Life sciences · Phase EARLY_PHASE1 Trial
ClinicalTrials.gov · October 22, 2026
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Phase EARLY_PHASE1 Trial.
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Registry record from ClinicalTrials.gov (NCT07171723). This is a study registration, not published results. Lead sponsor: University Hospital, Gentofte, Copenhagen. Recruitment status: COMPLETED. Phase: EARLY_PHASE1. Study type: INTERVENTIONAL. Enrollment: 24 participants (ACTUAL). Conditions: Obesity & Overweight. Interventions: BIOLOGICAL: Liver-Expressed Antimicrobial Peptide 2 (LEAP2); OTHER: Placebo (saline). Primary outcome measures: Food intake , 290 to 310 minutes. Brief summary: This clinical study investigates how blocking the hunger-related ghrelin receptor affects appetite and metabolism in individuals with obesity who are treated with semaglutide (a GLP-1 receptor agonist). LEAP2, a naturally occurring hormone that inhibits the ghrelin receptor, is used as the investigational compound. The objective of the study is to clarify how the ghrelin system functions when appetite is suppressed by semaglutide treatment. Participants will receive either LEAP2 or placebo during two experimental visits in a randomized, double-blind, crossover design. The investigators will assess food intake, appetite sensations, glucose metabolism, and hormonal responses. By examining the interaction between semaglutide and ghrelin signaling, the study aims to improve understanding of how multiple appetite-regulating systems interact and whether additional hunger signals remain active during GLP-1 treatment. The findings may inform the development of future treatments for individuals with obesity.