期刊
OBESITY SURGERY
卷 26, 期 5, 页码 983-989出版社
SPRINGER
DOI: 10.1007/s11695-016-2143-y
关键词
Vagal nerve blocking; Obesity; Moderate obesity; Active implantable medical device; Bariatric surgery; Laparoscopic surgery; Randomized controlled trial
类别
资金
- EnteroMedics Inc.
Vagal nerve blockade (vBloc) therapy was shown to be a safe and effective treatment for moderate to severe obesity. This report summarizes the safety and efficacy of vBloc therapy in the prespecified subgroup of patients with moderate obesity. The ReCharge Trial is a double-blind, randomized controlled clinical trial of participants with body mass index (BMI) of 40-45 or 35-40 kg/m(2) with at least one obesity-related comorbid condition. Participants were randomized 2:1 to implantation with either a vBloc or sham device with weight management counseling. Eighty-four subjects had moderate obesity (BMI 35-40 kg/m(2)) at randomization. Fifty-three participants were randomized to vBloc and 31 to sham. Qualifying obesity-related comorbidities included dyslipidemia (73 %), hypertension (58 %), sleep apnea (33 %), and type 2 diabetes (8 %). The vBloc group achieved a percentage excess weight loss (%EWL) of 33 % (11 % total weight loss (%TWL)) compared to 19 % EWL (6 % TWL) with sham at 12 months (treatment difference 14 percentage points, 95 % CI, 7-22; p < 0.0001). Common adverse events of vBloc through 12 months were heartburn/dyspepsia and implant site pain; the majority of events were reported as mild or moderate. vBloc therapy resulted in significantly greater weight loss than the sham control among participants with moderate obesity and comorbidities with a well-tolerated safety profile.
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