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Loprox Topical Suspension

Generic Name: ciclopirox
Dosage Form: topical suspension

LOPROX®
TOPICAL SUSPENSION
(ciclopirox) 0.77% (w/w)

FOR DERMATOLOGIC USE ONLY.
NOT FOR USE IN EYES.

Rx Only

Loprox Topical Suspension Description

LOPROX® Topical Suspension (ciclopirox) 0.77% is for topical use.

Each gram of LOPROX® Topical Suspension contains 7.70 mg of ciclopirox (as ciclopirox olamine) in a water miscible suspension base consisting of Purified Water USP, Cocamide DEA, Octyldodecanol NF, Mineral Oil USP, Stearyl Alcohol NF, Cetyl Alcohol NF, Polysorbate 60 NF, Myristyl Alcohol NF, Lactic Acid USP, Sorbitan Monostearate NF, and Benzyl Alcohol NF (1%) as preservative.

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LOPROX® Topical Suspension 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.

LOPROX® Topical Suspension has a pH of 7.

The chemical structure is:

Loprox Topical Suspension - 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 radiolabeled 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. Autoradiographic studies with human cadaver 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. In vitro penetration studies in frozen or fresh excised human cadaver and pig skin indicated that the penetration of LOPROX® Topical Suspension is equivalent to that of LOPROX® Cream (ciclopirox olamine) 0.77%. Therapeutic equivalence of cream and suspension formulations also was indicated by studies of experimentally induced guinea pig and human trichophytosis.

Indications and Usage for Loprox Topical Suspension

LOPROX® Topical Suspension 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; cutaneous candidiasis (moniliasis) due to Candida albicans; and tinea (pityriasis) versicolor due to Malassezia furfur.

Contraindications

LOPROX® Topical Suspension is contraindicated in individuals who have shown hypersensitivity to any of its components.

Warnings

General

LOPROX® Topical Suspension 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® Topical Suspension, 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 signs/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, 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 5000 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 women. 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. Caution should be exercised when LOPROX® Topical Suspension 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 the controlled clinical trial with 89 patients using LOPROX® Topical Suspension and 89 patients using the vehicle, the incidence of adverse reactions was low. Those considered possibly related to treatment or occurring in more than one patient were pruritus, which occurred in two patients using ciclopirox topical suspension and one patient using the suspension vehicle, and burning, which occurred in one patient using ciclopirox topical suspension.

Loprox Topical Suspension Dosage and Administration

Gently massage LOPROX® Topical Suspension 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® Topical Suspension the diagnosis should be redetermined. Patients with tinea versicolor usually exhibit clinical and mycological clearing after two weeks of treatment.

How is Loprox Topical Suspension Supplied

LOPROX® Topical Suspension (ciclopirox) 0.77% is supplied in 30 mL bottles (NDC 99207-022-30), and 60 mL bottles (NDC 99207-022-60).

Bottle space provided to allow for vigorous shaking before each use.

Store between 5°– 25°C (41°– 77°F).

US Patent Pending

Prescribing Information as of May 2003.

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

REG TM MEDICIS

IN-5165/S

LOPROX 
ciclopirox suspension
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:99207-022
Route of Administration TOPICAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
ciclopirox olamine (ciclopirox) ciclopirox 7.7 mg  in 1 g
Inactive Ingredients
Ingredient Name Strength
Water  
Cocamide DEA  
Octyldodecanol  
Mineral Oil  
Stearyl Alcohol  
Cetyl Alcohol  
Polysorbate 60  
Myristyl Alcohol  
Lactic Acid  
Sorbitan Monostearate  
Benzyl Alcohol (1%)  
Packaging
# Item Code Package Description
1 NDC:99207-022-30 30 mL (30 MILLILITER) in 1 BOTTLE
2 NDC:99207-022-60 60 mL (60 MILLILITER) in 1 BOTTLE
Labeler - MEDICIS, The Dermatology Company
Revised: 11/2006
 
MEDICIS, The Dermatology Company
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