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Loprox® Shampoo
(ciclopirox) 1 %
FOR TOPICAL USE ONLY
NOT FOR OPHTHALMIC, ORAL OR INTRAVAGINAL USE.
KEEP OUT OF REACH OF CHILDREN
LOPROX® (ciclopirox) Shampoo 1% contains the synthetic antifungal agent, ciclopirox.
Each gram (equivalent to 0.96 mL) of LOPROX Shampoo contains 10 mg ciclopirox in a shampoo base consisting of Purified Water USP, Sodium Laureth Sulfate, Disodium Laureth Sulfosuccinate, Sodium Chloride USP, and Laureth-2.
LOPROX Shampoo (ciclopirox shampoo) is a colorless, translucent solution. The chemical name for ciclopirox is 6-cyclohexyl-1-hydroxy-4-methyl-2(1H)-pyridone, 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 Shampoo (ciclopirox shampoo) is indicated for the topical treatment of seborrheic dermatitis of the scalp in adults.
Wet hair and apply approximately 1 teaspoon (5 mL) of LOPROX Shampoo (ciclopirox shampoo) to the scalp. Up to 2 teaspoons (10 mL) may be used for long hair. Lather and leave on hair and scalp for 3 minutes. A timer may be used. Avoid contact with eyes. Rinse off. Treatment should be repeated twice per week for 4 weeks, with a minimum of 3 days between applications.
If a patient with seborrheic dermatitis shows no clinical improvement after 4 weeks of treatment with LOPROX Shampoo (ciclopirox shampoo) , the diagnosis should be reviewed.
LOPROX® (ciclopirox) Shampoo 1% is supplied in 120 mL plastic bottles (NDC 99207-010-10). Discard unused product after initial treatment duration. Store between 15°C and 30°C (59°F and 86°F).
Manufactured for: MEDICIS® Pharmaceutical Corp. Scottsdale, AZ 85258. By: Patheon, Inc. Mississauga, Ontario L5N 7K9 CANADA. PRESCRIBING INFORMATION AS OF JUNE 2006. FDA Rev date: 6/12/2006
In 626 patients treated with LOPROX Shampoo (ciclopirox shampoo) twice weekly in the two pivotal clinical studies, the most frequent adverse events were increased itching in 1% of patients, and application site reactions, such as burning, erythema, and itching, also in 1% of patients. Other adverse events occurred in individual patients only.
Adverse events that led to early study medication termination in clinical trials occurred in 1.5% (26/1738) of patients treated with LOPROX Shampoo (ciclopirox shampoo) and 2.0% (12/661) of patients treated with shampoo vehicle. The most common adverse events leading to termination of study medication in either group was seborrhea. In the LOPROX Shampoo (ciclopirox shampoo) group, other adverse events included rash, pruritus, headache, ventricular tachycardia, and skin disorder. In the shampoo vehicle group, other adverse events included skin disorder and rash.
No information provided.
LOPROX Shampoo (ciclopirox shampoo) is not for ophthalmic, oral, or intravaginal use.
Keep out of reach of children.
If a reaction suggesting sensitivity or irritation should occur with the use of LOPROX Shampoo (ciclopirox shampoo) , treatment should be discontinued and appropriate therapy instituted.
Contact of LOPROX Shampoo (ciclopirox shampoo) with the eyes should be avoided. If contact occurs, rinse thoroughly with water.
Seborrheic dermatitis may appear at puberty, however, no clinical studies have been done in patients younger than 16 years. In patients with lighter hair color, hair discoloration has been rarely reported.
There is no relevant clinical experience with patients who have a history of immunosuppression (e.g., extensive, persistent, or unusual distribution of dermatomycoses, recent or recurring herpes zoster, or persistent herpes simplex), who are immunocompromised (e.g., HIV-infected patients and transplant patients), or who have a diabetic neuropathy.
Long-term animal studies have not been performed to evaluate the carcinogenic potential of LOPROX Shampoo or ciclopirox.
The following in vitro genotoxicity tests have been conducted with ciclopirox: evaluation of gene mutation in the Ames Salmonella and E. coli assays (negative); chromosome aberration assays in V79 Chinese hamster lung fibroblast cells, with and without metabolic activation (positive); chromosome aberration assays in V79 Chinese hamster lung fibroblast cells in the presence of supplemental Fe3+, with and without metabolic activation (negative); gene mutation assays in the HGPRT-test with V79 Chinese hamster lung fibroblast 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 a dosage of 5000 mg/kg body weight.
