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
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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