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Showing 1–24 of 199 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Polyp Colorectal Clear all
Completed Not applicable Interventional

Unsedated Colonoscopy for Colorectal Cancer Screening and Surveillance

NCT01383252
View directory record Official record
Conditions
Colon Polyp
Interventions
Water infusion in lieu of air insufflation, Air method
Procedure
Lead sponsor
VA Northern California Health Care System
Federal
Eligibility
50 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2013 · Synced Sep 1, 2026, 10:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Optimization of the Bowel Preparation Regimen for the PillCam® COLON 2 Capsule Endoscopy Procedure

NCT02481219
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
PillCam® COLON 2 procedure-CONTROL, Senna tablets, PEG, Metoclopramide, Erythromycin, SUPREP oral sulfate solution, Bisacodyl, SUPREP oral sulfate solution with Gastrografin
Device · Drug
Lead sponsor
Medtronic - MITG
Industry
Eligibility
50 Years to 75 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
6
States / cities
Anniston, Alabama • Indianapolis, Indiana • Dayton, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Sep 1, 2026, 10:19 PM EDT
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 4, 2026 · Synced Sep 1, 2026, 10:19 PM EDT
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 16, 2017 · Synced Sep 1, 2026, 10:19 PM 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 12, 2016 · Synced Sep 1, 2026, 10:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Water Immersion and Polyp Detection: A Randomized Controlled Trial

NCT03231917
View directory record Official record
Conditions
Adenoma, Colonic Neoplasms
Interventions
Water Infusion first, CO2 Insufflation First
Procedure
Lead sponsor
White River Junction Veterans Affairs Medical Center
Federal
Eligibility
50 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Farmington, Connecticut • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Sep 1, 2026, 10:19 PM EDT
Completed No phase listed Interventional Results available

Colorectal Polyp Clinical Decision Support Device Study

NCT04437615
View directory record Official record
Conditions
Polyp, Colorectal, Colonoscopy
Interventions
Colonoscopy, Clinical Decision Support Device
Procedure · Device
Lead sponsor
Olympus Corporation of the Americas
Industry
Eligibility
18 Years and older
Enrollment
2,379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Sep 1, 2026, 10:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Polyp Detection With the EndoRings™: A Randomized Tandem Colonoscopy Study

NCT01955122
View directory record Official record
Conditions
Colon Cancer
Interventions
Tandem Colonoscopy
Device
Lead sponsor
EndoAid
Industry
Eligibility
40 Years to 75 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 5, 2017 · Synced Sep 1, 2026, 10:19 PM EDT
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 9, 2014 · Synced Sep 1, 2026, 10:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

AI-EMERGE: Development and Validation of a Multi-analyte, Blood-based Colorectal Cancer Screening Test

NCT03688906
View directory record Official record
Conditions
Colo-rectal Cancer, Cancer Colon, Cancer, Rectum, Neoplasms,Colorectal, Polyps, Polyp of Colon, Adenoma, Adenoma Colon
Interventions
Not listed
Lead sponsor
Freenome Holdings Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
29
States / cities
Huntsville, Alabama • Chandler, Arizona • Tucson, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 1, 2026, 10:19 PM EDT
Completed No phase listed Observational

Study of Biomarkers in Blood & Tissue Samples From Patients With Colorectal Cancer or Polyps & Patients Without Polyps

NCT00898378
View directory record Official record
Conditions
Colorectal Cancer, Healthy, no Evidence of Disease, Precancerous Condition
Interventions
gene expression analysis, polymerase chain reaction, polymorphism analysis, protein expression analysis, proteomic profiling, gas chromatography, laboratory biomarker analysis, liquid chromatography, mass spectrometry, questionnaire administration
Genetic · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
551 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 17, 2014 · Synced Sep 1, 2026, 10:19 PM 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 6, 2026 · Synced Sep 1, 2026, 10:19 PM EDT
Active, not recruiting No phase listed Observational

CRC Detection Reliable Assessment With Blood

NCT05551052
View directory record Official record
Conditions
Colorectal Cancer, Adenomas Colon, Colon Cancer, Rectal Cancer, Colon Neoplasm, Colon Lesion, Colon Disease, Colon Polyp, Polyps, Adenoma, Rectal Diseases, Rectal Polyp, Gastrointestinal Neoplasms, Intestinal Neoplasms, Colonic Diseases, Functional, Intestinal Disease
Interventions
Next-Gen CRC Screening Test
Diagnostic Test
Lead sponsor
New Day Diagnostics
Network
Eligibility
45 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Chula Vista, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 1, 2026, 10:19 PM EDT
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 18, 2025 · Synced Sep 1, 2026, 10:19 PM EDT
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 20, 2014 · Synced Sep 1, 2026, 10:19 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Patient Satisfaction With Propofol for Out Patient Colonoscopy

