Effect of Rimonabant on Weight Gain and Body Composition in Adults With Prader Willi Syndrome

Summary

The purpose of this study is to evaluate the effect of rimonabant, a cannabinoid receptor-1 blocking drug, on the appetite, body weight, body fat and growth hormone level of subjects with Prader-Willi Syndrome (PWS). This will be a double blind placebo controlled clinical trial involving a total of 18 young adults aged 18 to 35 years with PWS. Patients will be divided in to the two groups of control and intervention, and treated with either placebo (inactive drug), or rimonabant 20 mg once a day for a total duration of 6 months. Body weight, fat distribution, objective and subjective assessment of the hunger, fasting blood sample for measurement of ghrelin and leptin (two hormones regulating appetite), serum lipids , IGF-1(growth hormone related protein), insulin and glucose concentrations will be measured upon enrollment, at 3 months, and at the end of the study. The proportion of body fat to muscle will be determined using a radiological technique, whole body dual-energy x-ray absorptiometry (DEXA) scan, and also by measurement of skin fold thickness, waist and hip circumference at the enrollment prior to the intervention, and at the end of the study.

Timeline

Start

2007-08

Primary completion

2009-01

Completion

2009-01

Publications

• Background Deal CL, Tony M, Hoybye C, Allen DB, Tauber M, Christiansen JS; 2011 Growth Hormone in Prader-Willi Syndrome Clinical Care Guidelines Workshop Participants. GrowthHormone Research Society workshop summary: consensus guidelines for recombinant human growth hormone therapy in Prader-Willi syndrome. J Clin Endocrinol Metab. 2013 Jun;98(6):E1072-87. doi: 10.1210/jc.2012-3888. Epub 2013 Mar 29.
• Results Motaghedi R, Lipman EG, Hogg JE, Christos PJ, Vogiatzi MG, Angulo MA. Psychiatric adverse effects of rimonobant in adults with Prader Willi syndrome. Eur J Med Genet. 2011 Jan-Feb;54(1):14-8. doi: 10.1016/j.ejmg.2010.09.015. Epub 2010 Oct 20.

Drugs

Indications