OR03-4 Efficacy and Safety of Avexitide for Treatment of Hypoglycemia after Gastrointestinal Surgery; Assessment of Novel Dosing Regimens in an Expanded Indication
Abstract
Abstract Post-bariatric hypoglycemia (PBH) is a rare disease characterized by recurrent episodes of severe, symptomatic hyperinsulinemic hypoglycemia (HH). The predominant form occurs after Roux-en-Y gastric bypass (RYGB). However, severe cases also present after other upper-gastrointestinal procedures. The mechanisms mediating PBH have long been debated, though a critical role for excessive postprandial secretion of glucagon-like peptide-1 (GLP-1) has been established. Avexitide (exendin 9-39) is a first-in-class GLP-1 receptor antagonist in development for treatment of PBH. Prior studies with avexitide administration have shown normalization of postprandial insulin concentrations and reductions in the occurrence of symptomatic hypoglycemia. In the Phase 2 multicenter PREVENT trial, avexitide administered to post-RYGB patients at a total daily dose of 60 mg [30mg twice daily (BID) or 60mg once daily (QD)] for 28 days was well-tolerated and demonstrated significant reductions in the rates of hypoglycemia, symptoms, and percent time in hypoglycemia. Based on the favorable safety and tolerability profile and dose-response relationship observed, we sought to evaluate whether higher doses of avexitide may further enhance the pharmacodynamic response. In addition, we sought to extend the evaluation to patients with HH after vertical sleeve gastrectomy, esophagectomy, gastrectomy or Nissen fundoplication. In this Phase 2b, open label, cross over study (NCT04652479), eligible…
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