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ClinicalTrials.gov public records Last synced Oct 18, 2026, 4:58 AM EDT

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Showing 1–24 of 177 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: diagnostic colonoscopy Clear all
Active, not recruiting Not applicable Interventional Results available

Screening for Colorectal Cancer in Older Patients (PLCO Screening Trial)

NCT01696981
View directory record Official record
Conditions
Colon Carcinoma, Rectal Carcinoma
Interventions
Screening Questionnaire Administration, Sigmoidoscopy
Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
55 Years to 74 Years
Enrollment
154,900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 18, 2026, 4:58 AM EDT
Completed No phase listed Observational

Blood and Stool Sample Collection in Subjects With a Diagnosis of Colorectal Cancer or Colorectal Lesion: Act Fast

NCT03789162
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
44
States / cities
Phoenix, Arizona • Canoga Park, California • Chula Vista, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2025 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Early Phase 1 Interventional

Facilitators to Keeping Colonoscopy Appointments

NCT00431327
View directory record Official record
Conditions
Healthy
Interventions
Peer coach phone call
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Phase 3 Interventional

Long-term Follow-up Study Designed to Evaluate the Relative Risk of Two Colonoscopy Schedules for Patients With Small Polyps

NCT00032344
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Colonoscopy
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
50 Years to 75 Years
Enrollment
3,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2007
U.S. locations
13
States / cities
Phoenix, Arizona • Tucson, Arizona • Long Beach, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Oct 18, 2026, 4:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Healthy Endoscopy Study

NCT04369963
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Functional Gastrointestinal Disorders
Interventions
Esophagogastroduodenoscopy and Colonoscopy with Biopsies
Procedure
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
18 Years to 25 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 18, 2026, 4:58 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Post Market Evaluation of Aer-O-Scope Visualization

NCT02926209
View directory record Official record
Conditions
Cancer
Interventions
Aer-O-Scope (Colonoscopy), Colonoscopy (Conventional Colonoscope)
Device · Procedure
Lead sponsor
GI View Ltd.
Industry
Eligibility
45 Years to 75 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Not applicable Interventional

Pivotal Study of the CapsoCam Colon (CV-3) in Detecting Colonic Polyps, Using Colonoscopy as the Reference

NCT04607746
View directory record Official record
Conditions
Colonic Polyp
Interventions
Capsule Endoscope
Device
Lead sponsor
Capso Vision, Inc.
Industry
Eligibility
45 Years to 75 Years
Enrollment
1,337 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
23
States / cities
Scottsdale, Arizona • Lancaster, California • Los Gatos, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Oct 18, 2026, 4:58 AM EDT
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 Oct 18, 2026, 4:58 AM EDT
Terminated No phase listed Observational

Antiretroviral Localization in Gut-Associated Lymphoid Tissue and Lower Female Genital Tract Tissue of HIV+ Subjects

NCT02641444
View directory record Official record
Conditions
HIV
Interventions
Blood plasma collection, Cervical and Vaginal Biopsy, Colonoscopy with Ileal and Rectal Biopsy
Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Oct 18, 2026, 4:58 AM EDT
Not listed Not applicable Interventional

Early Routine Bowel Preparation for Suspected Acute Diverticular Bleeding

NCT05170945
View directory record Official record
Conditions
Diverticular Bleeding
Interventions
Early bowel preparation for colonoscopy
Other
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2023 · Synced Oct 18, 2026, 4:58 AM EDT
Not listed Not applicable Interventional

Prospective Study for Evaluating Colon Polyp Histology With in Vivo Probe Based Confocal Laser Endomicroscopy

NCT01214031
View directory record Official record
Conditions
Colon Polyps, Adenomatous Polyps, Colon Cancer
Interventions
Confocal laser endomicroscopy (CLE)
Device
Lead sponsor
Midwest Biomedical Research
Other
Eligibility
18 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 9, 2012 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Not applicable Interventional Results available

Comparing Early Capsule Deployment to Current Standard of Care for Management of Gastrointestinal Bleeding

NCT02442830
View directory record Official record
Conditions
Melena, Gastrointestinal Hemorrhage
Interventions
Early Video Capsule Endoscopy
Device
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Oct 18, 2026, 4:58 AM EDT
Active, not recruiting No phase listed Observational

