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ClinicalTrials.gov public records Last synced Oct 17, 2026, 3:43 PM EDT

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Showing 49–72 of 670 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Colonoscopy Clear all
Recruiting Not applicable Interventional

A Pilot Study Examining Low Sulfur Diet as Treatment for Persistent Symptoms in Quiescent Crohn's Disease

NCT05849012
View directory record Official record
Conditions
Crohn's Disease in Remission
Interventions
Low Sulfur Diet, Usual Diet
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 3 Interventional Results available

Study 302: BLI4900 Versus an FDA-approved Comparator in Adult Subjects Prior to Colonoscopy

NCT04446312
View directory record Official record
Conditions
Colonoscopy
Interventions
Bowel Prep
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years to 85 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
34
States / cities
Tucson, Arizona • Little Rock, Arkansas • North Little Rock, Arkansas + 29 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2023 · Synced Oct 17, 2026, 3:43 PM EDT
Terminated Not applicable Interventional Results available

Endoscopic Optical Coherence Tomography for Screening and Diagnosis of Colorectal Precancerous and Malignant Polyps

NCT05179837
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Oct 17, 2026, 3:43 PM EDT
Active, not recruiting Not applicable Interventional

Blood Flow Monitoring to Prevent Post-Polypectomy Induced Ulcer Bleeding

NCT02875353
View directory record Official record
Conditions
Delayed Post-Polypectomy Induced Ulcer Hemorrhage
Interventions
Doppler Endoscopic Probe
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
3
States / cities
Downey, California • Los Angeles, California • West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 4 Interventional

Bowel Preparation for Inpatient Colonoscopy

NCT01169220
View directory record Official record
Conditions
Gastrointestinal Hemorrhage, Colon Cancer, Diverticulosis
Interventions
Go Lytely
Drug
Lead sponsor
Santa Clara Valley Health & Hospital System
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
San Jose, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Oct 17, 2026, 3:43 PM EDT
Not listed Phase 1 Interventional

Reduction of C-Difficile Infection Using Stool Transplant

NCT02112279
View directory record Official record
Conditions
C-difficile
Interventions
Donor microbiota applied via colonoscopy.
Biological
Lead sponsor
Providence Holy Cross Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Mission Hills, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2015 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Not applicable Interventional

Ambient Lighting During Colonoscopy and Its Effect on Adenoma Detection Rate and Eye Fatigue

NCT04441242
View directory record Official record
Conditions
Colorectal Cancer Screening, Colon Adenomatous Polyp
Interventions
Ambient lighting, Low lighting
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
1,109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 4, 2024 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 3 Interventional Results available

A Safety Study of 3 Different Bowel Cleansing Preparations

NCT01501513
View directory record Official record
Conditions
Colonoscopy, Bowel Preparation, Endoscopy
Interventions
PEG-3350 based bowel preparation, BLI800 approved preparation regimen, BLI800 investigational preparation regimen
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
541 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
17
States / cities
Mobile, Alabama • Anaheim, California • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 2 Interventional Results available

Molecular Targeting of 15-Lipoxygenase-1 (15-LOX-1) for Apoptosis Induction in Human Colorectal Cancers

NCT00503035
View directory record Official record
Conditions
Familial Adenomatous Polyposis
Interventions
Celecoxib, Colonoscopy Biopsy
Drug · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
16 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Oct 17, 2026, 3:43 PM EDT
Enrolling by invitation Not applicable Interventional

Imaging the Colon Using a Colonoscope Compatible Imaging Probe

NCT07365436
View directory record Official record
Conditions
Colon Polyps, Colonoscopy
Interventions
Feasibility of using a CC-OCT probe to image the GI tract
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Narrow-Band Imaging Versus Standard White Light for the Detection of Serrated Lesions in the Proximal Colon

NCT01572428
View directory record Official record
Conditions
Colon Cancer
Interventions
Inspection with Narrow-Band Imaging(NBI), Standard White Light
Procedure
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 85 Years
Enrollment
898 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 8, 2019 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 3 Interventional

BLI-800-301: BLI-800 vs an Active Control Bowel Preparation in Adult Subjects Undergoing Colonoscopy

NCT00503607
View directory record Official record
Conditions
Colonoscopy
Interventions
BLI-800, Polyethylene glycol 3350 based bowel preparation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
11
States / cities
Mobile, Alabama • Washington D.C., District of Columbia • Jupiter, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2007 · Synced Oct 17, 2026, 3:43 PM EDT
Active, not recruiting Phase 3 Interventional

