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Investigating the Role of Ghrelin in Regulating Appetite and Energy Intake in Patients Following Bariatric Surgery (BARI-INSIGHT) — BARI-INSIGHT  

Obesity Clinical Trial

Official title:
BARI-INSIGHT: A Double-blind, Placebo-controlled, Within-subject, Cross-over Mechanistic Study Investigating the Role of Ghrelin in Regulating Appetite and Energy Intake in Patients Following Bariatric Surgery

Clinical Trial Summary

Bariatric surgery helps patients with severe obesity to lose weight, cures and prevents diseases linked to obesity and reduces the risk of death. Unfortunately, 1 in 5 patients do not respond well to surgery in terms of weight loss and health gains. Thus, maximising weight loss and health benefits after surgery is critical. This study aims to gain insight into the role that the appetite-stimulating hormone, ghrelin, plays in driving appetite and energy intake in patients with poor weight loss (≤ 20% total body weight) following bariatric surgery. This will guide future work to develop pharmacological treatments for obesity, both as standalone treatments and adjuncts to bariatric surgery.

Participants will be invited to attend the Clinical Research Facility at University College London Hospital for a screening visit and six study visits. Active ghrelin levels will be reduced by inhibiting ghrelin-o-acyl-transferase (GOAT), the enzyme needed to generate active ghrelin (acyl ghrelin, AG). Participants will be randomised to receive GLWL-01 (GOAT inhibitor) 300mg BD or placebo for a 10 day study cycle. The effect of AG reduction on appetite and energy intake will be evaluated through both fixed-energy and ad libitum meal tests on day 7 and 10, respectively. Measures of body weight and composition, appetite and food cravings will be performed in addition to biochemical profiling of circulating gut hormone, adipokine and cytokine levels. Targeted physical examinations and assessment of adverse events will be performed. Safety monitoring calls will be conducted 2 and 7 days after the last dose. Following a 6-10 week washout period, participants will cross over to receive either placebo or GLWL-01 300mg BD and undergo a second study cycle, with all measures repeated.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03641417
Study type Interventional
Source University College, London
Contact
Status Completed
Phase N/A
Start date February 15, 2019
Completion date March 13, 2020
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