Effects of tesamorelin, a growth hormone-releasing factor, in HIV-infected patients with abdominal fat accumulation: a randomized placebo-controlled trial with a safety extension

Journal of Acquired Immune Deficiency Syndromes : JAIDS
Julian FalutzSteven Grinspoon

Abstract

HIV-infected patients receiving antiretroviral therapy often demonstrate excess visceral fat. A growth hormone-releasing factor, tesamorelin, may selectively reduce visceral fat in this population. We investigated the effects of tesamorelin (GHRH(1-44)) in HIV-infected patients with central fat accumulation. A 12-month study of 404 HIV-infected patients with excess abdominal fat in the context of antiretroviral therapy was conducted between January 2007 and October 2008. The study consisted of 2 sequential phases. In the primary efficacy phase (months 0-6), patients were randomly assigned to receive tesamorelin [2 mg subcutaneous (SC) every day] or placebo in a 2:1 ratio. In the extension phase (months 6-12), patients receiving tesamorelin were rerandomized to continue on tesamorelin (2 mg SC every day) or switch to placebo. Patients initially randomized to placebo switched to tesamorelin. Patients and investigators were blinded to treatment assignment throughout the study. The primary endpoint was visceral adipose tissue (VAT). Secondary endpoints included body image, IGF-I, safety measures, including glucose, and other body composition measures. VAT decreased by -10.9% (-21 cm(2)) in the tesamorelin group vs. -0.6% (-1 cm(2))...Continue Reading

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