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ClinicalTrials.gov public records Last synced Oct 18, 2026, 10:02 AM EDT

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Showing 49–72 of 111 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Colonoscopy only Clear all
Withdrawn Phase 1 Interventional

Randomized Trial Comparing Single vs. Maintenance Fecal Microbiota Transplant for Refractory Crohn's Disease in Children

NCT03747718
View directory record Official record
Conditions
Crohn Disease
Interventions
Fecal Microbiota Transplantation, Placebo
Biological · Other
Lead sponsor
Stanford University
Other
Eligibility
2 Years to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2023 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Artificial Intelligence in Colonoscopy

NCT06621225
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Artificial Intelligence, Mucosal Exposure Device
Device
Lead sponsor
Pankaj Patel
Other
Eligibility
75 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Sebring, Florida
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Oct 18, 2026, 10:02 AM 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 31, 2014 · Synced Oct 18, 2026, 10:02 AM EDT
Terminated Phase 1 Interventional

An Open-Labeled Pilot Study of Biomarker Response Following Short-Term Exposure to Metformin

NCT01816659
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Metformin ER
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2015 · Synced Oct 18, 2026, 10:02 AM EDT
Terminated Not applicable Interventional

Clinical and Urgent Colonoscopy Outcomes Using the Pure-Vu® Cleansing System

NCT04729946
View directory record Official record
Conditions
Lower Gastrointestinal Bleeding, Hemostatic Disorder
Interventions
Pure-Vu Cleansing Device
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
22 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 23, 2023 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Phase 2 Interventional Results available

Pilot Study of Fundamental Modification of the Gut Microbiota in the Treatment of Refractory Crohn's Disease

NCT03476317
View directory record Official record
Conditions
Crohn Disease
Interventions
Vancomycin, Neomycin, Ciprofloxacin, Polyethylene Glycol 3350, Fluconazole
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Oct 18, 2026, 10:02 AM EDT
Not listed Phase 4 Interventional

Colonoscopy and Antiplatelet Therapy Trial

NCT06613191
View directory record Official record
Conditions
Coronary Arterial Disease (CAD), Peripheral Vascular Disease
Interventions
Aspirin, P2Y12 inhibitor (clopidogrel, ticagrelor, prasugrel)
Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
45 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Morning-Only 4 L PEG vs Split Dose Prep for Afternoon Colonoscopies, Endoscopist-Blinded Prospective Study

NCT02643316
View directory record Official record
Conditions
Colonoscopy
Interventions
Same day 4 L preparation (Polyethylene Glycol), Split dose 4 L preparation (Polyethylene Glycol)
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Dec 4, 2019 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Yoga and Bolus Lukewarm Saline as Rapid Colonoscopy Preparation

NCT01547130
View directory record Official record
Conditions
Colonic Neoplasms
Interventions
Normal (0.9%) saline, HalfLytely
Drug
Lead sponsor
Arya, Vijaypal, M.D., P.C.
Individual
Eligibility
21 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Middle Village, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2015 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Phase 2 Interventional

Safety, Efficacy, and Patient Preference of Split-Dose Crystalline Lactulose as a Preparation for Colonoscopy in Adults

NCT01650870
View directory record Official record
Conditions
Colonoscopy
Interventions
Crystalline Lactulose
Drug
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 8, 2014 · Synced Oct 18, 2026, 10:02 AM EDT
Terminated Not applicable Interventional

Study of Performance of Confocal Endomicroscope With Fluorescein Imaging Agent in the Colon

NCT03220711
View directory record Official record
Conditions
Colonic Dysplasia, Adenomatous Polyps, Irritable Bowel Disease
Interventions
confocal endomicroscope, Fluorescein
Device · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 100 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 22, 2022 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Not applicable Interventional

Short Course, Single-dose PEG 3350 for Colonoscopy Prep in Children

NCT01518790
View directory record Official record
Conditions
Colonoscopy
Interventions
polyethylene glycol 3350
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
8 Years to 18 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 10, 2016 · Synced Oct 18, 2026, 10:02 AM EDT
Terminated No phase listed Observational

