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ClinicalTrials.gov public records Last synced Oct 18, 2026, 11:51 AM EDT

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Showing 433–456 of 670 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Colonoscopy Clear all
Completed No phase listed Observational

Virtual Colonoscopy (VC) for Primary Colorectal Screening

NCT00204867
View directory record Official record
Conditions
Colorectal Polyps
Interventions
CTC surveillance
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years and older
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 20, 2016 · Synced Oct 18, 2026, 11:51 AM EDT
Not listed Not applicable Interventional

Performance of the Poseidon System for Fluid Management During Water-aided Colonoscopy

NCT05512026
View directory record Official record
Conditions
Colonic Disease
Interventions
Feasibility Assessment
Device
Lead sponsor
WAE Medical
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Oct 18, 2026, 11:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Active Nurse Participation on Adenoma Detection During Routine Colonoscopy

NCT00859625
View directory record Official record
Conditions
Adenoma
Interventions
nurse observation during colonoscope withdrawal
Procedure
Lead sponsor
Yale University
Other
Eligibility
30 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 22, 2015 · Synced Oct 18, 2026, 11:51 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 18, 2026, 11:51 AM EDT
Withdrawn Phase 2 Interventional

Vedolizumab Post Op Study

NCT02834754
View directory record Official record
Conditions
Crohn's Disease
Interventions
Vedolizumab, placebo
Drug
Lead sponsor
Marc Schwartz
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2020 · Synced Oct 18, 2026, 11:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Screening More Patients for Colorectal Cancer Through Adapting and Refining Targeted Evidence-Based Interventions in Rural Settings, SMARTER CRC

NCT04890054
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Fecal Immunochemical Test, Interview, Patient Navigation
Other · Behavioral
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
5,696 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 18, 2026, 11:51 AM EDT
Withdrawn No phase listed Observational

Mucosal Innate Immune Activation in Chronic Intestinal Disorders

NCT03529318
View directory record Official record
Conditions
Irritable Bowel Syndrome, Inflammatory Bowel Diseases
Interventions
Biopsies from endoscopy
Procedure
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Oct 18, 2026, 11:51 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Sedasys Post Approval Study Users Response to System Alarms

NCT02573818
View directory record Official record
Conditions
Conscious Sedation
Interventions
SEDASYS System
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 24, 2017 · Synced Oct 18, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Results available

A Dose-ranging Study to Evaluate the Safety and Efficacy of LUSEDRA (Fospropofol Disodium) as an Intravenous Sedative for Diagnostic or Therapeutic Colonoscopy in Adult Special Populations

NCT01127438
View directory record Official record
Conditions
Sedation
Interventions
fospropofol disodium Subgroup 1 Lower Dose, fospropofol disodium Subgroup 1 Approved Dose, fospropofol disodium Subgroup 2 Lower Dose, fospropofol disodium Subgroup 2 Approved Dose, fospropofol disodium Subgroup 3 Lower Dose, fospropofol disodium Subgroup 3 Approved Dose
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
23
States / cities
Phoenix, Arizona • Baldwin Park, California • San Diego, California + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2013 · Synced Oct 18, 2026, 11:51 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Use of Accessory Device AmplifEYE During Average Risk Screening Colonoscopy to Increase Adenoma Detection Rate

NCT02885987
View directory record Official record
Conditions
Colonic Polyps
Interventions
AmplifEYE
Device
Lead sponsor
Loma Linda University
Other
Eligibility
50 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2020 · Synced Oct 18, 2026, 11:51 AM EDT
Completed Not applicable Interventional Results available

Minimal Risk Registry of Endoscopic Image and Pathology Correlation for Fujiflim

NCT03440047
View directory record Official record
Conditions
Gastro-Intestinal Disorder
Interventions
Fuji Flim Processor VP-7000, Light Source BL-7000
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
355 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Oct 18, 2026, 11:51 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 18, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Results available

