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Current concepts in management of weight regain following bariatric surgery

ABSTRACT Introduction: Although bariatric surgery is the most effective and durable treatment for obesity, weight regain is common. Areas covered: In this article, we have critically reviewed data from retrospective and prospective studies pertaining to prevalence and predictors of weight regain following bariatric surgery, as well as the utility of behavioral and pharmacotherapeutic interventions to address post-surgical weight regain. Expert commentary: The initial step in management of post-surgical weight regain is a comprehensive evaluation of the patient including a thorough assessment of contributing factors. While lifestyle interventions including diet, exercise and behavior modification are fundamental, they have limited efficacy which can be enhanced by pharmacotherapy. The optimal time to commence pharmacotherapy may be at weight plateau to maximize weight loss outcomes after bariatric surgery. Further prospective studies are needed to determine the best combination of behavioral and pharmacological therapies, and also the timing of pharmacotherapeutic intervention.