Obesity Clinical Trial
Official title:
Treatment With Naltrexone/Buprpion (Mysimba) to Optimize Weight Outcomes After Bariatric Surgery
Limited/poor weight loss and weight regain are concerns following bariatric surgery, and weight regain may increase the risk for relapse of comorbidities related to obesity. Medications for weight reduction may assist further weight loss, and support weight maintenance, with positive effects on comorbidities. This pilot study will examine the effect of naltrexone/bupropion and lifestyle advice versus lifestyle advice alone for 7 months in patients with a suboptimal weight trajectory (either little weight loss or weight regain) 2 years or later following bariatric surgery.
Study aim and endpoints The aim of this pilot study is to evaluate the effect of Mysimba in patients with suboptimal weight loss or weight regain after bariatric surgery. The primary endpoint is body weight. Objective The study objective is to understand whether patients with suboptimal weight loss or weight regain 2 years or more following bariatric surgery achieve better weight loss with Mysimba and dietary counselling compared with a control group treated with dietary counselling alone. This is a phase IV, open label randomized controlled study conducted over 7 months with a 3-month post-intervention follow-up. The study will be conducted in accordance with good clinical practice. Patients meeting eligibility criteria will be randomized into one of two groups: an intervention group treated with Mysimba and lifestyle and a control group treated with lifestyle. The intervention group will be prescribed Mysimba gradually titrated to the maximum tolerated dose (maximum dose is 32 mg/360 mg divided in 4 tablets) with 2 week intervals. Both groups will receive the same follow up including dietary counselling during the course of the study. Randomization will be done using a standard internet-based program where group assignment cannot be anticipated. The study is not blinded. ;
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