Naltrexone sustained-release/bupropion sustained-release for the management of obesity: review of the data to date
Authors Caixàs A, Albert L, Capel I, Rigla M
Received 8 July 2014
Accepted for publication 30 July 2014
Published 18 September 2014 Volume 2014:8 Pages 1419—1427
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Professor Shu-Feng Zhou
Assumpta Caixàs, Lara Albert, Ismael Capel, Mercedes Rigla
Endocrinology and Nutrition Department, Parc Tauli Sabadell University Hospital, Autonomous University of Barcelona, Barcelona, Spain
Abstract: Obesity is an emerging disease worldwide. Changes in living habits, especially with increased consumption of high-calorie foods and decreased levels of physical activity, lead to an energy imbalance that brings weight gain. Overweight and obesity are major risk factors for several chronic diseases (including cardiovascular diseases, diabetes, and cancer), reduce quality of life, and are associated with higher mortality. For all these reasons, it is of the utmost importance that the trend be reversed and obese people enabled to lose weight. It is known that eating a healthy diet and exercising regularly can help prevent obesity, but data show that in many cases these steps are not enough. This is the reason why, over the last few decades, several antiobesity drugs have been developed. However, the disappointing results demonstrated for the vast majority of them have not discouraged the pharmaceutical industry from continuing to look for an effective drug or combination of drugs. The systematic review presented here focuses on naltrexone sustained-release/bupropion sustained-release combination (Contrave®). We conclude from the current published reports that its effectiveness in the treatment of obesity can be estimated as a placebo-subtracted weight loss of around 4.5%. This weight reduction is moderate but similar to other antiobesity drugs. The safety profile of this combination is acceptable, despite additional data regarding cardiovascular disease being needed.
Keywords: Contrave, weight loss, overweight, cardiovascular disease, diabetes, cancer
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