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Completed No phase listed Observational

Intestine Bacteria and Breast Cancer Risk

ClinicalTrials.gov ID: NCT01461070

Public ClinicalTrials.gov record NCT01461070. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 3:25 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

BRANCH:Fecal Microbiota Among Participants in a Pre-paid Health Plan

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Background: \- Some bacteria found in the large and small intestines help keep people healthy and aid digestion. They may also affect a person s risk of developing cancer. Researchers want to study the relationship between intestinal bacteria and breast cancer risk factors. They can do this by looking at stool and urine samples from postmenopausal women. Objectives: \- To study intestinal bacteria and its relationship to urine-based markers of breast cancer risk in women. Eligibility: \- Women between 55 and 69 years of age with a recent mammogram that showed no signs of cancer. Design: * Participants will be screened with a medical history and basic health questionnaire. * At home, participants will complete questionnaires about cancer risk factors and food consumption. * Participants will also collect urine and stool samples. They will send the samples to the designated labs for study. * No treatment will be provided as part of this protocol.

Study identification

NCT ID
NCT01461070
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
175 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
50 Years to 69 Years
Sex
Female
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 9, 2011
Primary completion
Jun 29, 2014
Completion
May 21, 2020
Last update posted
May 26, 2020

2011 – 2020

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Kaiser Permanente Colorado Denver Colorado

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01461070, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 26, 2020 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01461070 live on ClinicalTrials.gov.

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