Which weight loss surgery works best? major trial launches

NCT ID NCT04915014

Ongoing Disease control Sponsor: University Hospital, Lille Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two weight loss surgeries for people with severe obesity: sleeve gastrectomy with transit bipartition (SG+TB) and Roux-en-Y gastric bypass (RYGB). About 320 participants will be followed for two years to see which surgery leads to greater weight loss and fewer side effects. The goal is to find the best surgical option for long-term weight control and health improvement.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for SEVERE OBESITY are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Malnutrition metabolic syndrome X morbid obesity type 2 diabetes mellitus

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

SEVERE OBESITY

Contacts and locations

Locations

AP-HP Hôpital Bichat

Paris, France
AP-HP Hôpital Georges Pompidou

Paris, France
CHU Orléans

Orléans, France
CHU de Lyon

Lyon, France
CHU de Nancy

Vandœuvre-lès-Nancy, France
CHU de Nantes

Nantes, France
CHU de Poitiers

Poitiers, France
Hop Claude Huriez Chu Lille

Lille, 59037, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.