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Effects of tesamorelin on inflammatory markers in HIV patients with excess abdominal fat: relationship with visceral adipose reduction.

Author(s): Stanley TL, Falutz J, Mamputu JC, Soulban G, Potvin D, Grinspoon SK

Affiliation(s): Program in Nutritional Metabolism, Massachusetts General Hospital, Boston, 02114, USA.

Publication date & source: 2011-06-19, AIDS., 25(10):1281-8.

Publication type: Clinical Trial, Phase III; Randomized Controlled Trial; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't

OBJECTIVE: To report the effects of tesamorelin, a growth hormone-releasing hormone analogue, on inflammatory and fibrinolytic markers and to relate these effects to changes in visceral adipose tissue (VAT). DESIGN AND METHODS: Four hundred and ten HIV-infected patients with abdominal adiposity were randomized to 2 mg tesamorelin (n = 273) or placebo (n = 137) subcutaneously daily for 26 weeks. Circulating plasminogen activator inhibitor-1 (PAI-1) antigen, tissue plasminogen activator (tPA) antigen, C-reactive protein (CRP), and adiponectin were assessed. RESULTS: At baseline, VAT was significantly associated with PAI-1 antigen (rho = 0.36, P < 0.001), tPA antigen (rho = 0.29, P < 0.001), CRP (rho = 0.18, P < 0.001), and adiponectin (rho = -0.22, P < 0.001). Treatment with tesamorelin resulted in a significant decrease from baseline in tPA antigen (-2.2 +/- 2.5 vs. -1.6 +/- 2.9 ng/ml, tesamorelin vs. placebo, P < 0.05). Changes in PAI-1 antigen were not significant in the tesamorelin group compared to placebo. Among patients receiving tesamorelin, changes in inflammatory markers were associated with change in VAT (PAI-1 antigen: rho = 0.16, P = 0.02; tPA antigen: rho = 0.16, P = 0.02; adiponectin: rho = -0.27, P < 0.001), and these associations remained significant when controlling for changes in insulin-like growth factor-1. CONCLUSION: In HIV patients with abdominal adiposity, tesamorelin may have a modest beneficial effect on adiponectin and fibrinolytic markers in association with changes in VAT. Further studies are needed to determine the clinical significance of these changes. These data further highlight the deleterious role of excessive VAT and the utility of strategies to improve VAT in this population.

Page last updated: 2011-12-09

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