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Showing 1–24 of 83 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Standard procedure for colonoscopy Clear all
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 25, 2018 · Synced Sep 10, 2026, 12:09 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Parkinson's Disease Biomarkers in Nerve Cells in the Gut

NCT05347407
View directory record Official record
Conditions
Parkinson Disease
Interventions
Colonoscopy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 10, 2026, 12:09 PM EDT
Terminated Not applicable Interventional Results available

Evaluate the Safety and Diagnostic Advantages of Tilt Down Verses Standard Horizontal Colonoscopy Positioning

NCT01815671
View directory record Official record
Conditions
Diverticulosis
Interventions
colonoscopy in the lateral horizontal position
Procedure
Lead sponsor
Specialists in Gastroenterology, LLC
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 4, 2014 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Latino Peers as Patient Navigators for Colon Cancer Screening

NCT02226107
View directory record Official record
Conditions
Colon Cancer
Interventions
Peer-PN, Pro-PN
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2015 · Synced Sep 10, 2026, 12:09 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Combinatorial Single Cell Strategies for a Crohn's Disease Gut Cell Atlas

NCT04113733
View directory record Official record
Conditions
Crohn Disease
Interventions
Sample Collection
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Colon Capsule Endoscopy (CCE) Versus Computed Tomographic Colonography (CTC) in the Identification of Colonic Polyps in a Screening Population.

NCT02754661
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
COLON Capsule endoscopy, Computed Tomographic Colonography
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
50 Years to 75 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
13
States / cities
Mobile, Alabama • Jacksonville, Florida • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Colorectal Cancer Screening for Diverse Hispanics in Urban Primary Care

NCT01569620
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
Best clinical practices plus culturally targeted print materials, Best clinical practices plus standard print materials, Best clinical practices alone
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years to 85 Years
Enrollment
386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Cecal Intubation Rates and Pain Levels Between Water Exchange and Air Insufflation Flexible Sigmoidoscopy

NCT03209349
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Water Exchange Sigmoidoscopy, Air Insufflation Sigmoidoscopy
Procedure
Lead sponsor
Kelowna Gastroenterology Associates
Other
Eligibility
50 Years to 74 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
North Hills, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2022 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional

Impact of Carbon Dioxide Insufflation and Water Exchange on Post-Colonoscopy Outcomes

NCT02409979
View directory record Official record
Conditions
Abdominal Pain
Interventions
Carbon dioxide method, Water Exchange-CO2, Water Exchange-AI
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 80 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 4, 2015 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Choice on Colorectal Cancer Screening

NCT05275530
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Neoplasms, Health Screening
Interventions
Active FIT Choice, Active Colonoscopy Choice, Active Dual Choice
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
45 Years to 49 Years
Enrollment
20,509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Los Angeles, California • Westwood, Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 10, 2026, 12:09 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Smartphone-enabled Hybrid Identification of Early CoLorectal Disease Using Blood-Based Cancer Testing Across TeXas

NCT07398456
View directory record Official record
Conditions
Colorectal Cancer (CRC) Screening
Interventions
Educational Information via Smartphone App
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
45 Years to 84 Years
Enrollment
5,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hyperspectral Endoscopy Imaging for the Early Detection of Precancerous Lesions in Average Risk Patients

NCT04172493
View directory record Official record
Conditions
Patient
Interventions
Hyperspectral Endoscopy (HySE), White Light Endoscopy (WLE)
Procedure · Device
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 7, 2020 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional Results available

Compare Propofol to Fentanyl and Midazolam for Colonoscopy

NCT01488045
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer, Colonic Diverticulosis
Interventions
Fentanyl, Propofol, Midazolam
Drug
Lead sponsor
Trinity Health Michigan
Other
Eligibility
18 Years and older
Enrollment
289 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced Sep 10, 2026, 12:09 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Randomized Controlled Study Comparing Colon Evaluation With The Pure-Vu System To A Standard Colonoscopy In Patients Who Are High Risk For Inadequate Bowel Preparation

NCT04285008
View directory record Official record
Conditions
Gastrointestinal Disease, Colorectal Cancer
Interventions
Pure-Vu System
Device
Lead sponsor
Motus GI Medical Technologies Ltd
Industry
Eligibility
22 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 24, 2020 · Synced Sep 10, 2026, 12:09 PM EDT
Withdrawn Not applicable Interventional

Comparison of High-flow Oxygen With or Without Nasal Positive Airway Pressure (PAP) During Propofol Sedation for Colonoscopy in an Ambulatory Surgical Center

NCT05754255
View directory record Official record
Conditions
Colonoscopy, Positive-Pressure Respiration
Interventions
Nasal Cannula, Nasal Positive Airway Pressure System
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 10, 2026, 12:09 PM EDT
Enrolling by invitation No phase listed Observational

Physiologic and Functional Adaptations of Insulin Sensitive Tissues

NCT03407833
View directory record Official record
Conditions
Diabetes, Insulin Resistance, Obesity, Bariatric Surgery Candidate, Roux-en-y Gastric Bypass, Liver Diseases
Interventions
Endoscopy biopsy, Surgical biopsy, Mixed-meal tolerance test, Excised Liver Tissue Sampling
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 10, 2026, 12:09 PM EDT
Completed No phase listed Observational

Prospective Evaluation of Combined Laparoscopy With CO2 Intraoperative Colonoscopy Treatment for Colorectal Lesions

NCT00725465
View directory record Official record
Conditions
Colorectal Polyps
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Sep 10, 2026, 12:09 PM 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 20, 2022 · Synced Sep 10, 2026, 12:09 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Assessing Effect of Withdrawal Time on Adenoma Detection Rate for Screening Colonoscopy

NCT05018325
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer, Colorectal Cancer
Interventions
Colonoscopy with 6 minute withdrawal, Colonoscopy 9 minute withdrawal, Colonoscopy 12 minute withdrawal
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Phase 1 Interventional

Study of KCC Peptide Application in the Colon

NCT02156557
View directory record Official record
Conditions
Colon Polyps, Colorectal Cancer, Inflammatory Bowel Disease (IBD)
Interventions
Colon KCC Heptapeptide
Biological
Lead sponsor
Danielle Kim Turgeon
Other
Eligibility
18 Years to 100 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Phase 4 Interventional

Assessment of Safety, Quality, and Acceptance of a Bowel Preparation Using a Food Kit With Laxatives

NCT07605897
View directory record Official record
Conditions
Bowel Preparation, Efficacy, Tolerability, Safety, Colon Cancer Screening, Bowel Preparation for Colonoscopy
Interventions
Use of a standardized meal content (food-kit) the day prior to colonoscopy, Polyethylene glycol 3350 - electrolyte solution (GoLYTELY)
Other · Drug
Lead sponsor
Joseph Spataro
Federal
Eligibility
18 Years to 69 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gastroenterology Artificial INtelligence System for Detecting Colorectal Polyps (The GAIN Study)

NCT05275556
View directory record Official record
Conditions
Colon Adenoma, Colon Polyp, Colon Lesion
Interventions
Computer-Assisted Detection (CADe) Device
Device
Lead sponsor
Verily Life Sciences LLC
Industry
Eligibility
45 Years to 80 Years
Enrollment
1,410 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
5
States / cities
Rochester, Minnesota • Durham, North Carolina • Mentor, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Sep 10, 2026, 12:09 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Colonoscopy or Fecal Occult Blood Test in Screening Healthy Participants for Colorectal Cancer

NCT00102011
View directory record Official record
Conditions
Colorectal Cancer
Interventions
annual screening, fecal occult blood test, screening colonoscopy, standard follow-up care
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
40 Years to 69 Years
Enrollment
4,952 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2026
U.S. locations
4
States / cities
Shreveport, Louisiana • Minneapolis, Minnesota • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 10, 2026, 12:09 PM EDT
Completed No phase listed Observational

The Role of the Pregnane X Receptor (PXR) in Indole Signaling and Intestinal Permeability in Inflammatory Bowel Disease

NCT04089501
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
Stool collection, Biopsy collection
Diagnostic Test
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Up to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2019 · Synced Sep 10, 2026, 12:09 PM EDT