Effect of Laparoscopic Sleeve Gastrectomy Versus Roux-en-Y Gastric Bypass on Gastroesophageal Reflux Disease: An 8-Year Prospective Cohort Study

NCT03692455 · Status: ENROLLING_BY_INVITATION · Type: OBSERVATIONAL · Enrollment: 75

Last updated 2025-09-25

No results posted yet for this study

Summary

This study represents a long-term observational follow-up of patients who had previously undergone bariatric surgery (laparoscopic sleeve gastrectomy or Roux-en-Y gastric bypass) in the context of an earlier interventional trial (NCT03692455). No new interventions are assigned in the follow-up phase. Participants are evaluated clinically and functionally at predefined intervals using standardized multimodal assessments (symptom questionnaires, endoscopy, manometry, radiology, and pH monitoring).

Conditions

  • Gastroesophageal Reflux Disease
  • Morbid Obesity

Sponsors & Collaborators

  • UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL (UFRGS)

    collaborator UNKNOWN
  • Clinica Gastrobese

    lead OTHER

Principal Investigators

  • Richard R Gursky, PhD · Federal University of Rio Grande do Sul

Eligibility

Min Age
18 Years
Max Age
78 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-09-17
Primary Completion
2025-10-17
Completion
2025-11-08

Countries

  • Brazil

Study Locations

More Related Trials

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 NCT03692455 on ClinicalTrials.gov