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Study identifier: NCT06330246 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

O. Formigenes Colonization in Calcium Oxalate Kidney Stone Disease

Condition: Kidney Stone · Kidney Calculi · Urolithiasis  ·  Sponsor: University of Alabama at Birmingham

PhaseNA
Planned participants40
Who can joinAll sexes, 18 Years to 70 Years
Healthy volunteersNo

About this study

The goal of this trial is to test if colonization with the gut bacteria Oxalobacter formigenes leads to a reduction in urinary oxalate excretion in patients with calcium oxalate kidney stone disease. The study will recruit adult participants with a history of calcium oxalate kidney stones who are not colonized with Oxalobacter formigenes. Participants will * ingest fixed diets containing low and moderately high amounts of oxalate for 4 days at a time * collect urine, blood and stool samples during the fixed diets * ingest a preparation of live Oxalobacter formigenes to induce colonization with Oxalobacter formigenes

This description comes directly from the study's public registry record.

Talk to the study team

Sonia Fargue, PhD  ·  2059756932  ·  sfargue@uab.edu

Demond Wiley  ·  2059345712  ·  kidneystone@uabmc.edu

Always discuss trial participation with your own doctor first.

Locations (2)

University of Alabama at BirminghamBirmingham, Alabama, United StatesRecruiting
UTSWDallas, Texas, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06330246