Diphenhydramine as an Adjunctive Sedative in Patients on Chronic Opioids

NCT01967433
View directory record Official record
Conditions
Colonoscopy, Adjunct Anesthesia Medication
Interventions
Diphenhydramine, Placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 64 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Oct 18, 2026, 11:51 AM EDT
Completed No phase listed Observational

Evaluation of One-day Polyethylene Glycol Powder Solution for Colonoscopy in Children

NCT01626040
View directory record Official record
Conditions
Water-Electrolyte Imbalance
Interventions
polyethylene glycol powder
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Year to 18 Years
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 17, 2014 · Synced Oct 18, 2026, 11:51 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Detection of Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) Activity in Rectal Tissues From Human Subjects

NCT01078740
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
CF Therapeutics Development Network Coordinating Center
Network
Eligibility
18 Years to 75 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
3
States / cities
Birmingham, Alabama • Iowa City, Iowa • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 7, 2013 · Synced Oct 18, 2026, 11:51 AM EDT
Completed No phase listed Observational Results available

Comparison of Virologic and Immunologic Responses to Raltegravir and Dolutegravir in the Gastrointestinal Tract of HIV-Positive Adults

NCT02218320
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Raltegravir, Dolutegravir, Colonoscopy with biopsy
Drug · Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 26, 2018 · Synced Oct 18, 2026, 11:51 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Efficacy and Safety of Prepopik® in Children for Overall Colon Cleansing in Preparation for Colonoscopy

NCT01928862
View directory record Official record
Conditions
Need for Bowel Preparation
Interventions
Prepopik® ½ Sachet x 2 (9-12 years), Prepopik® 1 Sachet x 2 (9-12 years), Oral polyethylene glycol (PEG) based preparation (9-12 years), Prepopik® 1 Sachet x 2 (13-16 years), Oral polyethylene glycol (PEG) based preparation (13-16 years)
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
9 Years to 16 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
9
States / cities
Birmingham, Alabama • San Diego, California • Indianapolis, Indiana + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Oct 18, 2026, 11:51 AM EDT
Completed Not applicable Interventional Results available

Improving Bowel Preparation for Colonoscopy With a Simple Educational Card

NCT00643682
View directory record Official record
Conditions
Colonic Polyps, Colonic Neoplasms
Interventions
Educational card
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 1, 2012 · Synced Oct 18, 2026, 11:51 AM EDT
Completed No phase listed Observational

Detection Rate of Serrated Adenomas in Screening Colonoscopy

NCT03442270
View directory record Official record
Conditions
Healthy Patients Undergoing Screening Colonoscopy
Interventions
No Intervention
Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older
Enrollment
276 participants
Timeline
2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 14, 2019 · Synced Oct 18, 2026, 11:51 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 18, 2026, 11:51 AM EDT
Completed No phase listed Observational

Partial Wave Spectroscopic Detection of Colon Cancer Risk

NCT01095432
View directory record Official record
Conditions
Ulcerative Colitis, Colon Cancer
Interventions
PWS Testing
Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Oct 18, 2026, 11:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Gastrointestinal Procedure Appointments

NCT03879616
View directory record Official record
Conditions
Gastrointestinal Disease
Interventions
An Enhanced Reminder
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
21 Years to 120 Years
Enrollment
15,974 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 18, 2026, 11:51 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Virtual Reality to Reduce Pre-Operative Anxiety

NCT04268914
View directory record Official record
Conditions
Virtual Reality, Augmented Reality, IV Stick, Mask Induction, Ambulatory Surgery, Pain, Anxiety
Interventions
Oculus Go VR, Mira Prism VR
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
10 Years to 21 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2023 · Synced Oct 18, 2026, 11:51 AM EDT
Terminated Not applicable Interventional

Early Colonoscopy for Lower Gastrointestinal (GI) Bleeding

NCT01031342
View directory record Official record
Conditions
Gastrointestinal Hemorrhage
Interventions
Early colonoscopy, Elective colonoscopy
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2011 · Synced Oct 18, 2026, 11:51 AM EDT