Cathartic-Free DECT Colonography for Detection of Colonic Polyps

NCT00587028
View directory record Official record
Conditions
Colonic Polyps
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 99 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 22, 2016 · Synced Oct 18, 2026, 10:02 AM EDT
Recruiting Phase 1Phase 2 Interventional

Fecal Microbiota Transplantation for Chronic Granulomatous Disease-Associated Colitis

NCT05333471
View directory record Official record
Conditions
Chronic Granulomatous Disease-associated Colitis
Interventions
MTP 101-LF
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
10 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Not applicable Interventional

Water-aided Colonoscopy vs Air Insufflation Colonoscopy in Colorectal Cancer Screening

NCT02041507
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Adenomas, Colorectal Polyps, Pain
Interventions
Air insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
50 Years to 70 Years
Enrollment
1,224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Oct 18, 2026, 10:02 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Early Detection of Advanced Adenomas and Colorectal Cancer

NCT06342440
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Neoplasms, Colorectal Polyp, Colorectal Adenocarcinoma, Colorectal Disorders, Colorectal Dysplasia, Colorectal Cancer Stage I, Colorectal Cancer Stage II, Colorectal Cancer Stage III, Colorectal Cancer Stage IV, Colorectal Neoplasms Malignant, Colorectal Serrated Adenocarcinoma, Colorectal Adenoma With Severe Dysplasia, Colorectal Adenoma With Mild Dysplasia, Colorectal Adenoma With Moderate Dysplasia, Colorectal Adenoma and Carcinoma 1, Colorectal Adenomatous Polyp, Colorectal Adenocarcinoma Metastatic in the Liver
Interventions
DENEB
Diagnostic Test
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
2
States / cities
Monrovia, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Proposed EZ2go Complete Bowel Cleansing System

NCT01838408
View directory record Official record
Conditions
Screening Colonoscopy, Surveillance Colonoscopy, Colonoscopy
Interventions
Ez2go Complete, LoSo Prep
Other
Lead sponsor
Borland-Groover Clinic
Other
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 27, 2015 · Synced Oct 18, 2026, 10:02 AM EDT
Completed Not applicable Interventional

A Comparison of Air Insufflation, Water Immersion and Water Exchange Colonoscopy in Diagnostic Patients

NCT01781650
View directory record Official record
Conditions
Pain, Colorectal Adenomas, Colorectal Cancer
Interventions
Air Insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 85 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 15, 2014 · Synced Oct 18, 2026, 10:02 AM EDT
Completed No phase listed Observational

A Biospecimen Collection Study to Identify the Targets of Disease-Reactive T Cells in Patients With Autoimmune Disease

NCT06587828
View directory record Official record
Conditions
Autoimmune Diseases, Ulcerative Colitis, Multiple Sclerosis, Scleroderma, Ankylosing Spondylitis, Celiac Disease, Non-radiographic Axial Spondyloarthritis (Nr-axSpA), Crohn&Amp;#39;s Disease, Birdshot Chorioretinitis
Interventions
Companion blood samples with procedure
Procedure
Lead sponsor
TScan Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
11
States / cities
Orange, California • Sherman Oaks, California • Skokie, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 18, 2026, 10:02 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Single Arm Post-marketing Study of SC20 Colonoscope

NCT02279836
View directory record Official record
Conditions
Gentle Colonoscopy
Interventions
SC20 Colonoscope
Device
Lead sponsor
Invendo Medical GmbH
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2015 · Synced Oct 18, 2026, 10:02 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, 10:02 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, 10:02 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, 10:02 AM EDT
Completed Not applicable Interventional Results available

Promoting Informed Decisions About Cancer Screening in Older Adults

NCT03959696
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Notification, Training
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years and older
Enrollment
536 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
Portland, Maine • Boston, Massachusetts • Danvers, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Oct 18, 2026, 10:02 AM EDT