Clinical trial Recruiting at 1 site Observational Ages 18 to 65

Magnetic bariatric revisional surgery for weight loss and GERD resolution

Official title: 9-Step Magnetic Assisted Conversion From Sleeve Gastrectomy to Roux-en-Y Gastric Bypass and Hiatoplasty by Single-Port.

Run by Unidad Internacional de Cirugia Bariatrica y Metabolica · NCT04945304 · Data updated 2026-11-12

This study tests if a new type of weight loss surgery using magnets can help people with obesity and acid reflux feel better after previous weight loss surgeries.

More Bariatric Surgery Candidate trials

Quick facts

Study typeObservational
Ages18 Years to 65 Years
SexAll
Enrollment500 (estimated)
SponsorUnidad Internacional de Cirugia Bariatrica y Metabolica
Academic / other
Locations1 site (Maracaibo, Zulia)
StatusRecruiting
StartedMay 31, 2021
Main results expectedOctober 31, 2026
Study endsMay 31, 2027
Registry record updatedJuly 11, 2022
Trial IDNCT04945304 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults over 18 years old who are candidates for bariatric surgery and have a BMI greater than 30 kg/m2.

Probably not a fit

Patients with uncontrolled co-morbidities, those with pacemakers or other electromedical implants, and individuals with hepatic diseases may not benefit from this study.

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

What this trial studies

This observational study focuses on the effectiveness of Roux-en-Y gastric bypass (RYGB) as a revisional surgery technique for patients with obesity and gastroesophageal reflux disease (GERD). The procedure is performed using a single port approach, allowing for minimally invasive surgery while addressing complications from previous bariatric surgeries. The study aims to evaluate the outcomes of this innovative surgical technique, which includes the use of magnets for better visualization and retraction during the operation. The lead surgeon has extensive experience in bariatric procedures, ensuring a high level of expertise in the execution of the surgery.

Why it matters

Potential benefit: If successful, this approach could significantly improve weight loss outcomes and resolve GERD symptoms in patients who have previously undergone bariatric surgery.

How similar studies have gone: While the use of magnetic techniques in surgery is gaining interest, this specific approach to revisional bariatric surgery is relatively novel and has not been extensively tested in prior studies.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Older than 18 years
* Candidate to bariatric surgery
* Obesity
* BMI Greater than 30 kg/m2

Exclusion Criteria:

* Uncontrolled co-morbidities
* patients with pacemakers, defibrillators, or other electromedical implants
* Abnormal coagulation blood tests
* Patients with hepatic diseases

Where it's running

  • Unidad Internacional de Cirugía Bariátrica y Metabólica
    Maracaibo, Zulia, Venezuela
    Recruiting

Study contacts

  • Principal investigator: Guillermo Borjas, MD. PhD — International Unit of Bariatric and Metabolic Surgery
  • Study coordinator: Guillermo Borjas, MD. PhD
  • Email: drguillermoborjas@hotmail.com
  • Phone: 4146863041

Similar studies

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

  • Thread-Embedding Acupuncture plus a Proton Pump Inhibitor for GERD

    This study tests whether adding thread-embedding acupuncture to standard omeprazole treatment helps people with GERD who have a traditional Liver-Stomach constraint-heat pattern.

    Recruiting University of Science Ho Chi Minh City · Ho Chi Minh City · NCT07797959

  • Transcutaneous Nerve Stimulation to Help Breathing After Bariatric Surgery

    A randomized trial tests whether a skin-placed nerve stimulator can reduce diaphragmatic dysfunction after bariatric surgery in people with obesity.

    Recruiting Cairo University · Cairo and 1 other locations · NCT07569705

  • Stress response with desflurane versus opioid-free TIVA during weight-loss surgery

    This study will test whether adding the inhaled anesthetic desflurane to opioid-free anesthesia changes the body's perioperative stress response in people having bariatric (weight-loss) surgery.

    Recruiting G.Gennimatas General Hospital · Athens · NCT07568938

  • Transoral incisionless fundoplication (TIF) for GERD in Asian adults

    This tests whether a less-invasive transoral incisionless fundoplication (TIF) procedure can reduce reflux symptoms in Asian adults who continue to have GERD despite daily PPI treatment.

    Recruiting Phase 2 Chinese University of Hong Kong · Hong Kong · NCT07556289

  • Diaphragm training for GERD symptoms

    This study will test whether diaphragm-focused breathing exercises or using a volume-based incentive spirometer can help people with GERD have fewer reflux episodes and better symptoms.

    Recruiting Changhua Christian Hospital · Changhua, Changhua County · NCT07544433

  • A registry for adults with esophageal movement and reflux problems.

    This project will collect esophageal function tests (manometry, pH-impedance, FLIP) and clinical data from adults with reflux or swallowing symptoms to see if combining these results helps guide diagnosis and long-term care.

    Recruiting IRCCS San Raffaele · Milan, Lombardy · NCT07506746

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.