Clinical trial Recruiting at 1 site Interventional Ages 18 to 60

Improving outcomes for patients with failed sleeve gastrectomy using a new surgical approach

Official title: Management of Sleeve Gastrectomy Failure Using Single-anastomosis Metabolic Surgery

Run by Laval University · NCT05242835 · Data updated 2026-11-12

This study is testing a new type of surgery called SADI-S to see if it can help people who didn't have success with their previous sleeve gastrectomy lose weight and improve their health.

Quick facts

Study typeInterventional
Ages18 Years to 60 Years
SexAll
Enrollment151 (estimated)
SponsorLaval University
Academic / other
Locations1 site (Québec, Quebec)
StatusRecruiting
StartedFebruary 3, 2023
Main results expectedJanuary 2027
Study endsMarch 2027
Registry record updatedDecember 8, 2025
Trial IDNCT05242835 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals who had sleeve gastrectomy at least 18 months prior and still meet the NIH criteria for bariatric surgery.

Probably not a fit

Patients who are not eligible include those with a BMI below 35 kg/m2, pregnant individuals, or those with certain medical conditions like cirrhosis or inflammatory bowel disease.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial investigates the effectiveness of the Single-Anastomosis Duodenoileal Switch (SADI-S) as a revisional surgery for patients who have experienced failure after sleeve gastrectomy. The study aims to compare this newer, simplified surgical technique with the standard duodenal switch procedure. By focusing on patients who meet specific criteria related to their previous weight loss surgery, the trial seeks to provide evidence on the safety and efficacy of SADI-S in managing obesity. The goal is to address the significant rates of failure associated with sleeve gastrectomy and improve patient outcomes.

Why it matters

Potential benefit: If successful, this approach could provide a safer and more effective surgical option for patients struggling with weight regain after sleeve gastrectomy.

How similar studies have gone: While there is limited prospective data on the SADI-S approach, similar studies on revisional bariatric surgeries have shown promising results.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* had sleeve gastrectomy a minimum of 18 months before
* still meet the NIH criteria for bariatric surgery (BMI≥35kg/m2 with major comorbidities or BMI≥40kg/m2) or patients with EWL\<50% or significant weight regain (≥20%EWL)

Exclusion Criteria:

* general contra-indication for bariatric surgery
* BMI\<35kg/m2
* pregnancy
* cirrhosis
* abnormal bowel habits including irritable bowel syndrome and inflammatory bowel disease

Where it's running

  • Institut Universitaire de Cardiologie et de Pneumologie de Québec
    Québec, Quebec, Canada
    Recruiting

Study contacts

  • Principal investigator: Laurent Biertho, MD — Institut universitaire de cardiologie et de pneumologie de Québec, University Laval
  • Study coordinator: Mélanie Nadeau, MSc
  • Email: melanie.nadeau@criucpq.ulaval.ca
  • Phone: 418-656-8711

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.