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ClinicalTrials.gov public records Last synced Nov 3, 2026, 4:53 PM EST

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Showing 49–72 of 176 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gastrointestinal Polyps Clear all
Not listed Not applicable Interventional

Augmentation of Screening Colonoscopy With Fecal Immunochemical Testing

NCT00892593
View directory record Official record
Conditions
Colon Cancer
Interventions
Fecal Immunochemical Testing
Device
Lead sponsor
Forsyth Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
3
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Nov 3, 2026, 4:53 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Prevalence and Topography of Adenomas in 40-49 Year Old Patients With a Family History of Colon Cancer

NCT02289053
View directory record Official record
Conditions
Colorectal Cancer, Colon Polyps, Adenomatous Polyp of Colon
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 49 Years
Enrollment
1,623 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
6
States / cities
Bethesda, Maryland • Ann Arbor, Michigan • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Nov 3, 2026, 4:53 PM EST
Completed Phase 1 Interventional Results available

Perfusion Assessment in Laparoscopic Left Anterior Resection

NCT01560377
View directory record Official record
Conditions
Rectal Cancer, Colon Cancer, Crohn's Disease, Polyp, Procidentia, Diverticulitis
Interventions
PINPOINT Endoscopic Fluorescence Imaging System
Device
Lead sponsor
Novadaq Technologies ULC, now a part of Stryker
Industry
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
11
States / cities
Los Angeles, California • Orange, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Nov 3, 2026, 4:53 PM EST
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 19, 2013 · Synced Nov 3, 2026, 4:53 PM EST
Recruiting No phase listed Observational

Novel Bipolar Radiofrequency Ablation Knife in Esophageal Lesions

NCT06476678
View directory record Official record
Conditions
Esophageal Neoplasm, Esophageal Polyp, Endoscopic Submucosal Dissection, Bipolar Electrocautery
Interventions
Speedboat™ Ultraslim
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Nov 3, 2026, 4:53 PM EST
Completed Not applicable Interventional

Improving Competency and Metrics for PoLypectomy Skills Using Evaluation Tools and VidEo Feedback (COMPLETE)

NCT03115008
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Video-based terminal feedback
Behavioral
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
25 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Nov 3, 2026, 4:53 PM EST
Completed Phase 1 Interventional

A Study of Guselkumab in Participants With Familial Adenomatous Polyposis

NCT03649971
View directory record Official record
Conditions
Adenomatous Polyposis Coli
Interventions
Guselkumab, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
18
States / cities
Phoenix, Arizona • Duarte, California • New Haven, Connecticut + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Nov 3, 2026, 4:53 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Study of a Screening Blood Test to Determine Patients' Potential Risk of Adenomatous or Advanced Colon Polyps (ACPs)

NCT01062035
View directory record Official record
Conditions
Colonic Polyp
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 60 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2014 · Synced Nov 3, 2026, 4:53 PM EST
Not listed No phase listed Observational Accepts healthy volunteers

Evaluation of Stool Tagging for Improved Patient Compliance

NCT00124163
View directory record Official record
Conditions
Colon Cancer, Polyps
Interventions
Imaging procedure of CT colonography
Procedure
Lead sponsor
Center for Diagnostic Imaging
Other
Eligibility
45 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 2, 2006 · Synced Nov 3, 2026, 4:53 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Endocuff Vision Colonoscopy vs. AmplifEYE Colonoscopy

NCT03560128
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Polyp, Colorectal Cancer
Interventions
Endocuff Vision device, AmplifEYE device
Device
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Enrollment
634 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Nov 3, 2026, 4:53 PM EST
Terminated Early Phase 1 Interventional

18F-FES PET/CT in Imaging Patients With Desmoid Tumors

NCT02374931
View directory record Official record
Conditions
Deep Fibromatosis/Desmoid Tumor, Familial Adenomatous Polyposis
Interventions
F-18 16 Alpha-Fluoroestradiol, Positron Emission Tomography, Computed Tomography, Laboratory Biomarker Analysis
Drug · Procedure · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced Nov 3, 2026, 4:53 PM EST
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Impact of Dietary Intervention on Inflammation and Microbiome Composition Post-Colonoscopy

NCT06603519
View directory record Official record
Conditions
Colorectal Polyp, Inflammation, Dietary Intervention, Microbiota, Colorectal Neoplasms, Metabolomics
Interventions
Modified Plant-Based Mediterranean Diet
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Nov 3, 2026, 4:53 PM EST
Completed Not applicable Interventional Results available

