• L Carlborg.
• Acta Obstet Gynecol Scand Suppl. 1986 Jan 1; 134: 29-32.

AbstractIn spite of an abundant literature on antiandrogen treatment with cyproterone acetate (CA) there have been no objectively measured results to prove statistically the possible superiority of CA over combined oral contraceptive pills in the treatment of acne vulgaris. A multicenter study was therefore done, in which two preparations containing CA in combination with ethinylestradiol (EE) were compared with a marketed combined oral contraceptive pill. The preparations studied were: CA 2 mg + EE 50 micrograms (Diane), CA 2 mg + EE 35 micrograms (Diane mite), Levonorgestrel 150 micrograms + EE 30 micrograms (Neovletta). A woman was eligible for the study if she was found by a dermatologist to have at least eight acne lesions (sum of papules, pustules, cysts and nodules) on her face, was otherwise healthy and without medication. After a primary assessment of the number of acne lesions by the dermatologist the woman was referred to a gynecologist and given one of the three test preparations double-blind and at random. The treatment was to continue for 6 months. 133 women were recruited at eight different centers. The groups thus constituted were of similar size and comparable with regard to age, degree of acne, and menstrual and contraceptive histories. As the number of acne lesions varied considerably between patients all data were converted into percentage change during treatment before they were processed in a computer. After only 4 months of treatment the patients on Diane and Diane mite had a significantly greater reduction in the number of acne lesions compared with those on Neovletta.(ABSTRACT TRUNCATED AT 250 WORDS)

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