Nivolumab After Combined Modality Therapy in Treating Patients With High Risk Stage II-IIIB Anal Cancer

NCT03233711
View directory record Official record
Conditions
Anal Basaloid Carcinoma, Anal Canal Cloacogenic Carcinoma, Anal Margin Squamous Cell Carcinoma, Stage IIB Anal Cancer AJCC v8, Stage III Anal Cancer AJCC v8
Interventions
Biopsy Procedure, Biospecimen Collection, Colonoscopy, Computed Tomography, Digital Rectal Examination, High Resolution Anoscopy, Magnetic Resonance Imaging, Nivolumab, Patient Observation, Proctoscopy, Sigmoidoscopy, X-Ray Imaging
Procedure · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
887
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 568 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Promotora-based Latino Family CVD Risk Reduction

NCT01714271
View directory record Official record
Conditions
Heart Disease, Cancer
Interventions
Home environs-based lifestyle counseling, Cancer early detection
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 1 Interventional

MTC Versus FMT in for RCDI

NCT05911997
View directory record Official record
Conditions
Clostridiodies Difficile Infections
Interventions
MTC 01, Fecal Microbiota Transplantation (FMT)
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 1 Interventional

Panchromoendoscopy Using Oral Indigo Carmine Mixed With Polyethylene Glycol Prep

NCT01901510
View directory record Official record
Conditions
Colonic Polyps
Interventions
Chromoendoscopy (Indigo Carmine), Control
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Oct 17, 2026, 3:43 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

A Study of the Possible Effects of Medication on Young Onset Colorectal Cancer (YOCRC)

NCT05568420
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 49 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 4 Interventional

The Effects of Nexium on the Side Effects Associated With a Colonoscopy Prep

NCT00225238
View directory record Official record
Conditions
Nausea, Vomiting, Abdominal Pain
Interventions
esomeprazole (PPI)
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 5, 2013 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Precision Crohn's Disease Management Utilizing Predictive Protein Panels (ENvISION)

NCT04131504
View directory record Official record
Conditions
Crohn's Disease, IBD
Interventions
Infliximab, Adalimumab
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Year to 22 Years
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
4
States / cities
Hartford, Connecticut • Cincinnati, Ohio • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Early Phase 1 Interventional

Chemopreventive Effects of Epigallocatechin Gallate (EGCG) in Colorectal Cancer (CRC) Patients

NCT02891538
View directory record Official record
Conditions
Colon Cancer
Interventions
Epigallocatechin gallate (EGCG)
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness and Safety of the Colonoscopy With "Visualization" Balloon

NCT02117232
View directory record Official record
Conditions
Colonic Adenomatous Polyps
Interventions
Visualization balloon, Traditional CO2 insufflation colonoscopy
Device
Lead sponsor
Mercy Medical Center
Other
Eligibility
17 Years to 90 Years
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Oct 17, 2026, 3:43 PM EDT
Withdrawn No phase listed Observational

Music Utilization in Sedation and Induction in Colonoscopy

NCT04468048
View directory record Official record
Conditions
Colonoscopy
Interventions
Music: "Nada Himalaya" performed by S. G. Sachchidananda
Other
Lead sponsor
The Brooklyn Hospital Center
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Oct 17, 2026, 3:43 PM EDT
Recruiting Phase 3 Interventional

Testing Continuous Versus Intermittent Treatment With the Study Drug Zanubrutinib for Older Patients With Previously Untreated Mantle Cell Lymphoma

NCT05976763
View directory record Official record
Conditions
Mantle Cell Lymphoma
Interventions
Zanubrutinib, Rituximab, Patient Observation, Bone Marrow Biopsy, Fludeoxyglucose F-18, Positron Emission Tomography, Computed Tomography, Magnetic Resonance Imaging, Esophagogastroduodenoscopy, Colonoscopy, Biospecimen Collection, Questionnaire Administration
Drug · Biological · Other + 1 more
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
60 Years and older
Enrollment
421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2038
U.S. locations
238
States / cities
Little Rock, Arkansas • Beverly Hills, California • Duarte, California + 185 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Not applicable Interventional

The Effects of Moviprep With Simethicone on Colonic Bubbles

NCT01209806
View directory record Official record
Conditions
Bubbles in Colon at Time of Colonoscopy
Interventions
simethicone
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 15, 2019 · Synced Oct 17, 2026, 3:43 PM EDT