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Loprox® Gel
(ciclopirox) 0.77%
LOPROX® Gel (ciclopirox) 0.77% contains a synthetic antifungal agent, ciclopirox. It is intended for topical dermatologic use only.
Each gram of LOPROX® Gel contains 7.70 mg of ciclopirox in a gel consisting of Purified Water USP, Isopropyl Alcohol USP, Octyldodecanol NF, Dimethicone Copolyol 190, Carbomer 980, Sodium Hydroxide NF, and Docusate Sodium USP.
LOPROX® Gel (ciclopirox gel) is a white, slightly fluid gel.
The chemical name for ciclopirox is 6-cyclohexyl-1-hydroxy-4-methyl-2(1H)- pyridinone, with the empirical formula C12H17NO2 and a molecular weight of 207.27. The CAS Registry Number is [29342-05-0]. The chemical structure is:
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LOPROX® GeI is indicated for the topical treatment of interdigital tinea pedis and tinea corporis due to Trichophyton rubrum, Trichophyton mentagrophytes, or Epidermophyton floccosum.
LOPROX® Gel (ciclopirox gel) is indicated for the topical treatment of seborrheic dermatitis of the scalp.
Gently massage LOPROX® Gel (ciclopirox gel) into the affected areas and surrounding skin twice daily, in the morning and evening immediately after cleaning or washing the areas to be treated. Interdigital tinea pedis and tinea corporis should be treated for 4 weeks. If a patient shows no clinical improvement after 4 weeks of treatment, the diagnosis should be reviewed.
Apply LOPROX Gel (ciclopirox gel) to affected scalp areas twice daily, in the morning and evening for 4 weeks. Clinical improvement usually occurs within the first week with continuing resolution of signs and symptoms through the fourth week of treatment. If a patient shows no clinical improvement after 4 weeks of treatment, the diagnosis should be reviewed.
LOPROX® Gel (ciclopirox) 0.77% is supplied in 30 g tubes (NDC 99207-013-30), and 45 g tubes (NDC 99207-013-45).
Store at 15° - 30°C (59° - 86°F).
Prescribing Information as of September 2001. Manufactured for: MEDICIS, The Dermatology Company® Scottsdale, AZ 85258. By: Aventis Pharma Deutschland GmbH, D-65926 Frankfurt am Main. Made in Germany. FDA Rev date: 3/26/2003
In clinical trials, 140 (39%) of 359 subjects treated with LOPROX® Gel (ciclopirox gel) reported adverse experiences, irrespective of relationship to test materials, which resulted in 8 subjects discontinuing treatment. The most frequent experience reported was skin burning sensation upon application, which occurred in approximately 34% of seborrheic dermatitis patients and 7% of tinea pedis patients. Adverse experiences occurring between 1% to 5% were contact dermatitis and pruritus. Other reactions that occurred in less than 1% included dry skin, acne, rash, alopecia, pain upon application, eye pain, and facial edema.
No information provided.
LOPROX® Gel (ciclopirox gel) is not for ophthalmic, oral, or intravaginal use.
Keep out of reach of children.
If a reaction suggesting sensitivity or chemical irritation should occur with the use of LOPROX® Gel (ciclopirox gel) , treatment should be discontinued and appropriate therapy instituted. A transient burning sensation may occur, especially after application to sensitive areas. Avoid contact with eyes. Efficacy of LOPROX® Gel in immunosuppressed individuals has not been studied. Seborrheic dermatitis in association with acne, atopic dermatitis, Parkinsonism, psoriasis and rosacea has not been studied with LOPROX® Gel (ciclopirox gel) . Efficacy in the treatment of plantar and vesicular types of tinea pedis has not been established.
A carcinogenicity study of ciclopirox (1% and 5% solutions in polyethylene glycol 400) 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 battery of in vitro genotoxicity tests was conducted with ciclopirox: evaluation of gene mutation in the Ames Salmonella and E. coli assays (negative); chromosome aberration assays in V79 Chinese hamster cells, with and without metabolic activation (positive); gene mutation assays 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/c 3T3 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.
Reproduction studies of ciclopirox revealed no significant evidence of impaired fertility in rats exposed orally up to 5 mg/kg body weight (approximately 5 times the maximum recommended topical human dose based on surface area). No fetotoxicity was shown due to ciclopirox in the mouse, rat, rabbit, and monkey at oral doses up to 100, 30, 30, and 50 mg/kg body weight, respectively (approximately 37.5, 30, 44, and 77 times the maximum recommended topical human dose based on surface area). By the dermal route of administration, no fetotoxicity was shown due to ciclopirox in the rat and rabbit at doses up to 120 and 100 mg/kg body weight, respectively (approximately 121 and 147 times, respectively, the maximum recommended topical human dose based on surface area).
There are no adequate or well-controlled studies of topically applied ciclopirox in pregnant women. LOPROX® Gel (ciclopirox gel) should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
It is not known whether this drug is excreted in human milk. Since many drugs are excreted in human milk, caution should be exercised when LOPROX® Gel (ciclopirox gel) is administered to a nursing woman.
The efficacy and safety of LOPROX® Gel (ciclopirox gel) in pediatric patients below the age of 16 years have not been established.
No information provided.
LOPROX® Gel (ciclopirox gel) is contraindicated in individuals who have shown hypersensitivity to any of its components.
Ciclopirox acts by chelation of polyvalent cations (Fe3+ or Al3+) resulting in the inhibition of the metal-dependent enzymes that are responsible for the degradation of peroxides within the fungal cell.
In vitro studies showed that ciclopirox inhibited the formation of 5-lipoxygenase inflammatory mediators (5-HETE and LTB4) and also inhibited PGE2 release in a cell culture model. In vivo, ciclopirox inhibited inflammation in an arachidonic acid-induced murine ear edema model. The clinical significance of these findings is unknown.
A comparative study of the pharmacokinetics of LOPROX® GeI and LOPROX® Cream (ciclopirox olamine) 0.77% in 18 healthy males indicated that systemic absorption of ciclopirox from LOPROX® Gel (ciclopirox gel) was higher than that of LOPROX® Cream. A 5 gm dose of LOPROX® Gel (ciclopirox gel) produced a mean (±SD) peak serum concentration of 25.02 (±20.6) ng/mL total ciclopirox and 5 gm of LOPROX® Cream produced 18.62 (±13.56) ng/mL total ciclopirox. Approximately 3% of the applied ciclopirox was excreted in the urine within 48 hours after application, with a renal elimination half-life of about 5.5 hours.
In a study of LOPROX® Gel (ciclopirox gel) , 16 men with moderate to severe tinea cruris applied approximately 15 grams/day of the gel for 14.5 days. The mean (±SD) dose-normalized values of Cmax for total ciclopirox in serum were 100 (±42) ng/mL on Day 1 and 238 (±144) ng/mL on Day 15. During the 10 hours after dosing on Day 1, approximately 10% of the administered dose was excreted in the urine.
Ciclopirox is a hydroxypyridinone antifungal agent that inhibits the growth of pathogenic dermatophytes. Ciclopirox has been shown to be active against most strains of the following microorganisms both in vitro and in clinical infections as described in the INDICATIONS AND USAGE section:
Trichophyton rubrum, Trichophyton mentagrophytes, and Epidermophyton floccosum.
The patient should be told the following:
