Evaluation of the efficacy and tolerability of oral terbinafine (Daskil) in patients with seborrhoeic dermatitis. A multicentre, randomized, investigator-blinded, placebo-controlled trial.
BACKGROUND: Previous uncontrolled trials have suggested that oral terbinafine, an antimycotic allylamine compound, could be useful in the treatment of seborrhoeic dermatitis. OBJECTIVES: To investigate in a placebo-controlled trial the clinical efficacy of oral terbinafine (Daskil(R), Mipharm, Milan, Italy) in patients with moderate to severe seborrhoeic dermatitis. METHODS: Sixty outpatients (mean +/- SD age 37 +/- 11 years; 32 men and 28 women) with moderate to severe seborrhoeic dermatitis were enrolled in a multicentre, randomized, placebo-controlled, investigator-blinded, parallel-group, 12-week study. After a 2-week wash-out period, enrolled patients were randomized to treatment with oral terbinafine 250 mg daily (n = 30) or placebo (moisturizing ointment) (n = 30) applied twice daily for 4 weeks (weeks 0-4). Patients were followed up for an additional 8 weeks after completion of treatment and were clinically evaluated at weeks 0, 2, 4 and 12 by an investigator unaware of the patient's type of treatment. The primary end-point of the study was clinical evaluation of erythema, scaling and itching, each scored on a 0-3 scale. A global clinical score, representing the sum of each evaluated symptom, was also calculated. RESULTS: Demographic and clinical data were equally balanced between the placebo and terbinafine groups. All enrolled patients concluded the study. At baseline, the mean +/- SD global clinical score was 7.4 +/- 1.3 in the placebo group and 7.7 +/- 1.0 in the terbinafine-treated group. At weeks 4 and 12 the mean +/- SD global clinical score in the placebo group was 5.9 +/- 1.7 and 6.3 +/- 1.2, respectively, which was not significantly different from baseline. As compared with baseline values and the placebo group, terbinafine treatment significantly (P < 0.0001, Tukey-Kramer test) reduced the mean +/- SD global clinical score (to 1.0 +/- 1.1 at week 4, and 1.2 +/- 1.4 at week 12), as well as the individual erythema, scaling and itching scores. No serious adverse events were recorded during the study in either group. CONCLUSIONS: This is the first controlled trial that has shown oral terbinafine to be effective in the treatment of moderate to severe seborrhoeic dermatitis. Clinical improvement following 4 weeks treatment with terbinafine was maintained 8 weeks after completing treatment.[1]References
- Evaluation of the efficacy and tolerability of oral terbinafine (Daskil) in patients with seborrhoeic dermatitis. A multicentre, randomized, investigator-blinded, placebo-controlled trial. Scaparro, E., Quadri, G., Virno, G., Orifici, C., Milani, M. Br. J. Dermatol. (2001) [Pubmed]
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