Hybrid APC Assisted EMR for Large Colon Polyps

NCT03390907
View directory record Official record
Conditions
Colon Polyp, Colon Adenoma, Colon Cancer
Interventions
Hybrid APC
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 89 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 8, 2021 · Synced Nov 3, 2026, 4:53 PM EST
Completed Phase 2 Interventional Accepts healthy volunteers

Chemoprevention With Folic Acid

NCT00018551
View directory record Official record
Conditions
Colon Cancer, Adenoma, Colonic Polyps
Interventions
Folic Acid
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 21, 2009 · Synced Nov 3, 2026, 4:53 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Study of Real Time Colorectal Polyp Diagnosis During Colonoscopy - the VALID Colonoscopy Study

NCT01288833
View directory record Official record
Conditions
Colorectal Neoplasm, Colonic Polyps
Interventions
Close focus HD NBI Colonoscopy System
Device
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
18 Years and older
Enrollment
558 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
2
States / cities
Palo Alto, California • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Nov 3, 2026, 4:53 PM EST
Completed No phase listed Observational

Post-Op Quality of Life After Colorectal Surgery

NCT00468455
View directory record Official record
Conditions
Colorectal Neoplasms, Colitis, Ulcerative, Diverticulitis, Colonic Polyps, Crohn Disease
Interventions
Laparoscopic or open colorectal surgery
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2014 · Synced Nov 3, 2026, 4:53 PM EST
Completed Phase 2 Interventional Results available

Curcumin in Treating Patients With Familial Adenomatous Polyposis

NCT00641147
View directory record Official record
Conditions
Familial Adenomatous Polyposis
Interventions
Curcumin, Laboratory Biomarker Analysis, Placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 85 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 29, 2017 · Synced Nov 3, 2026, 4:53 PM EST
Terminated Not applicable Interventional

A Clinical Study To Measure The Effect Of Use Of Artificial Intelligence (AI) Enabled Computer Aided Detection (CADe) Assistance Software In Detecting Colon Polyps During Standard Colonoscopy Procedures

NCT04555135
View directory record Official record
Conditions
Colon Polyp, Colon Neoplasm, Colon Adenoma
Interventions
EndoVigilant Software
Device
Lead sponsor
EndoVigilant Inc
Industry
Eligibility
45 Years and older
Enrollment
769 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Mission Viejo, California • Waterbury, Connecticut • Greenbelt, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2022 · Synced Nov 3, 2026, 4:53 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Predicting Adenomatous Polyps in the Colon Using Images of a Human Tongue

NCT06305364
View directory record Official record
Conditions
Colorectal Neoplasms, Gastrointestinal Microbiome
Interventions
Gixam
Device
Lead sponsor
Jubaan Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
426 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Nov 3, 2026, 4:53 PM EST
Completed Not applicable Interventional Results available

Indocyanine Green Fluorescent Molecular Imaging of the Gastrointestinal Tract

NCT01112514
View directory record Official record
Conditions
High Risk Polyposis Syndrome, Distal Colonic Lesions, Colorectal Polyps
Interventions
indocyanine green
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 24, 2014 · Synced Nov 3, 2026, 4:53 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of EverLift in the Performance of Polypectomy for Polyps 4-9mm

NCT04551014
View directory record Official record
Conditions
Colo-rectal Cancer, Polyp of Colon, Adenomatous Polyp of Colon
Interventions
Use of EverLift, Without use of EverLift
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Nov 3, 2026, 4:53 PM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Colonoscopy Surveillance for Patients With High Risk Colon Polyps

NCT06376565
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Best Practice, Communication Intervention, Interview
Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
1,680 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Nov 3, 2026, 4:53 PM EST
Completed No phase listed Observational Accepts healthy volunteers Results available

Multi-Target Colorectal Cancer Screening Test for the Detection of Colorectal Advanced Adenomatous Polyps and Cancer

NCT01397747
View directory record Official record
Conditions
Colorectal Neoplasms, Digestive System Diseases, Colonic Diseases, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
50 Years to 84 Years
Enrollment
12,776 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
182
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Tucson, Arizona + 130 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Nov 3, 2026, 4:53 PM EST
Completed Phase 3 Interventional Results available

Trial of Eflornithine Plus Sulindac in Patients With Familial Adenomatous Polyposis (FAP)

NCT01483144
View directory record Official record
Conditions
Familial Adenomatous Polyposis
Interventions
Eflornithine, Eflornithine Placebo, Sulindac 150 MG, Sulindac placebo
Drug
Lead sponsor
Cancer Prevention Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
10
States / cities
La Jolla, California • Atlanta, Georgia • Boston, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Nov 3, 2026, 4:53 PM EST