A Study to Evaluate the Mechanisms Leading to Hyperoxaluria and Increased Risk of Kidney Stone Formation after Bariatric Surgery

Overview

About this study

This study aims to evaluate the mechanisms leading to hyperoxaluria and increased risk of kidney stone formation after bariatric surgery.

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. Please contact the study team to discuss whether or not you are eligible to participate in a study.

Inclusion Criteria:

  • Patient ages 18-70 years old.
  • Patient evaluated at the Nutrition Clinic at the Mayo Clinic in Rochester, MN.
  • Patient scheduled to undergo RYGB for the management of medically complicated obesity.
  • Patient must be capable of giving informed consent.
  • Patient must be able to complete all aspects of the study including stool collections.

Exclusion Criteria: 

  • Stage 4-5 CKD.
  • Weigh >660 lbs.
  • Prior kidney transplantation.
  • Use of antibiotics in the 3 months prior to testing.
  • A history of kidney stones will not be an exclusion criterion, although stone events will be careful quantified per and post operatively.
  • Does not have access to a smart phone or computer (to complete food record on Health Watch 360).

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

Maria Collazo-Clavell, M.D.

Open for enrollment

Contact information:

Department of Medicine – Clinical Trials Unit

(507) 266-1944

RSTDOMCTU@mayo.edu

More information

Publications

Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available