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ClinicalTrials.gov public records Last synced Oct 20, 2026, 5:37 AM EDT

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Showing 1–24 of 277 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: screening colonoscopy Clear all
Active, not recruiting No phase listed Observational

Colorectal Cancer Screening in Cystic Fibrosis

NCT05362344
View directory record Official record
Conditions
Cystic Fibrosis, Colorectal Cancer, Adenoma
Interventions
Stool tests
Procedure
Lead sponsor
University of Washington, the Collaborative Health Studies Coordinating Center
Other
Eligibility
18 Years to 75 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
26
States / cities
Los Angeles, California • Palo Alto, California • Denver, Colorado + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Choice Architecture and Colorectal Cancer Screening Outreach

NCT03246438
View directory record Official record
Conditions
Cancer of Colon
Interventions
Colonoscopy only, Colonoscopy outreach + mailed FIT follow-up, Colonoscopy + Mailed FIT outreach and follow-up
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 74 Years
Enrollment
423 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional

Real-time Computer-Aided Detection of Colonic Adenomas With NEC WISE VISION® Endoscopy

NCT05611151
View directory record Official record
Conditions
Colorectal Cancer, Adenoma Colon, Polyp of Colon
Interventions
Computer Aided Detection (CADe)
Diagnostic Test
Lead sponsor
NEC Corporation
Industry
Eligibility
45 Years to 75 Years
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Colorectal Cancer Screening for Diverse Hispanics in Urban Primary Care

NCT01569620
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Best clinical practices plus culturally targeted print materials, Best clinical practices plus standard print materials, Best clinical practices alone
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years to 85 Years
Enrollment
386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2016 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional

The Utility of Timed Segmental Withdrawal During Screening Colonoscopy

NCT02132455
View directory record Official record
Conditions
Colonoscopy
Interventions
colonoscopy
Procedure
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years to 80 Years
Enrollment
326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2017 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study of Using Computerized Education to Increase Patients' Confidence in Their Ability to Be Screened for Colon Cancer

NCT00273585
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Personally-tailored educational software program
Device
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2006 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Standard Colonoscopy Versus Colonoscopy With Endocuff Vision

NCT03361917
View directory record Official record
Conditions
Colorectal Polyp, Colorectal Adenoma, Colon Cancer
Interventions
Endocuff Vision
Device
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Oct 20, 2026, 5:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cruciferous Vegetable Intake and Histone Status in Screening Colonoscopy Patients

NCT01344330
View directory record Official record
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
Texas A&M University
Other
Eligibility
50 Years to 75 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Chromocolonoscopy for the Detection of Flat Adenomas in Routine Colorectal Cancer Screening.

NCT00245492
View directory record Official record
Conditions
Colon Cancer, Polyp, Adenoma
Interventions
Chromocolonoscopy
Procedure
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
792 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
3
States / cities
Indianapolis, Indiana • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2009 · Synced Oct 20, 2026, 5:37 AM EDT
Enrolling by invitation Not applicable Interventional

Colorectal Cancer Screening Preventive Reminder Ordering AssistanCe Via Texting for Improved Visit Encounters

NCT07636174
View directory record Official record
Conditions
Behavior, Health
Interventions
Post-visit patient messaging
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
3,888 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing Warm Versus Cool Temperature Water During Colonoscopy

NCT01322724
View directory record Official record
Conditions
Colonoscopy
Interventions
Warm vs Cool water
Procedure
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years to 85 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 25, 2012 · Synced Oct 20, 2026, 5:37 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pilot Study for Colorectal Cancer and Advanced Adenoma Detection With the Mainz Biomed Colorectal Cancer Test

NCT06864338
View directory record Official record
Conditions
Colorectal Cancer Screening, Colorectal Cancer Metastatic, Colon Adenocarcinoma
Interventions
Not listed
Lead sponsor
Mainz Biomed
Industry
Eligibility
18 Years and older
Enrollment
2,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Morrisville, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Oct 20, 2026, 5:37 AM EDT
Completed No phase listed Observational

Can Overall Adenoma Detection Rate Replace Screening Adenoma Detection Rate ? Multicenter Study

