Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 30, 2026, 8:36 AM EDT

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Showing 25–41 of 41 matching trials from the live ClinicalTrials.gov search.
Conditions
Colorectal Cancer (CRC) Screening, CRC Screening, Rectal Cancer, Colon Cancer, Colorectal Cancer
Interventions
Colorectal Cancer Education Materials, Cologuard test kit, Fecal immunochemical test kit, Usual Care
Behavioral · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
45 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers Results available

Colonoscopy Outreach for Rural Communities Aim 2

NCT05453630
Conditions
Colorectal Cancer
Interventions
Patient Navigation, Usual Care Control
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
45 Years to 915 Months
Enrollment
527 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Completed No phase listed Observational Accepts healthy volunteers

Screening and Risk Factors of Colon Neoplasia

NCT01647776
Conditions
Colon Cancer
Interventions
Stool DNA Test, biopsies of rectal and colon mucosa, Questionnaires
Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
30 Years to 80 Years
Enrollment
3,315 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Breast Cancer, Colorectal Cancer, Cervical Cancer
Interventions
TopCare: Use of provider knowledge vs. automated system
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 75 Years
Enrollment
103,870 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Colorectal Cancer (Diagnosis)
Interventions
Not listed
Lead sponsor
Harbinger Health
Industry
Eligibility
45 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Kansas City, Missouri
Suspended No phase listed Observational Accepts healthy volunteers

ARGONAUT: Stool and Blood Sample Bank for Cancer Patients

NCT04638751
Conditions
Non-small Cell Lung Cancer, Colorectal Cancer, Triple Negative Breast Cancer, Pancreas Cancer
Interventions
Immunotherapy, Chemotherapy, CRC surgical resection, Colonoscopy
Drug · Procedure
Lead sponsor
Persephone Biosciences
Industry
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
10
States / cities
Orange, California • San Diego, California • Miami, Florida + 6 more
Conditions
Colon Cancer
Interventions
Decision Aid for Colon Cancer Screening, Usual Care Outreach for Colon Cancer Screening
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years to 75 Years
Enrollment
424 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Adenomatous Polyp of Colon
Interventions
Segmental withdrawal
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Houston, Texas
Conditions
CRC Screening, Microbiome
Interventions
Gixam System, FIT, Standard of care screening colonoscopy
Device · Diagnostic Test · Procedure
Lead sponsor
Jubaan Ltd.
Industry
Eligibility
45 Years to 84 Years
Enrollment
1,436 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
8
States / cities
Mobile, Alabama • Lancaster, California • Orlando, Florida + 5 more
Conditions
Colon Cancer, Rectal Cancer, Cancer of the Rectum, Cancer of the Colon, Precancerous Polyp, Malignant Polyp
Interventions
Optical coherence tomography probe
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational Accepts healthy volunteers Results available

Prevention of Colorectal Cancer Through Multiomics Blood Testing

NCT04369053
Conditions
Colon Cancer, Rectal Cancer, Colon Neoplasm, Colon Diseases, Colon Lesion, Colon Polyp, Colorectal Cancer, Polyp, Adenoma, Rectal Diseases, Gastrointestinal Tract Cancers
Interventions
Freenome test
Diagnostic Test
Lead sponsor
Freenome Holdings Inc.
Industry
Eligibility
45 Years to 85 Years
Enrollment
48,995 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
147
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 122 more
Completed Not applicable Interventional Accepts healthy volunteers

Bowel Preparation Quality for Screening Colonoscopy

NCT02690779
Conditions
Screening Colonoscopies
Interventions
Educational intervention, Routine Care Instructions
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
45 Years and older
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Colorectal Carcinoma
Interventions
Best Practice, Educational Intervention, Electronic Health Record Review, Interview, Supportive Care, Survey Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
45 Years to 75 Years
Enrollment
682 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Letters Promoting Colorectal Cancer Testing

NCT04548765
Conditions
Cancer Colorectal
Interventions
Letter, Loss Frame and Fear Appeals, Transparency, Default Effect and Presentation of Alternatives, Enhanced Fear Appeals and Decoy Effect
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
14,644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Danville, Pennsylvania
Terminated No phase listed Observational Accepts healthy volunteers

Ileocecal Sphincter Reflex by Cecal Distension During Colonoscopy

NCT01413945
Conditions
Irritable Bowel Syndrome
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
20 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
New Hyde Park, New York
Conditions
Colorectal Cancer
Interventions
annual screening, fecal occult blood test, screening colonoscopy, standard follow-up care
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
40 Years to 69 Years
Enrollment
4,952 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2026
U.S. locations
4
States / cities
Shreveport, Louisiana • Minneapolis, Minnesota • New York, New York + 1 more
Conditions
Inflammatory Bowel Disease (IBD), Colonoscopy
Interventions
Magnetic Flexible Endoscope (MFE)
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee