Validation of the Association Between the Abundance of Three Bacterial Genera in Stool Samples and the Risk of Gallbladder Cancer in South American Patients With Gallstones

In our previous work, we found three types of bacteria in stool samples from South American patients with gallstones linked to a higher risk of gallbladder cancer. The aim of the present study is to confirm these associations using a separate set of South American stool samples.

NCT Number	NCT07635745
Lead Sponsor	Centre Paul Strauss Collaborators: Statistical Genetics Research Group, Institute of Medical Biometry and Informatics, Heidelberg University of Heidelberg
Conditions	Gallbladder Malignant Neoplasm
Enrollment	120 participants
Start Date	2019-12-01
Primary Completion	2026-01-31 (estimated)
Study Completion	2026-01-31 (estimated)
Updated on ClinicalTrials.gov	2026-06-09