• Sonja K Billes and Frank L Greenway.
• Sierra Scientific Solutions, 4663 Edgeware Road, San Diego, CA 92116, USA. SKBilles@gmail.com
• Expert Opin Pharmacother. 2011 Aug 1; 12 (11): 1813-26.

IntroductionAlthough pharmacological treatments for obesity represent only one option in managing obesity, they are a useful tool in an otherwise extremely limited armamentarium. Naltrexone/bupropion combination therapy was developed by using technological advances that have improved our understanding of how the brain regulates body weight.Areas CoveredThis review covers the development of naltrexone/bupropion combination therapy for obesity, as well as the published clinical trials on the safety and efficacy of the combination in overweight and obese humans. The effect of naltrexone/bupropion on food craving seems to be unique, and the implications of this finding for weight loss are discussed.Expert OpinionSafety and tolerability issues seem to be manageable and consistent with the documented effects of each component. Appropriate patient management should address the mild sympathomimetic effect of bupropion, although the FDA has required that a cardiovascular outcomes study be conducted preapproval to determine the effects of long-term use of naltrexone/bupropion in an overweight/obese population. When used in conjunction with diet and exercise, the naltrexone/bupropion combination may be a useful treatment option for obesity, especially for overweight and obese adults who report difficulty controlling eating behavior and their response to food cravings.

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