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.

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De novo pathogenic variants in the human immunodeficiency virus enhancer type I binding protein 2 (HIVEP2) gene, a large transcription factor predominantly expressed in the brain have previously been associated with intellectual disability (ID) and dysmorphic features in nine patients. We describe the phenotype and genotype of two additional patients with novel de novo pathogenic HIVEP2 variants, who have previously unreported features, including hyperphagia and Angelman-like features. Exome sequencing was utilized in the investigation of the patients who had previously incurred a rigorous genetic workup for their neurodevelopmental delay, and in whom no genetic cause had been detected. Information pertaining to phenotype and genotype for new patients was collated along with data from previous reports, showing that the phenotypic spectrum of patients with HIVEP2 variants is broader than first noted. Additional characteristics are: an increased body mass index;and features of Angelman-like syndromes including: ID, limited speech, post-natal microcephaly, and hypotonia. Dysmorphic features vary between patients. As yet, no clear association between the type of gene aberration and phenotype can be concluded. HIVEP2-related ID needs to be considered in the differential diagnosis of patients with Angelman-like phenotypes and hyperphagia, and whole-exome sequencing should be considered in the genetic diagnostic armamentarium for patients with ID of inconclusive etiology. K E Y W O R D SAngelman-like syndrome, exome sequencing, HIVEP2, hyperphagia, intellectual disability