Comparing Gastric By-Pass and Medical Treatment for Obese Diabetic Patients

Comparison of Gastric By-Pass and Optimized Medical Treatment in Obese Diabetic Patients in Terms of Mortality, Glycemic Control, and Cost Effectiveness - Prospective, Multicenter, Randomized Study

Phase 4 Interventional University Hospital, Lille · NCT01501201

This study tests whether gastric bypass surgery or medical treatment works better for helping obese patients with type 2 diabetes manage their condition and improve their health.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment490 (estimated)
Ages18 Years to 65 Years
SexAll
SponsorUniversity Hospital, Lille Academic / other
Locations10 sites (Lille, Nord and 9 other locations)
Trial IDNCT01501201 on ClinicalTrials.gov

What this trial studies

This study aims to compare the effectiveness of Gastric By-Pass surgery against optimized medical therapy in obese patients with poorly controlled type 2 diabetes. It evaluates various outcomes including mortality rates, weight loss, glycemic control, quality of life, and cost-effectiveness of both treatment strategies. The study includes patients with a body mass index between 35 and 50 kg/m2 and an HbA1c level greater than 7.5%. Participants will be monitored for improvements in their diabetes management and overall health following either intervention.

Who should consider this trial

Good fit: Ideal candidates for this study are obese individuals with type 2 diabetes who have an HbA1c level above 7.5% and are eligible for Gastric By-Pass surgery.

Not a fit: Patients who may not benefit from this study include those with contraindications to bariatric surgery, pregnant individuals, and those with psychiatric disorders.

Why it matters

Potential benefit: If successful, this study could provide insights into the most effective treatment for managing obesity and type 2 diabetes, potentially leading to improved patient outcomes.

How similar studies have performed: Previous studies have shown that bariatric surgery can lead to significant improvements in glycemic control and weight loss, indicating a promising approach for similar patient populations.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Type 2 diabetes mellitus with HbA1c \> 7.5 %
* Body mass index \> 35 and \< 50 kg/m2
* Candidate for Gastric By-Pass
* Treatment with GLP1 (glucagon-like peptide) analogue or insulin

Exclusion Criteria:

* Contraindication to bariatric surgery
* Pregnancy
* Affiliation of health care assurance
* Psychiatric disorders

Where this trial is running

Lille, Nord and 9 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions ObesityDiabetesBariatric Surgery
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.