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Adipose Tissue Storage in the Rapid Remission of Hepatic and Cardiac Metabolic Dysfunction After Bariatric Surgery — CB5  

Diabetes Mellitus Type 2 Clinical Trial

Official title:
Improved Adipose Tissue Storage of Dietary Fatty Acids as a New Mechanism for the Rapid Remission of Hepatic and Cardiac Metabolic Dysfunction After Bariatric Surgery

Clinical Trial Summary

The present protocol aims to understand and establish whether there is a causal link between adipose tissue metabolic remodeling and Type 2 Diabetes (T2D) remission after bariatric surgery. All participants will have a bariatric surgery, divided in 2 groups: with or without T2D.

Clinical Trial Description

This clinical assay will include 5 visits: the screening visit and four 9-hour postprandial metabolic sessions (A0, A1, B0 and C0) before and after surgery: - initial visit: screening - before surgery: 2 metabolic sessions A0 and A1 (without/with niacin) will be performed, in random order, at least one week interval. - 12 days post surgery: 1 metabolic session B0 (without niacin) - 1 year post surgery: 1 metabolic session C0 (without niacin) Each metabolic visit will last 9 hours with: - perfusion of stable tracers, - ingestion of a liquid meal - Positron-Emitting-Tomography (PET) acquisitions using radiopharmaceuticals such as [18F]-fluoro-6-thia-heptadecanoic acid ([18F]-FTHA) and [11C]-palmitate, - MRI acquisitions.[18F]fluoro-6-thia-heptadecanoic acid (FTHA). The niacin will be given during metabolic visits A1 as a regulator of lipids metabolism. During these visits, the subjects will ingest 150mg every half hour for 6 hours. Niacin will be used as a pharmacological suppressor of dietary fatty acid (DFA) spillover in order to determine the role played by this mechanism in the reduction of postprandial endogen glucose production (EGP) in T2D after bariatric surgery. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05934409
Study type Interventional
Source Université de Sherbrooke
Contact Frédérique Frisch
Phone 1-819-346-1110
Email frederique.frisch@usherbrooke.ca
Status Recruiting
Phase N/A
Start date November 1, 2023
Completion date May 1, 2028
View Details
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