Impact of bariatric surgery and weight loss medications in adults with type 1 diabetes in the T1D Exchange Clinic Registry.

To investigate the impact of bariatric surgery and weight loss medications in adults with type 1 diabetes. Subjects enrolled in the T1D Exchange (T1DX) Clinic Registry age ≥ 18 years with a diabetes duration of ≥1 year were included in the analysis (n = 13,501). Data for participants (n = 37) with bariatric surgery after diabetes onset were assessed before and after surgery and also compared to a matched control group. Data for participants who reported the use of FDA-approved weight loss medications (n = 483) were assessed before starting, during use, and after stopping the medications and also compared to a matched control group. Variables of interest included BMI, HbA1c, blood pressure, lipid profile, rates of acute complications. Data were analyzed using linear mixed models. Bariatric surgery resulted in BMI reduction from 38.8 ± 9.1 kg/m Bariatric surgery is effective for weight loss and may improve glycemic control in selected patients. Weight loss medications are not associated with diabetes improvement. A trial with liraglutide may be attempted for weight control, but weight loss medications in general do not show a significant effect.

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Declaration of competing interest The authors have no disclosures.