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Completed Not applicable Interventional Accepts healthy volunteers

Does Knowing One's Estimated Colorectal Cancer Risk Influence Screening Behavior?

ClinicalTrials.gov ID: NCT03819920

Public ClinicalTrials.gov record NCT03819920. 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 30, 2026, 4:20 AM EDT

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

Brief summary

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

This study is designed to examine the impact of telephone-based colorectal cancer risk assessment on colorectal screening attitudes and behavior among previously unscreened adults ages 50 to 75.

Study identification

NCT ID
NCT03819920
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Stanford University
Other
Enrollment
229 participants

Conditions and interventions

Interventions

Behavioral

Eligibility (public fields only)

Age range
50 Years to 75 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Oct 6, 2015 (Actual)
Primary completion
Jan 4, 2019 (Actual)
Completion
Jan 4, 2019 (Actual)
Last update posted
Feb 5, 2019

2015 – 2019

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Stanford University School of Medicine Palo Alto California 94305 —

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 NCT03819920, 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 Feb 5, 2019 · Synced Sep 30, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03819920 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →