Once-daily topical metronidazole cream formulations in the treatment of the papules and pustules of rosacea

Journal of the American Academy of Dermatology
M V DahlM D Baker

Abstract

The papules and pustules of rosacea can be effectively treated with topical metronidazole. The optimal concentrations of metronidazole and optimum frequencies of application are uncertain. Traditionally, twice-daily applications have been advised, based on the pharmacokinetic profile of metronidazole. Once-daily applications may be safer and less expensive, and they may enhance patient compliance. We compared the efficacy and safety of 2 commercially available topical metronidazole formulations (0.75% metronidazole cream formulation and 1.0% metronidazole cream formulation) when both were used in a once-daily regimen. A multicenter, randomized, investigator-blind, parallel group trial was conducted at 3 separate clinical sites located in 3 US cities. The study enrolled 72 rosacea patients with at least 8 to 50 inflammatory facial lesions (pustules and papules) and moderately severe facial erythema. Patients were randomly assigned to receive either 0.75% metronidazole cream or 1.0% metronidazole cream and instructed to apply the medication once daily for 12 weeks. Patients' lesions were evaluated at baseline and at weeks 3, 6, 9, and 12. There were no significant differences between treatment groups for any of the efficacy param...Continue Reading

Citations

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