phototoxicity study, and Photo-Draize study conducted in a total of 142 healthy male subjects showed no contact sensitization of the delayed hypersensitivity type, no irritation, no phototoxicity, and no photo-contact sensitization due to Loprox® Cream.

Indications and Usage for Loprox

Loprox® Cream is indicated for the topical treatment of the following dermal infections: tinea pedis, tinea cruris, and tinea corporis due to Trichophyton rubrum, Trichophyton mentagrophytes, Epidermophyton floccosum, and Microsporum canis; candidiasis (moniliasis) due to Candida albicans; and tinea (pityriasis) versicolor due to Malassezia furfur.

Contraindications

Loprox® Cream is contraindicated in individuals who have shown hypersensitivity to any of its components.

Warnings

Loprox® Cream is not for ophthalmic use.
Keep out of reach of children.

Precautions

If a reaction suggesting sensitivity or chemical irritation should occur with the use of Loprox® Cream, treatment should be discontinued and appropriate therapy instituted.

Information for Patients

The patient should be told to:

  1. Use the medication for the full treatment time even though symptoms may have improved and notify the physician if there is no improvement after four weeks.
  2. Inform the physician if the area of application shows signs of increased irritation (redness, itching, burning, blistering, swelling, or oozing) indicative of possible sensitization.
  3. Avoid the use of occlusive wrappings or dressings.

Carcinogenesis, Mutagenesis, Impairment of Fertility

A carcinogenicity study in female mice dosed cutaneously twice per week for 50 weeks followed by a 6-month drug-free observation period prior to necropsy revealed no evidence of tumors at the application site.

The following in vitro and in vivo genotoxicity tests have been conducted with ciclopirox olamine: studies to evaluate gene mutation in the Ames Salmonella/Mammalian Microsome Assay (negative) and Yeast Saccharomyces Cerevisiae Assay (negative) and studies to evaluate chromosome aberrations in vivo in the Mouse Dominant Lethal Assay and in the Mouse Micronucleus Assay at 500 mg/kg (negative).

The following battery of in vitro genotoxicity tests were conducted with ciclopirox: a chromosome aberration assay in V79 Chinese Hamster Cells, with and without metabolic activation (positive); a gene mutation assay in the HGPRT - test with V79 Chinese Hamster Cells (negative); and a primary DNA damage assay (i.e., unscheduled DNA Synthesis Assay in A549 Human Cells (negative)). An in vitro Cell Transformation Assay in BALB/C3T3 Cells was negative for cell transformation. In an in vivo Chinese Hamster Bone Marrow Cytogenetic Assay, ciclopirox was negative for chromosome aberrations at 5,000 mg/kg.

Pregnancy Category B

Reproduction studies have been performed in the mouse, rat, rabbit, and monkey (via various routes of administration) at doses 10 times or more the topical human dose and have revealed no significant evidence of impaired fertility or harm to the fetus due to ciclopirox. There are, however, no adequate or well-controlled studies in pregnant woman. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed.

Nursing Mothers

It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Loprox® Cream is administered to a nursing woman.

Pediatric Use

Safety and effectiveness in pediatric patients below the age of 10 years have not been established.

Adverse Reactions

In all controlled clinical studies with 514 patients using Loprox® Cream and in 296 patients using the vehicle cream, the incidence of adverse reactions was low. This included pruritus at the site of application in one patient and worsening of the clinical signs and symptoms in another patient using ciclopirox cream and burning in one patient and worsening of the clinical signs and symptoms in another patient using the vehicle cream.

Loprox Dosage and Administration

Gently massage Loprox® Cream into the affected and surrounding skin areas twice daily, in the morning and evening. Clinical improvement with relief of pruritus and other symptoms usually occurs within the first week of treatment. If a patient shows no clinical improvement after four weeks of treatment with Loprox® Cream, the diagnosis should be redetermined. Patients with tinea versicolor usually exhibit clinical and mycological clearing after two weeks of treatment.

How is Loprox Supplied

Loprox® Cream (ciclopirox) 0.77% is supplied in 15 gram (NDC 99207-015-15), 30 gram (NDC 99207-015-30), and 90 gram (NDC 99207-015-90) tubes.

Store at 15°– 30°C (59°– 86°F).

Manufactured for:
MEDICIS, The Dermatology Company®
Scottsdale, AZ 85258

Prescribing Information as of January 2005.

REG TM MEDICIS

IN – 5184/S
158199/2


Loprox (ciclopirox olamine)
PRODUCT INFO
Product Code 99207-015 Dosage Form CREAM
Route Of Administration TOPICAL DEA Schedule
INGREDIENTS
Name (Active Moiety) Type Strength
ciclopirox olamine (ciclopirox) Active 7.7 MILLIGRAM  In 1 GRAM
Water Inactive  
Cetyl Alcohol Inactive  
Light Mineral Oil Inactive  
Octyldodecanol Inactive  
Stearyl Alcohol Inactive  
Polysorbate 60 Inactive  
Myristyl Alcohol Inactive  
Sorbitan Monostearate Inactive  
Lactic Acid Inactive  
Benzyl Alcohol (1%) Inactive  
IMPRINT INFORMATION
Characteristic Appearance Characteristic Appearance
Color Score
Shape Symbol
Imprint Code Coating
Size
PACKAGING
# NDC Package Description Multilevel Packaging
1 99207-015-15 15 GRAM In 1 TUBE None
2 99207-015-30 30 GRAM In 1 TUBE None
3 99207-015-90 90 GRAM In 1 TUBE None

Revised: 03/2007

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