Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 26, 2026, 4:51 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Adenomatous Polyp, Colorectal Carcinoma
Interventions
macrogol 3350-based oral osmotic laxative, Placebo, Laboratory Biomarker Analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
3
States / cities
Chicago, Illinois • Evanston, Illinois • Boston, Massachusetts
Active, not recruiting Not applicable Interventional

CryoBalloon Ablation for Treatment of Duodenal Adenomas

NCT03847636
Conditions
Duodenal Adenomas, Familial Adenomatous Polyposis
Interventions
CryoBalloon ablation
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
4
States / cities
Baltimore, Maryland • Manhasset, New York • Danville, Pennsylvania + 1 more
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
2021 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Colon Cancer Screening, Colon Cancer Surveillance
Interventions
Endocuff and GI Genius, GI Genius
Device
Lead sponsor
Marshall University
Other
Eligibility
18 Years and older
Enrollment
1,766 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Huntington, West Virginia
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Folate on Colon and Blood Cells

NCT00220012
Conditions
Subjects Will Have a Pre-cancerous Colorectal Polyp, Family Member Has History of Colorectal Adenoma of Adenocarcinoma
Interventions
Folate depletion and supplementation
Procedure
Lead sponsor
Rockefeller University
Other
Eligibility
40 Years to 72 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
New York, New York
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
rosuvastatin, placebo
Drug · Other
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
584
States / cities
Anniston, Alabama • Mobile, Alabama • Fort Smith, Arkansas + 423 more
Completed No phase listed Observational Accepts healthy volunteers

Plasma ctDNA in Patients Undergoing Diagnostic Colonoscopy

NCT02665299
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
Conditions
Colon Adenoma, Polyp of Colon, Adenoma Colon
Interventions
Ultivision AI
Device
Lead sponsor
Satisfai Health, Inc.
Industry
Eligibility
45 Years to 75 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Irvine, California • Kansas City, Kansas
Conditions
Lynch Syndrome, Colorectal Cancer, Colonic Adenoma, Colonic Polyp
Interventions
Cologuard test
Diagnostic Test
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Conditions
Colon Cancer Screening, Colon Polyps, Colon Adenomas, Water Exchange Colonoscopy
Interventions
Olympus transparent cap, Medivators Endocuff, Control
Device
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California
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
Conditions
Familial Adenomatous Polyposis
Interventions
REC-4881, Placebo
Drug
Lead sponsor
Recursion Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
17
States / cities
Scottsdale, Arizona • Tucson, Arizona • San Diego, California + 14 more
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
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
Conditions
Screening Colonoscopy, Surveillance Colonoscopy
Interventions
Screening or Surveillance Conventionall colonoscopy
Procedure
Lead sponsor
Magentiq Eye LTD
Industry
Eligibility
18 Years to 90 Years
Enrollment
952 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
4
States / cities
Baltimore, Maryland • New York, New York • Cleveland, Ohio + 1 more
Conditions
Colorectal Cancer, Familial Adenomatous Polyposis
Interventions
Celecoxib, Placebo, eflornithine, Laboratory biomarker analysis, Questionnaire administration
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 65 Years
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Colorectal Cancer and Pre-Cancerous Adenoma Non-Invasive Detection Test Study

NCT04739722
Conditions
Colorectal Cancer, Advanced Adenocarcinoma, Serrated Polyp
Interventions
ColoSense
Diagnostic Test
Lead sponsor
Geneoscopy, Inc.
Industry
Eligibility
45 Years and older
Enrollment
14,263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
St Louis, Missouri • Austin, Texas
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
Conditions
Colorectal Lesion, Colorectal Adenoma, Colorectal Polyp, Rectal Lesion, Rectal Adenoma, Rectal Polyp, Sigmoid; Lesion, Sigmoid Colon Polyp
Interventions
Endoscopic submucosal dissection using the ELS System
Device
Lead sponsor
EndoQuest Robotics, Inc.
Industry
Eligibility
22 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
6
States / cities
Scottsdale, Arizona • Orlando, Florida • Boston, Massachusetts + 2 more
Completed Not applicable Interventional Accepts healthy volunteers

Practice-Based Learning to Predict Polyp Histology at Colonoscopy

NCT01638091
Conditions
Colonic Polyps, Adenomatous Polyps
Interventions
Ex vivo module, In vivo practice-base learning phase
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
2
States / cities
Stanford, California • Ann Arbor, Michigan
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
Conditions
Colorectal Cancer, Adenoma Colon, Polyp of Colon
Interventions
Computer Aided Detection (CADe)
Diagnostic Test
Lead sponsor
NEC Corporation
Industry
Eligibility
45 Years to 75 Years
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Missouri
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Selenium for Prevention of Adenomatous Colorectal Polyps

NCT00078897
Conditions
Colorectal Cancer, Adenomatous Colorectal Polyps, Precancerous Condition
Interventions
Selenium
Drug
Lead sponsor
University of Arizona
Other
Eligibility
40 Years to 80 Years
Enrollment
1,621 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2018
U.S. locations
7
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 3 more
Completed Phase 2 Interventional Accepts healthy volunteers

Chemoprevention With Folic Acid

NCT00018551
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