NCT02937506
View directory record Official record
Conditions
Colon Cancer, IBS, Polyps
Interventions
Propofol, Fentanyl Plus Midazolam
Drug
Lead sponsor
Mount Carmel Health System
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 25, 2017 · Synced Sep 1, 2026, 10:19 PM EDT
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 Aug 31, 2022 · Synced Sep 1, 2026, 10:19 PM EDT
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 18, 2013 · Synced Sep 1, 2026, 10:19 PM EDT
Terminated Phase 3 Interventional

Chemoprevention of Colorectal Adenomas

NCT00486512
View directory record Official record
Conditions
Adenomatous Polyps
Interventions
0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), Colonoscopy
Drug · Procedure
Lead sponsor
Colotech A/S
Industry
Eligibility
40 Years to 75 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
24
States / cities
Huntsville, Alabama • San Diego, California • Clearwater, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Sep 1, 2026, 10:19 PM EDT
Active, not recruiting Not applicable Interventional

The Beans to Enrich the Gut Microbiome vs. Obesity's Negative Effects (BE GONE) Trial

NCT02843425
View directory record Official record
Conditions
Colorectal Cancer Prevention
Interventions
Regular Diet, Navy Beans (Canned)
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
30 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 1, 2026, 10:19 PM EDT
Completed Phase 3 Interventional

Prevention of Colorectal Sporadic Adenomatous Polyps (PRESAP)

NCT00141193
View directory record Official record
Conditions
Colorectal Adenoma
Interventions
Celecoxib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years and older
Enrollment
1,561 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
10
States / cities
San Diego, California • San Kiego, California • North Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2008 · Synced Sep 1, 2026, 10:19 PM EDT
Recruiting Phase 1Phase 2 Interventional

Safety and Efficacy of Tegavivint in Patients With Metastatic Colorectal Carcinoma

NCT07463599
View directory record Official record
Conditions
Metastatic Colorectal Carcinoma (mCRC), Colorectal Cancer (CRC), Adenomatous Polyposis Coli (APC) Gene Mutation, Catenin Beta-1 (CTNNB1) Gene Mutation
Interventions
Tegavivint
Drug
Lead sponsor
HonorHealth Research Institute
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 1, 2026, 10:19 PM EDT
Terminated Not applicable Interventional

Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps

NCT00870961
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
cholecalciferol, placebo
Dietary Supplement · Other
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 15, 2013 · Synced Sep 1, 2026, 10:19 PM EDT
Recruiting No phase listed Observational

Familial Investigations of Childhood Cancer Predisposition

NCT03050268
View directory record Official record
Conditions
Acute Leukemia, Adenomatous Polyposis, Adrenocortical Carcinoma, AML, BAP1 Tumor Predisposition Syndrome, Carney Complex, Choroid Plexus Carcinoma, Constitutional Mismatch Repair Deficiency Syndrome, Diamond-Blackfan Anemia, DICER1 Syndrome, Dyskeratosis Congenita, Emberger Syndrome, Familial Acute Myeloid Leukemia, Familial Adenomatous Polyposis, Fanconi Anemia, Familial Cancer, Familial Wilms Tumor, Familial Neuroblastoma, GIST, Hereditary Breast and Ovarian Cancer, Hereditary Paraganglioma-Pheochromocytoma Syndrome, Hodgkin Lymphoma, Juvenile Polyposis, Li-Fraumeni Syndrome, Lynch Syndrome, MDS, Melanoma Syndrome, Multiple Endocrine Neoplasia Type 1, Multiple Endocrine Neoplasia Type 2, Neuroblastoma, Neurofibromatosis Type 1, Neurofibromatosis Type II, Nevoid Basal Cell Carcinoma Syndrome, Non Hodgkin Lymphoma, Noonan Syndrome and Other Rasopathy, Overgrowth Syndromes, Pancreatic Cancer, Peutz-Jeghers Syndrome, Pheochromocytoma/Paraganglioma, PTEN Hamartoma Tumor Syndrome, Retinoblastoma, Rhabdoid Tumor Predisposition Syndrome, Rhabdomyosarcoma, Rothmund-Thomson Syndrome, Tuberous Sclerosis, Von Hippel-Lindau Disease
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2037
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 1, 2026, 10:19 PM EDT