Objectives:The AspireAssist System (AspireAssist) is an endoscopic weight loss device that is comprised of an endoscopically placed percutaneous gastrostomy tube and an external device to facilitate drainage of about 30% of the calories consumed in a meal, in conjunction with lifestyle (diet and exercise) counseling.Methods:In this 52-week clinical trial, 207 participants with a body-mass index (BMI) of 35.0–55.0 kg/m2 were randomly assigned in a 2:1 ratio to treatment with AspireAssist plus Lifestyle Counseling (n=137; mean BMI was 42.2±5.1 kg/m2) or Lifestyle Counseling alone (n=70; mean BMI was 40.9±3.9 kg/m2). The co-primary end points were mean percent excess weight loss and the proportion of participants who achieved at least a 25% excess weight loss.Results:At 52 weeks, participants in the AspireAssist group, on a modified intent-to-treat basis, had lost a mean (±s.d.) of 31.5±26.7% of their excess body weight (12.1±9.6% total body weight), whereas those in the Lifestyle Counseling group had lost a mean of 9.8±15.5% of their excess body weight (3.5±6.0% total body weight) (P<0.001). A total of 58.6% of participants in the AspireAssist group and 15.3% of participants in the Lifestyle Counseling group lost at least 25% of their excess body weight (P<0.001). The most frequently reported adverse events were abdominal pain and discomfort in the perioperative period and peristomal granulation tissue and peristomal irritation in the postoperative period. Serious adverse events were reported in 3.6% of participants in the AspireAssist group.Conclusions:The AspireAssist System was associated with greater weight loss than Lifestyle Counseling alone.

Objective To characterize the adoption of antiobesity pharmacotherapies, as compared with that of the newest antidiabetes pharmacotherapy, subtype 2 sodium-glucose transport protein inhibitors (SGLT2s), among prescribers in the United States. Methods A retrospective analysis of 2012 to 2015 data extracted from the IMS Health National Prescription Audit™ and Xponent™ assessed adoption rates of antiobesity pharmacotherapies and SGLT2s. Results The number of dispensed antidiabetes prescriptions was 15 times the number of dispensed antiobesity prescriptions. The antiobesity market share was: 74.0% phentermine, 18.6% new antiobesity pharmacotherapies. The mean increase in prescriptions/month were: 25,259 for SGLT2s, 5,154 for new antiobesity pharmacotherapies, and 2,718 for phentermine. Medical specialties prescribing the majority of the analysis medications were Family Medicine/General Practice and Internal Medicine. Endocrinology had the highest prevalence of prescribers of any subspecialty. Conclusions The adoption rate of SGLT2s was nearly exponential, while the adoption rate of new antiobesity pharmacotherapies was linear. Considering the relative prevalence of obesity to diabetes and that obesity is a major cause of diabetes, these results are paradoxical and suggest systematic barriers against the prescribing of antiobesity pharmacotherapies. The under-prescribing of antiobesity pharmacotherapies is widely acknowledged, but this is the first prescription data of these new medications to demonstrate its extent in the United States.

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