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Showing 1–24 of 425 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Colonoscopy Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The PRIME-CRC Trial to Promote CRC Screening in Rural Communities

NCT04313114
View directory record Official record
Conditions
Colorectal Cancer
Interventions
health literacy appropriate education and demonstration, shared decision making, automated call reminders or automated texts
Behavioral
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
45 Years to 75 Years
Enrollment
804 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
3
States / cities
Bastrop, Louisiana • Marion, Louisiana • Saint Joseph, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Jul 21, 2026, 4:42 PM EDT
Not listed Phase 1Phase 2 Interventional

Endoscopic Mucosal Resection (EMR) for Diagnosis of Hirschsprung's Disease

NCT00671684
View directory record Official record
Conditions
Chronic Constipation, Hirschsprung's Disease
Interventions
Endoscopic Mucosal Resection (EMR)
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 4, 2008 · Synced Jul 21, 2026, 4:42 PM EDT
Terminated No phase listed Observational

The Utility of Time Segmental Withdrawal During Screening Colonoscopy for Increasing Adenoma Detection Rate.

NCT02538406
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Jul 21, 2026, 4:42 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Efficacy and Tolerability of Suprep With and Without Simethicone for Routine Colonoscopy for Colorectal Cancer Screening

NCT02523911
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Simethicone, Placebo, sodium sulfate/potassium sulfate/magnesium sulfate solution
Drug
Lead sponsor
MercyOne Des Moines Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Jacksonville, Florida • Clive, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 11, 2020 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Phase 1 Interventional

G-CSF to Treat Crohn's Disease

NCT00025805
View directory record Official record
Conditions
Crohn's Disease
Interventions
G-CSF
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional

Pivotal Study of the CapsoCam Colon (CV-3) in Detecting Colonic Polyps, Using Colonoscopy as the Reference

NCT04607746
View directory record Official record
Conditions
Colonic Polyp
Interventions
Capsule Endoscope
Device
Lead sponsor
Capso Vision, Inc.
Industry
Eligibility
45 Years to 75 Years
Enrollment
1,337 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
23
States / cities
Scottsdale, Arizona • Lancaster, California • Los Gatos, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Jul 21, 2026, 4:42 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Outcome of Colonoscopy Screening and Surveillance

NCT01827241
View directory record Official record
Conditions
Gastroenterology
Interventions
Chart Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Jul 21, 2026, 4:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Patient Preference With Visicol Tablet Preparation for Colonoscopy

NCT00318305
View directory record Official record
Conditions
Preparation for Colonoscopy
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 1, 2009 · Synced Jul 21, 2026, 4:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adherence and the Economics of Colon Cancer Screening

NCT00705731
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years to 79 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2012 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional

Study of Adherence to Colonoscopy in Women

NCT00883545
View directory record Official record
Conditions
Colonoscopy
Interventions
Woman endoscopist, Usual care
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 6, 2013 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Cold Forcep and Cold Snare Polypectomy for Polyps Less Than or Equal to 3mm in Size During Colonoscopy

NCT04551001
View directory record Official record
Conditions
Colo-rectal Cancer, Polyp of Colon, Adenomatous Polyp of Colon
Interventions
Cold forcep polypectomy, Cold snare polypectomy
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Jul 21, 2026, 4:42 PM EDT
Completed No phase listed Observational

Comparative Effectiveness of FITs With Colonoscopy

NCT03264898
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Fecal immunochemical test (FIT)
Device
Lead sponsor
Barcey T. Levy
Other
Eligibility
50 Years to 85 Years
Enrollment
3,761 participants
Timeline
2017 – 2023
U.S. locations
3
States / cities
Iowa City, Iowa • Chapel Hill, North Carolina • El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional Results available

Translation of Colorectal Cancer Screening Guidelines to Practice: A System Intervention

NCT00122187
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Electronic Consult System
Device
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
9
States / cities
Phoenix, Arizona • Tucson, Arizona • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2015 · Synced Jul 21, 2026, 4:42 PM EDT
Completed No phase listed Observational

Effect of Anesthesia on Force Application During Colonoscopy

NCT02101099
View directory record Official record
Conditions
Outpatient Colonoscopy for Colorectal Cancer Screening or for Symptoms Suggestive of Colonic Diseases
Interventions
Colonoscopy Force Monitor
Device
Lead sponsor
Artann Laboratories
Industry
Eligibility
30 Years to 75 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Chevy Chase, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional

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

NCT00697047
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Automated Mailing, Automated Mailing Plus Assisted, Auto Plus Assisted Plus Navigation
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
50 Years to 73 Years
Enrollment
4,653 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 2, 2020 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cap-fitted Colonoscopy: a Randomized, Tandem Colonoscopy Study of Adenoma Miss Rates

NCT00577083
View directory record Official record
Conditions
Polyps
Interventions
Cap-fitted colonoscopy
Device
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 9, 2018 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Phase 4 Interventional

Diagnostic Accuracy of Capsule Endoscopy in Small Bowel Crohn's Disease

NCT00588653
View directory record Official record
Conditions
Crohn's Disease
Interventions
Capsule endoscopy, CT enterography, colonoscopy, small bowel follow-through
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 7, 2008 · Synced Jul 21, 2026, 4:42 PM EDT
Not listed No phase listed Observational

Global State of Digestive Endoscopy Training Survey

NCT02735655
View directory record Official record
Conditions
Gastrointestinal Endoscopy Training
Interventions
Physician's opinion
Other
Lead sponsor
Al-Azhar University
Other
Eligibility
18 Years to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Albertson, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2016 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects and Tolerability With Clenpiq and Low Residue Diet

NCT04150133
View directory record Official record
Conditions
Colonoscopy Preparation
Interventions
Low Residue Diet
Other
Lead sponsor
Hillmont GI
Other
Eligibility
18 Years to 80 Years
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Flourtown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 15, 2022 · Synced Jul 21, 2026, 4:42 PM 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 9, 2015 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scaling CRC Screening Through Outreach, Referral, and Engagement (SCORE)

NCT04406714
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Trial Mailed FIT Intervention - Age Group 50-75, Sub-Study Mailed FIT Intervention Enhanced Envelope - Age Group 45-49, Sub-Study Mailed FIT Active Comparator Plain Envelope - Age Group 45-49
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
45 Years to 75 Years
Enrollment
4,318 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Ahoskie, North Carolina • Hendersonville, North Carolina
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional Results available

Risk of Post-polypectomy Bleeding With Prophylactic Hemoclipping

NCT01647581
View directory record Official record
Conditions
Post-polypectomy Bleeding, Polypectomy, Elective Colonoscopy
Interventions
Hemoclip Placement, NO hemoclip placement
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
11,182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
3
States / cities
Dallas, Texas • San Antonio, Texas • Temple, Texas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional

Comparison of Methods to Distend the Colon During Insertion: CO2, Air Insufflation, Water-aided Colonoscopy

NCT01954862
View directory record Official record
Conditions
Pain, Colorectal Adenomas, Colorectal Cancer
Interventions
Air Insufflation method., CO2 insufflation, Water Immersion/CO2, Water Exchange/CO2, Water Immersion/AI, Water Exchange/AI
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 85 Years
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2014 · Synced Jul 21, 2026, 4:42 PM EDT
Completed Not applicable Interventional

Improving the Frequency of Colonoscopy in Patients With a Previous Colorectal Polyp

NCT00397969
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
counseling intervention, screening colonoscopy
Other · Procedure
Lead sponsor
Harvard Medical School (HMS and HSDM)
Other
Eligibility
21 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2013 · Synced Jul 21, 2026, 4:42 PM EDT