A combined oral fertility and embryofetal developmental study was conducted in rats with ciclopirox olamine. No effect on fertility or reproductive performance was noted at the highest dose tested of 3.85 mg/kg/day ciclopirox (approximately 1.3 times the maximum recommended human dose based on body surface area comparisons).
Oral embryofetal developmental studies were conducted in mice, rats, rabbits and monkeys. Ciclopirox or ciclopirox olamine was orally administered during the period of organogenesis. No maternal toxicity, embryotoxicity or teratogenicity were noted at the highest doses of 77, 125, 80 and 38.5 mg/kg/day ciclopirox in mice, rats, rabbits and monkeys, respectively (approximately 13, 42, 54 and 26 times the maximum recommended human dose based on body surface area comparisons, respectively).
Dermal embryofetal developmental studies were conducted in rats and rabbits with ciclopirox olamine dissolved in PEG 400. Ciclopirox olamine was topically administered during the period of organogenesis. No maternal toxicity, embryotoxicity or teratogenicity were noted at the highest doses of 92 mg/kg/day and 77 mg/kg/day ciclopirox in rats and rabbits, respectively (approximately 31 and 54 times the maximum recommended human dose based on body surface area comparisons, respectively).
There are no adequate or well-controlled studies of topically applied ciclopirox in pregnant women. Because animal reproduction studies are not always predictive of human response, LOPROX Shampoo (ciclopirox shampoo) should be used during pregnancy only if clearly needed.
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 Shampoo (ciclopirox shampoo) is administered to a nursing woman.
Seborrheic dermatitis may appear at puberty, however, no clinical studies have been done in patients younger than 16 years.
In clinical studies, the safety and tolerability of LOPROX Shampoo (ciclopirox shampoo) in the population 65 years and older was comparable to that of younger subjects. Results of the efficacy analysis in those patients 65 years and older showed effectiveness in 25 of 85 (29%) patients treated with LOPROX Shampoo (ciclopirox shampoo) , and in 15 of 61 (25%) patients treated with the vehicle; due to the small sample size, a statistically significant difference was not demonstrated. Other reported clinical experience has not identified differences in responses between the elderly and younger subjects, but greater sensitivity to adverse effects in some older individuals cannot be ruled out.
No information provided.
LOPROX Shampoo (ciclopirox shampoo) is contraindicated in individuals who have shown hypersensitivity to any of its components.
Ciclopirox is a hydroxypyridone antifungal agent although the relevance of this property for the indication of seborrheic dermatitis is not known. 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 a study in patients with seborrheic dermatitis of the scalp, application of 5 mL ciclopirox shampoo 1% twice weekly for 4 weeks, with an exposure time of 3 minutes per application, resulted in detectable serum concentrations of ciclopirox in 6 out of 18 patients. The serum concentrations measured throughout the dosing interval on Days 1 and 29 ranged from 10.3 ng/mL to 13.2 ng/mL. Total urinary excretion of ciclopirox was less than 0.5% of the administered dose.
In two randomized, double-blind clinical trials, patients 16 years and older with seborrheic dermatitis of the scalp applied LOPROX Shampoo (ciclopirox shampoo) or its vehicle two times per week for 4 weeks. Patients who were immunocompromised, those with psoriasis or atopic dermatitis, women of childbearing potential not using adequate contraception, and pregnant or lactating women were excluded from the clinical studies. An evaluation of the overall status of the seborrheic dermatitis, and the presence and severity of erythema or inflammation, and scaling, was made at week 4, using a scale of 0 = none, 1 = slight, 2 = mild, 3 = moderate, 4 = pronounced, and 5 = severe. Effective treatment was defined as achieving a score of 0 (or a score of 1 if the baseline score was ≥ 3) simultaneously for status of the seborrheic dermatitis, erythema or inflammation, and scaling at Week 4. Ciclopirox shampoo was shown to be statistically significantly more effective than vehicle in both studies. Efficacy results for the two studies are presented in the following table.
Effective Treatment Rates at Week 4 in Studies 1 and 2
| Ciclopirox Shampoo | Vehicle | |
| Study 1 | 220/380 (58%) | 60/192 (31%) |
| Study 2 | 65/250 (26%) | 32/249 (13%) |
Efficacy for black patients was not demonstrated, although only 53 black patients were enrolled in the two pivotal studies.
Ciclopirox is fungicidal in vitro against Malassezia furfur (Pityrosporum spp.), P. ovale, and P. orbiculare. 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.
The clinical significance of antifungal activity in the treatment of seborrheic dermatitis is not known.
The patient should be instructed to:
