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Completed No phase listed Observational Accepts healthy volunteers

Blood Collection Sub-Study for CRC Screening in Individuals 45-49 at Average Risk for CRC.

ClinicalTrials.gov ID: NCT03741166

Public ClinicalTrials.gov record NCT03741166. 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 May 12, 2026, 10:38 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

Blood Collection Sub-Study of Exact Sciences Protocol 2018-10: "An Evaluation of a Multi-target Stool DNA (Mt-sDNA) Test, Cologuard, for CRC Screening in Individuals Aged 45-49 and at Average Risk for Development of Colorectal Cancer: Act Now"

Study identification

NCT ID
NCT03741166
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Enrollment
871 participants

Conditions and interventions

Interventions

  • Blood Sample Collection Other

Other

Eligibility (public fields only)

Age range
45 Years to 49 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
Nov 7, 2018
Primary completion
Apr 4, 2019
Completion
Apr 4, 2019
Last update posted
May 16, 2021

2018 – 2019

United States locations

U.S. sites
37
U.S. states
19
U.S. cities
35
Facility City State ZIP Site status
Mayo Clinic Arizona Phoenix Arizona 85054
Ventura County Gastroenterology Camarillo California 93012
Alliance Research Centers Laguna Hills California 92653
Focilmed Oxnard California 93030
Desert Oasis Healthcare Medical Group Palm Springs California 92262
Gastroenterology Associates of Fairfield County Bridgeport Connecticut 06606
Yale University Section of Digestive Diseases and Liver Diseases New Haven Connecticut 06520
Precision Clinical Research, LLC Lauderdale Lakes Florida 33319
Northshore University Health System Evanston Hospital Evanston Illinois 60201
DM Clinical Research- Southwest Gastroenterology Oak Lawn Illinois 60453
Deaconess Clinic- Mt. Pleasant Evansville Indiana 47725
Deaconess Clinic- Gateway Newburgh Indiana 47630
Johnson County ClinTrials, LLC Lenexa Kansas 66219
New Orleans Research Institue Metairie Louisiana 70006
Delta Research Partners, LLC Monroe Louisiana 71201
Louisiana Research Center Shreveport Louisiana 71103
Investigative Clinical Research Annapolis Maryland 21401
Centennial Medical Group Elkridge Maryland 21075
Capitol Research Rockville Maryland 20850
Commonwealth Clinical Studies Brockton Massachusetts 02302
Mayo Clinic Rochester Rochester Minnesota 55905
United Medical Associates Binghamton New York 13901
Asheville Gastroenterology Associates Asheville North Carolina 28801
Charlotte Gastroenterology & Hepatology, PLLC Charlotte North Carolina 28207
Wilmington Gastroenterology Associates Wilmington North Carolina 28403
University Hospitals Cleveland Medical Center Cleveland Ohio 44106
Great Lakes Gastroenterology Research, LLC Mentor Ohio 44060
Comprehensive Internal Medicine, Inc. Wooster Ohio 44691
Family Practice Center of Wooster, Inc./Clinical Trial Developers Wooster Ohio 45150
Gastroenterology Associates, PA Greenville South Carolina 29615
Gastro One Germantown Tennessee 38138
Quality Medical Research, PLLC Nashville Tennessee 37211
Austin Regional Clinic Austin Texas 78726
University of Texas Health Science Center- McGovern Medical School Houston Texas 77030
DM Clinical Research- PCP for Life Houston Texas 77070
Virginia Gastroenterology Institute Suffolk Virginia 23434
Wisconsin Center for Advanced Research Milwaukee Wisconsin 53215

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 NCT03741166, 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 16, 2021 · Synced May 12, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03741166 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →