Post-sleeve Gastrectomy Gastroesophageal Reflux Disease Prediction


About this study

The purpose of this study is to identify a predictive model for worsening of preexisting gastroesophageal reflux disease (GERD) or development of de novo GERD after laparoscopic sleeve gastrectomy (LSG) by using EndoFLIP, upper endoscopy and esophageal manometry to assess patients preoperatively in a discovery cohort.  This prospective predictive model will then identify sensitivity, specificity, positive and negative predictive values for prediction of worsening or de novo GERD.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Adult patients > 18 years.
  • BMI over 30 kg/m^2.
  • Participants can give consent to the procedure.
  • Participants have no contraindications to LSG. (gastric ulceration).

Exclusion Criteria:

  • Participants who have LA grade C or D esophagitis, Barrett mucosa or peptic stricture.
  • Patients who have evidence of a major motility abnormality defined by the Chicago classification version 3.0 (achalasia, absent contractility, esophagogastric junction outflow obstruction, distal esophageal spasm, or hypertensive peristalsis).
  • Patients with hiatal hernia > 3 cm.
  • Patients with previous esophageal or stomach surgery.

Eligibility last updated 8/20/21. Questions regarding updates should be directed to the study team contact.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Barham Abu Dayyeh, M.D., M.P.H.

Open for enrollment

Contact information:

Elizabeth Lemke

(507) 266-3317

More information


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