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ClinicalTrials.gov public records Last synced Jun 26, 2026, 6:07 PM EDT

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Showing 1–24 of 242 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Familial Adenomatous Polyposis
Interventions
Personalized surveillance and intervention protocol
Procedure
Lead sponsor
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Completed No phase listed Observational Accepts healthy volunteers

Collecting Recorded Videos of Colonoscopy Tests

NCT03937063
Conditions
Colon Polyp
Interventions
Collecting recorded videos of Colonoscopy screening tests
Other
Lead sponsor
Magentiq Eye LTD
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chattanooga, Tennessee
Conditions
Tubular Adenoma, Colon Cancer, Hyperplastic Polyp
Interventions
Water Exchange Colonoscopy, Air Colonoscopy
Other
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Elk Grove, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT01288833
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
Completed No phase listed Observational Accepts healthy volunteers

Cancer Control Following Polypectomy

NCT00591279
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1981 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Diverticulitis, Colon Polyps, Colorectal Cancer
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
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
Conditions
Colon Cancer, Polyp, Adenoma
Interventions
Chromocolonoscopy
Procedure
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
792 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
3
States / cities
Indianapolis, Indiana • Stony Brook, New York
Completed Phase 2 Interventional Accepts healthy volunteers

Polyp Detection With The Peerscope System™

NCT01549535
Conditions
Colon Polyps and Adenomas, Colon Cancer
Interventions
Colonoscopy done with:PeerMedical System and Olympus/Pentax/Fuji colonoscopy system
Device
Lead sponsor
PeerMedical Ltd.
Industry
Eligibility
18 Years to 70 Years
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
New York, New York
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
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
Conditions
Adenomatous Polyposis Coli
Interventions
Erlotinib, Sulindac, Placebo A, Placebo B
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 69 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Familial Adenomatous Polyposis
Interventions
Electronic Health Record Review
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Rochester, Minnesota • Houston, Texas
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
Completed Phase 2 Interventional Accepts healthy volunteers

Detection and Classification of Colon Polyps

NCT00825292
Conditions
Colon Polyps
Interventions
Polp removal and identification, colon polyp removal, ETMI colonoscope (ETMI scope is a FDA approved device)
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Jacksonville, Florida
Completed No phase listed Observational Accepts healthy volunteers Results available

Complete Histologic Resection of Adenomatous Polyps?

NCT01224444
Conditions
Adenomatous Polyps
Interventions
standard polypectomy snare
Other
Lead sponsor
White River Junction Veterans Affairs Medical Center
Federal
Eligibility
40 Years to 85 Years
Enrollment
269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
2
States / cities
Lebanon, New Hampshire • White River Junction, Vermont
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Effect of Exercise on Biomarkers of Colon Cancer Risk

NCT00668161
Conditions
Colon Cancer Prevention
Interventions
Exercise
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
40 Years to 75 Years
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Colonoscopy Surveillance for Patients With High Risk Colon Polyps

NCT06376565
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
Conditions
Colonic Polyp
Interventions
double balloon interventional platform (DiLumen), no double balloon interventional platform (DiLumen)
Device
Lead sponsor
Mercy Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Colon Cancer, Diverticulitis, Colorectal Polyps, Crohn's Disease, Ulcerative Colitis, Rectal Cancer
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
14 Years to 95 Years
Enrollment
200,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
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
Conditions
Polyp of Colon, Endoscopic Mucosal Resection
Interventions
Cold EMR, Hybrid EMR
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Weston, Florida • Cleveland, Ohio
Conditions
Colorectal Carcinoma, Familial Adenomatous Polyposis
Interventions
Biopsy Procedure, Biospecimen Collection, EP2/EP4 Antagonist TPST-1495, Esophagogastroduodenoscopy, Gastrointestinal Endoscopy, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
4
States / cities
Phoenix, Arizona • Rochester, Minnesota • Salt Lake City, Utah + 1 more
Conditions
Precancerous Condition
Interventions
placebo, eflornithine, sulindac, laboratory biomarker analysis
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years to 80 Years
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2008
U.S. locations
1
States / cities
Orange, California