Reversal of Roux-en-Y Gastric Bypass: A Swedish National Cohort Study

NCT07347093 · Status: ACTIVE_NOT_RECRUITING · Type: OBSERVATIONAL · Enrollment: 199

Last updated 2026-01-20

No results posted yet for this study

Summary

Objective:

To investigates incidence, indications, symptom relief, complications, and weight outcomes after Roux-en-Y gastric bypass (RYGB) reversal.

Background:

RYGB is an effective treatment for obesity, but in rare cases may be associated with severe long-term complications requiring RYGB reversal. Evidence on incidence and outcomes is limited.

Methods:

This nationwide, multi-center, retrospective cohort study included all patients undergoing RYGB reversal in Sweden between 2007 and 2023. Data were obtained from the Scandinavian Obesity Surgery Registry (SOReg) and medical records.

Conditions

  • Gastric Bypass Surgery
  • Revisional Bariatric Surgery
  • Complications After Bariatric Surgery

Sponsors & Collaborators

  • Vrinnevi Hospital

    lead OTHER

Principal Investigators

  • Ellen A Andersson, MD · Department of Surgery, Vrinnevi Hospital, Norrköping, and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-11-01
Primary Completion
2026-03-31
Completion
2026-05-31

Countries

  • Sweden

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07347093 on ClinicalTrials.gov