The Evaluation of the Role of Androgens in Hirsutism and the Use of a New Anti-Androgen Cyproterone Acetate for Therapy

    July 1974 in “ ˜The œJournal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism ”
    A. A. A. Ismail, D. W. Davidson, A. R. Souka, Erin Barnes, W. J. Irvine, H. Kilimnik, Y.E. Vanderbeeken
    TLDR Cyproterone acetate combined with ethinyl estradiol significantly reduced hirsutism in women.
    In a study from 1974, researchers found that hirsutism in women was associated with elevated testosterone levels, as evidenced by a significant difference in mean plasma testosterone between normal women (14 participants) and hirsute women (26 participants). Short-term adrenal stimulation and suppression tests yielded inconsistent results, but long-term suppression with dexamethasone or an oral contraceptive pill showed a dual contribution of the adrenal glands and ovaries to androgen levels, without significant improvement in hirsutism. However, treatment with the anti-androgen cyproterone acetate (CA), in combination with ethinyl estradiol (EE) to maintain menstrual cycle regularity and prevent pregnancy, led to a marked reduction in hirsutism in 5 patients over 12 months. This treatment decreased the frequency of shaving from 3 times per week to 3 times per month, although hair growth rate increased again after stopping CA. Plasma and urinary testosterone levels were also reduced during therapy.
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