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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Flutamide-metformin plus ethinylestradiol-drospirenone for lipolysis and antiatherogenesis in young women with ovarian hyperandrogenism: the key role of metformin at the start and after more than one year of therapy.

Flutamide (Flu)-metformin (Met) with ethinylestradiol-drospirenone is a combination therapy that reduces the total and abdominal fat excess, diminishes the lean mass deficit, and attenuates the dysadipocytokinemia of young and nonobese women with ovarian hyperandrogenism, a variant of polycystic ovary syndrome. We have now questioned the need: 1) to add Met at the start of Flu plus ethinylestradiol-drospirenone; and 2) to maintain Met after more than 1 yr on full combination therapy.The additive effects of Met (850 mg/d) were assessed in studies A and B, over 3 months, in young patients with hyperinsulinemic hyperandrogenism. In study A, all participants [n = 31; age approximately 16 yr; body mass index approximately 22 kg/m(2)] started on Flu (62.5 mg/d) and an oral contraceptive (ethinyl-estradiol + drospirenone), and they were randomized to receive Met in addition or not. In study B, all participants (n = 42; age approximately 19 yr; body mass index approximately 22 kg/m(2)) had been treated with Flu-Met plus the same contraceptive for a mean duration of 17 months, and they were randomized for discontinuation of Met or not. Fasting blood glucose, serum insulin, testosterone, lipid profile, adiponectin, and IL-6 were determined at the start and after 3 months, together with body composition, by dual energy x-ray absorptiometry.The results of studies A and B complemented each other; the addition of Met was found to have consistently (more) normalizing effects on IL-6 and adiponectin, on lean mass (mean Met benefit of +1.2 kg in study A and +0.6 kg in study B), and in particular on abdominal fat excess [Met benefit of -0.7 kg (A) and -0.3 kg (B)].In conclusion, Met proved to be a pivotal component of a prime combination therapy that attenuates the dysadipocytokinemia, the lean mass deficit, and the central adiposity of young patients with polycystic ovary syndrome.[1]


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