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ClinicalTrials.gov public records Last synced Oct 18, 2026, 2:05 PM EDT

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Showing 481–504 of 670 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Colonoscopy Clear all
Completed No phase listed Observational Results available

Anal Human Papillomavirus in Inflammatory Bowel Disease Study

NCT01364896
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD), Ulcerative Colitis (UC), Crohn's Disease (CD), Anal Human Papillomavirus
Interventions
Venous blood samples, anal swab samples, vaginal swab samples, high resolution anoscopy (HRA), anal biopsy samples
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced Oct 18, 2026, 2:05 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Metatranscriptomic Markers of Colonic Neoplasia

NCT07786818
View directory record Official record
Conditions
Colorectal Polyps
Interventions
This is an observational study that has no interventions
Other
Lead sponsor
Viome
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 18, 2026, 2:05 PM EDT
Terminated Early Phase 1 Interventional

Fluorescent Probe VGT-309 to ID Cancerous Colorectal Lesions During Augmented Colonoscopy

NCT06034197
View directory record Official record
Conditions
Colorectal Cancer
Interventions
VGT-309
Drug
Lead sponsor
Stephan Rogalla
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Not applicable Interventional Results available

Head to Head Pilot Trial of Mailed Cologuard to Mailed FIT

NCT06173375
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Cologuard, Fecal Immunochemical Test
Diagnostic Test
Lead sponsor
University of California, San Diego
Other
Eligibility
45 Years to 49 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Three Arm Rand Trial of HD Light vs Reveal® Cap vs Endocuff Cap for Detection of Colorectal Adenomas (TRACE)

NCT03952611
View directory record Official record
Conditions
Colorectal Adenoma
Interventions
Colonoscopy, distal Cap, Endocuff
Procedure · Device
Lead sponsor
Midwest Biomedical Research
Other
Eligibility
18 Years to 110 Years
Enrollment
1,203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 16, 2023 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Phase 1 Interventional

Monoclonal Antibody Treatment of Crohn's Disease

NCT00007163
View directory record Official record
Conditions
Crohn's Disease
Interventions
J695
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Phase 4 Interventional

An Efficacy Evaluation of 2 Different Bowel Cleansing Preparations in Adult Subjects

NCT00278967
View directory record Official record
Conditions
Colonoscopy
Interventions
HalfLytely with Bisacodyl Tablets Bowel Prep Kit, HalfLytely - Reformulation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
10
States / cities
Anaheim, California • Jupiter, Florida • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2006 · Synced Oct 18, 2026, 2:05 PM EDT
Recruiting Phase 2 Interventional

Pilot Trial of Fecal Microbiota Transplantation for Lymphoma Patients Receiving Axicabtagene Ciloleucel Therapy.

NCT06218602
View directory record Official record
Conditions
Lymphoma
Interventions
Fecal Microbiota Transplantation, Chemotherapy, CAR-T Therapy
Drug · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Letters Promoting Colorectal Cancer Testing

NCT04548765
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 24, 2021 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tailored Messaging for CRC Screening

NCT03310892
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Generic message, Tailored message
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 75 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Oct 18, 2026, 2:05 PM EDT
Completed No phase listed Observational

Can Sleep Apnea Screening Questionnaire Predict Adverse Events in Endoscopic Studies

NCT03436381
View directory record Official record
Conditions
Sleep Apnea, Adverse Event
Interventions
Questionaire
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
350 participants
Timeline
2018 – 2021
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Oct 18, 2026, 2:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Unprepped CT Colonography

NCT00586053
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older
Enrollment
1,255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 11, 2010 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Colorectal Cancer and Pre-Cancerous Adenoma Non-Invasive Detection Test Study

NCT04739722
View directory record Official record
Conditions
Colorectal Cancer, Advanced Adenocarcinoma, Serrated Polyp
Interventions
ColoSense
Diagnostic Test
Lead sponsor
Geneoscopy, Inc.
Industry
Eligibility
45 Years and older
Enrollment
14,263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
St Louis, Missouri • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Comparison of 5 Low Volume Bowel Preparations

NCT01719653
View directory record Official record
Conditions
Bowel Preparation for Colonoscopy
Interventions
MiraLAX, Gatorade, MoviPrep, SUPREP
Drug · Other
Lead sponsor
Gastroenterology Services, Ltd.
Other
Eligibility
18 Years and older
Enrollment
1,079 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Downers Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2017 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Systems of Support (SOS) to Increase Colon Cancer Screening and Follow-up Supplement

NCT01052922
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
3 sample g-SENSA, 2 sample InSure, 1 sample OC-Micron
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
50 Years to 74 Years
Enrollment
2,260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 18, 2026, 2:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Purpose of This Study is to Determine the Frequency of Colorectal Cancer in Male and Female Endurance Athletes Between the Ages of 35 and 50

NCT05419531
View directory record Official record
Conditions
Colorectal Cancer
Interventions
prospective observational study - screening and follow up colonoscopy
Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
35 Years to 50 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 18, 2026, 2:05 PM EDT
Active, not recruiting No phase listed Observational

The Colonic Microbiome and Mucosal Immunity in Inflammatory Bowel Disease and Ankylosing Spondylitis

NCT02389075
View directory record Official record
Conditions
Inflammatory Bowel Diseases (IBD), Ankylosing Spondylitis (AS)
Interventions
Pinch biopsies, Flexible sigmoidoscopy
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Oct 18, 2026, 2:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Endocuff Vision Colonoscopy vs. AmplifEYE Colonoscopy

NCT03560128
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Polyp, Colorectal Cancer
Interventions
Endocuff Vision device, AmplifEYE device
Device
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Enrollment
634 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Oct 18, 2026, 2:05 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of AI on Trainee ADR

NCT05423964
View directory record Official record
Conditions
Adenoma, Adenoma Colon, Colorectal Cancer
Interventions
AI use in Endoscopy Room, Non-AI use Standard of Care endoscopy room
Diagnostic Test · Other
Lead sponsor
University of Southern California
Other
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Oct 18, 2026, 2:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Relationship of Tenofovir With HIV-1 Suppression in ex Vivo Tissue in Adolescents

NCT02134431
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
flexible sigmoidoscopy or colonoscopy with biopsies
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
10 Years to 21 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Oct 18, 2026, 2:05 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

A Prospective Study of a New Immunochemical Fecal Occult Blood Test in U.S. Veteran Patients Undergoing Colonoscopy

NCT00533975
View directory record Official record
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2007 · Synced Oct 18, 2026, 2:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Resect and Discard Approach to Diminutive Colonic Polyps

NCT01877525
View directory record Official record
Conditions
Benign Polyps of Large Intestine
Interventions
Colonoscopy
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
618 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 13, 2013 · Synced Oct 18, 2026, 2:05 PM 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 18, 2026, 2:05 PM EDT
Completed Phase 2Phase 3 Interventional

Study of AQUAVAN® Injection (AQUAVAN; Fospropofol Disodium) for Sedation During Colonoscopy

NCT00125424
View directory record Official record
Conditions
Colonoscopy, Colonic Polyps
Interventions
AQUAVAN® (fospropofol disodium) Injection, Midazolam HCl
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
20
States / cities
Huntsville, Alabama • Phoenix, Arizona • Atlanta, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2008 · Synced Oct 18, 2026, 2:05 PM EDT