Colorectal Cancer Screening in Cystic Fibrosis

NCT05362344
View directory record Official record
Conditions
Cystic Fibrosis, Colorectal Cancer, Adenoma
Interventions
Stool tests
Procedure
Lead sponsor
University of Washington, the Collaborative Health Studies Coordinating Center
Other
Eligibility
18 Years to 75 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
26
States / cities
Los Angeles, California • Palo Alto, California • Denver, Colorado + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Case Series With Saneso 3600 Colonoscope

NCT05505370
View directory record Official record
Conditions
Colonic Neoplasms
Interventions
Colonoscopy
Device
Lead sponsor
Saneso Inc.
Industry
Eligibility
45 Years to 74 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
5
States / cities
Saint Clairsville, Ohio • Wintersville, Ohio • Elkins, West Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Oct 18, 2026, 4:58 AM EDT
Completed No phase listed Observational

Evaluation of the DiLumen Device During Colonoscopy

NCT03113578
View directory record Official record
Conditions
Colon Polyp
Interventions
DiLumen
Device
Lead sponsor
Lumendi, LLC
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2017 · Synced Oct 18, 2026, 4:58 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Chromoendoscopy or Narrow Band Imaging (NBI) for Improving Adenoma Detection in Colonoscopy

NCT04192929
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Narrow band imaging, Chromoendoscopy, High definition white light endoscopy
Device · Other
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Not applicable Interventional

Improving Followup of Abnormal Colon Cancer Screening Tests

NCT00436137
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Patient mailing
Behavioral
Lead sponsor
Harvard Vanguard Medical Associates
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2008 · Synced Oct 18, 2026, 4:58 AM EDT
Active, not recruiting Phase 2 Interventional

Testing a Combination of Vaccines for Cancer Prevention in Lynch Syndrome

NCT05419011
View directory record Official record
Conditions
Colorectal Carcinoma, Colorectal Neoplasm, Lynch Syndrome
Interventions
Adenovirus 5 CEA/MUC1/Brachyury Vaccine Tri-Ad5, Biopsy Procedure, Biospecimen Collection, Colonoscopy, Nogapendekin Alfa, Placebo Administration, Questionnaire Administration
Biological · Procedure · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
13
States / cities
Phoenix, Arizona • Tucson, Arizona • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 18, 2026, 4:58 AM 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 19, 2025 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Narrow-Band Imaging Versus Standard White Light for the Detection of Serrated Lesions in the Proximal Colon

NCT01572428
View directory record Official record
Conditions
Colon Cancer
Interventions
Inspection with Narrow-Band Imaging(NBI), Standard White Light
Procedure
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 85 Years
Enrollment
898 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 8, 2019 · Synced Oct 18, 2026, 4:58 AM EDT
Active, not recruiting Phase 3 Interventional

Nivolumab After Combined Modality Therapy in Treating Patients With High Risk Stage II-IIIB Anal Cancer

NCT03233711
View directory record Official record
Conditions
Anal Basaloid Carcinoma, Anal Canal Cloacogenic Carcinoma, Anal Margin Squamous Cell Carcinoma, Stage IIB Anal Cancer AJCC v8, Stage III Anal Cancer AJCC v8
Interventions
Biopsy Procedure, Biospecimen Collection, Colonoscopy, Computed Tomography, Digital Rectal Examination, High Resolution Anoscopy, Magnetic Resonance Imaging, Nivolumab, Patient Observation, Proctoscopy, Sigmoidoscopy, X-Ray Imaging
Procedure · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
887
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 568 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Promotora-based Latino Family CVD Risk Reduction

NCT01714271
View directory record Official record
Conditions
Heart Disease, Cancer
Interventions
Home environs-based lifestyle counseling, Cancer early detection
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced Oct 18, 2026, 4:58 AM EDT
Completed Phase 1 Interventional

Panchromoendoscopy Using Oral Indigo Carmine Mixed With Polyethylene Glycol Prep

NCT01901510
View directory record Official record
Conditions
Colonic Polyps
Interventions
Chromoendoscopy (Indigo Carmine), Control
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Oct 18, 2026, 4:58 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

A Study of the Possible Effects of Medication on Young Onset Colorectal Cancer (YOCRC)

NCT05568420
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 49 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 18, 2026, 4:58 AM EDT