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ClinicalTrials.gov public records Last synced Nov 4, 2026, 6:06 AM EST

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Showing 121–144 of 176 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gastrointestinal Polyps Clear all
Completed No phase listed Observational Accepts healthy volunteers

Microbiome Test for the Detection of Colorectal Polyps and Cancer

NCT02141945
View directory record Official record
Conditions
Colorectal Neoplasms, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Metabiomics Corp
Industry
Eligibility
45 Years to 80 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Chevy Chase, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Nov 4, 2026, 6:06 AM EST
Recruiting No phase listed Observational

Malignant Polyp Registry

NCT07619079
View directory record Official record
Conditions
Malignant Colorectal Polyp, Colorectal Cancer, T1 Colorectal Cancer
Interventions
Questionnaires
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2026 · Synced Nov 4, 2026, 6:06 AM EST
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Polyp Measurement Device

NCT03856255
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Micro-Tech Endoscopic Gauge
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
50 Years to 85 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Nov 4, 2026, 6:06 AM EST
Recruiting Not applicable Interventional

Colonoscopy vs Stool Testing for Older Adults With Colon Polyps

NCT05612347
View directory record Official record
Conditions
Colorectal Polyp, Colorectal Neoplasms, Colorectal Adenoma, Colorectal Cancer, Digestive System Disease
Interventions
FIT, Colonoscopy
Diagnostic Test
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
65 Years to 82 Years
Enrollment
6,434 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
20
States / cities
Birmingham, Alabama • Tucson, Arizona • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Nov 4, 2026, 6:06 AM EST
Completed Phase 3 Interventional

Celecoxib to Prevent Colorectal Cancer in Patients Who Have Undergone Surgery to Remove Polyps

NCT00005094
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer
Interventions
celecoxib, placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
30 Years and older
Enrollment
1,170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 12, 2013 · Synced Nov 4, 2026, 6:06 AM EST
Terminated Phase 2Phase 3 Interventional Results available

Sacral Neuromodulation (SNM) With InterStimTM for Bowel Dysfunction Following Surgery for Rectal Cancers With Sphincter Preservation

NCT02163187
View directory record Official record
Conditions
Rectal Cancer, for Bowel Dysfunction Following Surgery for Rectal Cancers
Interventions
Implantation of the InterStimTM, MSK BFI questionnaires, The Low Anterior Resection Score (LARS) questionnaires, The EuroQOL5D questionnaires, The Fecal incontinence Quality of Life Scale (FIQOL) questionnaires
Device · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Nov 4, 2026, 6:06 AM EST
Recruiting No phase listed Observational

A Personalized Surveillance and Intervention Protocol for Duodenal and Gastric Polyposis in Patients With Familial Adenomatous Polyposis

NCT04677998
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Nov 4, 2026, 6:06 AM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of Blood as a Submucosal Cushion During Endoscopic Polypectomy and Mucosal Resection

NCT00583466
View directory record Official record
Conditions
Large Polyps in the Gastrointestinal Tract
Interventions
Autologous blood injection, Normal saline, HPMC
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 90 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Nov 4, 2026, 6:06 AM EST
Terminated Phase 3 Interventional

Celecoxib in Preventing Polyps in Patients Who Have Undergone Surgery for Stage I Colon Cancer

NCT00087256
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Celecoxib, placebo
Drug · Other
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 7, 2013 · Synced Nov 4, 2026, 6:06 AM EST
Completed Phase 3 Interventional

An Assessment of Goal-Directed Intraoperative Fluid Management in Hand Assisted Laparoscopic Colectomy

NCT00467922
View directory record Official record
Conditions
Crohn's Disease, Ulcerative Colitis, Rectal Cancer, Colon Cancer, Colon Polyps, Rectal Polyps, Diverticulitis
Interventions
Hextend, Lactated Ringers
Drug
Lead sponsor
Corewell Health West
Other
Eligibility
18 Years to 80 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 21, 2009 · Synced Nov 4, 2026, 6:06 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Plasma ctDNA in Patients Undergoing Diagnostic Colonoscopy

NCT02665299
View directory record Official record
Conditions
Colon Cancer, Colon Adenomas, Colon Polyps
Interventions
Not listed
Lead sponsor
Pathway Genomics
Industry
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Nov 4, 2026, 6:06 AM EST
Completed Not applicable Interventional

