Clinical endocrinology · 2007
Pioglitazone (7.5 mg/day) added to flutamide-metformin in women with androgen excess: additional increments of visfatin and high molecular weight adiponectin.
СтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ibáñez Lourdes, López-Bermejo Abel, Díaz Marta, Enríquez Goya, Valls Carme, de Zegher Francis
Аннотация
BACKGROUND AND AIM: Low-dose pioglitazone (Pio), flutamide (Flu), metformin (Met) plus an oestro-progestagen is a novel polytherapy lowering total and visceral adiposity, and reducing carotid intima media thickness (IMT) in hyperinsulinaemic women with androgen excess, without changing their body mass index (BMI). In a search for mediators of PioFluMet's actions, we measured serum levels of visfatin and high molecular weight (HMW) adiponectin.
DESIGN AND PATIENTS: In a double-blind study, we enrolled 38 young women with hyperinsulinaemic androgen excess [mean BMI: 23.7 kg/m(2)], all of whom started on Flu (62.5 mg/day), Met (850 mg/day) and a transdermal oestro-progestagen, each for 21/28 days over 1 year. Patients were randomly assigned to receive, in addition, placebo (n = 19) or Pio (7.5 mg/day; n = 19) on the same 21/28 days.
MEASUREMENTS: Serum concentrations of visfatin and HMW adiponectin, visceral fat by magnetic resonance imaging, carotid IMT by ultrasound, all carried out during study start and after 1 year.
RESULTS: PioFluMet raised visfatin by a mean 84% and HMW adiponectin by 157% (P < 0.001), and reduced visceral fat and IMT by a mean 22% and 31% (both P < 0.001). Low-dose Pio accounted for about half of the PioFluMet effects on IMT, visfatin and HMW adiponectin.
CONCLUSION: In hyperinsulinaemic women with androgen excess, low-dose polytherapy with PioFluMet evoked striking rises in both circulating visfatin and HMW adiponectin, while lowering IMT and reducing visceral adiposity within 1 year.
DESIGN AND PATIENTS: In a double-blind study, we enrolled 38 young women with hyperinsulinaemic androgen excess [mean BMI: 23.7 kg/m(2)], all of whom started on Flu (62.5 mg/day), Met (850 mg/day) and a transdermal oestro-progestagen, each for 21/28 days over 1 year. Patients were randomly assigned to receive, in addition, placebo (n = 19) or Pio (7.5 mg/day; n = 19) on the same 21/28 days.
MEASUREMENTS: Serum concentrations of visfatin and HMW adiponectin, visceral fat by magnetic resonance imaging, carotid IMT by ultrasound, all carried out during study start and after 1 year.
RESULTS: PioFluMet raised visfatin by a mean 84% and HMW adiponectin by 157% (P < 0.001), and reduced visceral fat and IMT by a mean 22% and 31% (both P < 0.001). Low-dose Pio accounted for about half of the PioFluMet effects on IMT, visfatin and HMW adiponectin.
CONCLUSION: In hyperinsulinaemic women with androgen excess, low-dose polytherapy with PioFluMet evoked striking rises in both circulating visfatin and HMW adiponectin, while lowering IMT and reducing visceral adiposity within 1 year.