NCT05125939
View directory record Official record
Conditions
Adenoma Detection Rate, Colonoscopy
Interventions
Comparison of ADR
Other
Lead sponsor
Evergreen General Hospital, Taiwan
Other
Eligibility
50 Years to 80 Years
Enrollment
2,707 participants
Timeline
2021 – 2026
U.S. locations
1
States / cities
North Hills, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating Strategies to Present Colon Cancer Screening Information

NCT02485561
View directory record Official record
Conditions
Colonic Neoplasms, Colorectal Neoplasms, Colonic Diseases, Gastrointestinal Neoplasms
Interventions
Health communication intervention, Education information
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 75 Years
Enrollment
486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Oct 20, 2026, 5:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Prevention of Colorectal Cancer Through Multiomics Blood Testing

NCT04369053
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 20, 2026, 5:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Effects of L-Arginine in Colitis and Colon Cancer

NCT01091558
View directory record Official record
Conditions
Ulcerative Colitis, Colon Cancer
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 31, 2017 · Synced Oct 20, 2026, 5:37 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

A Trial Comparing Bowel Preparation and Patient Tolerability of Miralax Versus Golytely

NCT00889655
View directory record Official record
Conditions
Colonoscopy
Interventions
Golytely (polyethylene glycol), MiraLax (polyethylene glycol 3350)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
50 Years to 90 Years
Enrollment
432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 29, 2009 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Prospective Trial of an Endoscopic Quality Improvement Project

NCT02325635
View directory record Official record
Conditions
Colon Polyps
Interventions
Educational Training
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 13, 2015 · Synced Oct 20, 2026, 5:37 AM EDT
Recruiting No phase listed Observational

A Study of a Urine Test to Detect Colorectal Cancer

NCT07649057
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Polyp, Rectal Bleeding, CRC
Interventions
3-metabolite biosensor
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Choice on Colorectal Cancer Screening

NCT05275530
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Neoplasms, Health Screening
Interventions
Active FIT Choice, Active Colonoscopy Choice, Active Dual Choice
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
45 Years to 49 Years
Enrollment
20,509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Los Angeles, California • Westwood, Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Oct 20, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Peer Patient Navigation for Colon Cancer Screening

NCT02194959
View directory record Official record
Conditions
Screening Colonoscopy
Interventions
Peer PN, Pro PN
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years and older
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2014 · Synced Oct 20, 2026, 5:37 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Sample Collection Study for the CellMax Life Circulating Tumor Cell and Circulating Tumor DNA Platforms for the Early Detection of Colorectal Cancer and Adenomas

NCT05127096
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
FirstSight blood test
Diagnostic Test
Lead sponsor
CellMax Life
Industry
Eligibility
45 Years to 80 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
15
States / cities
Huntsville, Alabama • Chula Vista, California • Lancaster, California + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2021 · Synced Oct 20, 2026, 5:37 AM EDT
Withdrawn Not applicable Interventional

Single Center Comparison of 4 FDA Approved, Commercially Available Bowel Purgatives for Colonoscopy

NCT02124447
View directory record Official record
Conditions
Patients Undergoing Screening or Surveillance Colonoscopy
Interventions
PEG+E, PEG+Asc, P+MC, sulfate
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 10, 2015 · Synced Oct 20, 2026, 5:37 AM EDT
Active, not recruiting Phase 2 Interventional

Therapy Adapted for High Risk and Low Risk HIV-Associated Anal Cancer

NCT04929028
View directory record Official record
Conditions
AIDS-Related Anal Carcinoma, Anal Margin Squamous Cell Carcinoma, Anal Non-Keratinizing Squamous Cell Carcinoma, Anal Squamous Cell Carcinoma, HIV Infection, Rectal Squamous Cell Carcinoma, Stage II Rectal Cancer AJCC v8, Stage IIB Anal Cancer AJCC v8, Stage III Anal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8
Interventions
Anoscopy, Biospecimen Collection, Capecitabine, Colonoscopy, Computed Tomography, Digital Rectal Examination, Echocardiography Test, Fludeoxyglucose F-18, Fluorouracil, Intensity-Modulated Radiation Therapy, Lymph Node Biopsy, Magnetic Resonance Imaging, Mitomycin, Nivolumab, Positron Emission Tomography, Proctoscopy, Questionnaire Administration, Sigmoidoscopy
Procedure · Drug · Other + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2031
U.S. locations
14
States / cities
San Francisco, California • Washington D.C., District of Columbia • Tampa, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 20, 2026, 5:37 AM EDT