Accelerated Enhanced RECOVERy Following Minimally Invasive Colorectal Cancer Surgery (RecoverMI)

NCT02613728
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Accelerated Recovery Plan, Early Discharge, Telemedicine, Standard Enhanced Care
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 79 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 15, 2022 · Synced Nov 4, 2026, 6:06 AM EST
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 Nov 4, 2026, 6:06 AM EST
Completed No phase listed Observational

Follow-Up Phone Calls After Colorectal Surgery

NCT00474097
View directory record Official record
Conditions
Colorectal Surgery, Colorectal Neoplasms, Colitis, Ulcerative, Diverticulitis, Colonic Polyps
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2014 · Synced Nov 4, 2026, 6:06 AM EST
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 Nov 4, 2026, 6:06 AM EST
Terminated Not applicable Interventional Results available

Bioabsorbable Staple Line Reinforcement in Colorectal,Coloanal and Ileoanal Anastomoses

NCT00663819
View directory record Official record
Conditions
Rectal Cancer, Ulcerative Colitis, Familial Adenomatous Polyposis, Diverticulitis
Interventions
GORE SEAMGUARD® Bioabsorbable Staple Line Reinforcement, Staple line without reinforcement
Device · Procedure
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
18 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
16
States / cities
Mobile, Alabama • Los Angeles, California • Weston, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Nov 4, 2026, 6:06 AM EST
Completed Not applicable Interventional

Computer Aided Detection of Polyps in the Colon

NCT03925337
View directory record Official record
Conditions
Polyp, Adenomatous, Colo-rectal Cancer
Interventions
Computer Aided Diagnostic Software
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
22 Years and older
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
4
States / cities
Chicago, Illinois • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Nov 4, 2026, 6:06 AM EST
Completed Not applicable Interventional

Japanese National Computed Tomographic (CT) Colonography Trial

NCT00997802
View directory record Official record
Conditions
Colonic Polyps, Colonic Neoplasms
Interventions
CT colonography and optical colonoscopy
Device
Lead sponsor
Japanese CT Colonography Society
Other
Eligibility
20 Years and older
Enrollment
1,257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2017 · Synced Nov 4, 2026, 6:06 AM EST
Completed Phase 4 Interventional

Improving Complete Endoscopic Mucosal Resection (EMR) of Colorectal Neoplasia

NCT01471756
View directory record Official record
Conditions
Neoplasms, Gastric Cancer
Interventions
Standard of Care Procedure as described in ARM
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Nov 4, 2026, 6:06 AM EST
Completed Phase 2 Interventional

Celecoxib in Preventing Cancer in Patients With Rectal Polyps or Colorectal Neoplasia

NCT00043043
View directory record Official record
Conditions
Colorectal Cancer
Interventions
celecoxib
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Nov 4, 2026, 6:06 AM EST
Completed Phase 2 Interventional Results available

A Clinical Trial of COX and EGFR Inhibition in Familial Polyposis Patients

NCT01187901
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 17, 2016 · Synced Nov 4, 2026, 6:06 AM EST
Completed Not applicable Interventional

Impact of a Novel Patient Educational Booklet on Colonoscopy Quality

NCT00975247
View directory record Official record
Conditions
Colon Cancer, Colonoscopy
Interventions
Receiving an educational booklet
Other
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Nov 4, 2026, 6:06 AM EST
Completed Phase 3 Interventional Accepts healthy volunteers Results available

S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000

NCT00706121
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
Vitamin E, Selenium, Vitamin E placebo, selenium placebo
Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
50 Years to 120 Years · Male only
Enrollment
8,094 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2018
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Nov 4, 2026, 6:06 AM EST
Completed No phase listed Observational

Calcium/Vitamin D, Biomarkers & Colon Polyp Prevention

NCT00399607
View directory record Official record
Conditions
Colorectal Adenomatous Polyps
Interventions
Rectal biopsy during colonoscopy, Rectal biopsy at randomization, Rectal biopsy at 1 year, Rectal biopsy prior to colonoscopy, Biopsies during colonoscopy
Procedure
Lead sponsor
Emory University
Other
Eligibility
45 Years to 75 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
9
States / cities
Los Angeles, California • Denver, Colorado • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2016 · Synced Nov 4, 2026, 6:06 AM EST