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NCT07635745Completed

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

Source: ClinicalTrials.gov · Last updated 9 Jun 2026

Brief summary (registry, in English)

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.

Status (registry)
Completed
Study type
Observational
Enrollment
120 (actual)
First submitted
11 May 2026
Start date
1 Dec 2019
Primary completion date
31 Jan 2026
Lead sponsor
Centre Paul Strauss
NCT number
NCT07635745

What you commit to

  • Study type: Observational
  • Participants enrolled: 120
  • From 1 Dec 2019 to the primary completion date, 31 Jan 2026
  • 4 sites in 4 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Other

  • Antibiotics use

Who the study is looking for

  • Patients with gallstones and cancer-free OR - Patients with gallbladder cancer

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (4)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Caja Nacional de Seguro Social Cochabamba, Complejo Hospitalario Viedma, Instituto Gastroenterológico
Coordinator of this site? Confirm its status
CochabambaBoliviaUnknown status
Hospital Dr. Hernán Henriquez Aravena, Complejo Asistencial Padre las Casas, Hospital Regional de Talca, Hospital Regional de Concepción, Hospital Regional de Arica
Coordinator of this site? Confirm its status
TalcaChileUnknown status
Statistical Genetics Research Group, Institute of Medical Biometry, University of Heidelberg
Coordinator of this site? Confirm its status
HeidelbergGermanyUnknown status
Instituto Regional de Enfermedades Neoplasicas del Sur (IREN SUR), Hospital Regional Honorio Delgado Espinoza, Hospital Goyeneche Arequipa, Hospital Regional Manuel Nuñez Butron-Puno
Coordinator of this site? Confirm its status
ArequipaPeruUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.