Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 5:34 PM EDT

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Showing 1–24 of 111 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Pain, Colorectal Adenomas, Colorectal Cancer
Interventions
Air Insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 85 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Bowel Preparation Before Colonoscopy
Interventions
MoviPrep, Golytely
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Bridgeport, Connecticut • New Haven, Connecticut
Conditions
Crohn's Disease
Interventions
Colonoscopy
Procedure
Lead sponsor
Prometheus Laboratories
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Los Angeles, California • Ventura, California • Hamden, Connecticut + 2 more
Conditions
Spinal Cord Injury
Interventions
Neostigmine
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Colorectal Adenoma, Colorectal Cancer (CRC), Colorectal Cancer (CRC) Screening
Interventions
colorectal cancer (CRC) screening, colorectal cancer screening, Colonoscopy after bowel cleansing
Device · Diagnostic Test · Procedure
Lead sponsor
Jubaan Ltd.
Industry
Eligibility
45 Years to 85 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Colorectal Cancer
Interventions
No Direct Patient Outreach, Direct Patient Outreach: Colonoscopy Only, Direct Patient Outreach: Sequential Choice, Visit-Based Nudge/Text, No Nudge/Text
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
50 Years to 72 Years
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Ulcerative Colitis, Inflammatory Bowel Diseases
Interventions
Fecal Microbiota Transplantation, Psyllium Husk Powder
Drug · Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 89 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
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
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Linaclotide for Colonoscopy Bowel Prep

NCT06692673
Conditions
Patients Scheduled for Colonoscopy
Interventions
Use of Linaclotide as a single agent Colonoscopy prep
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Patients Undergoing Screening or Surveillance Colonoscopy
Interventions
PEG+E, PEG+Asc, P+MC, sulfate
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Inflammatory Bowel Disease (IBD), Colonoscopy
Interventions
Magnetic Flexible Endoscope (MFE)
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Lymphoma
Interventions
Fecal Microbiota Transplantation, Chemotherapy, CAR-T Therapy
Drug · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Bowel Preparation for Colonoscopy
Interventions
lubiprostone, placebo
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Completed No phase listed Observational Accepts healthy volunteers

Experimental Device to Improve Colonoscopy

NCT00719641
Conditions
Colonoscopy, Looping, Prevent Looping, Colon Cancer Screening
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
40 Years to 80 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Supplemental Oxygen and Oxygen Desaturations in Colonoscopies

NCT07515755
Conditions
Oxygen Desaturation, Apnea (Central and Obstructive), Airway Obstruction
Interventions
Breath-synchronized oxygen, CPAP, Control
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
South Jordan, Utah
Conditions
Mesothelioma
Interventions
Fecal Microbiota Transplant
Biological
Lead sponsor
ProgenaBiome
Other
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Ventura, California
Conditions
Colonoscopy
Interventions
Crystalline Lactulose
Drug
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Seattle, Washington
Recruiting No phase listed Observational Accepts healthy volunteers

Parkinson's Disease Biomarkers in Nerve Cells in the Gut

NCT05347407
Conditions
Parkinson Disease
Interventions
Colonoscopy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
45 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational Accepts healthy volunteers Results available

Prevention of Colorectal Cancer Through Multiomics Blood Testing

NCT04369053
Conditions
Colon Cancer, Rectal Cancer, Colon Neoplasm, Colon Diseases, Colon Lesion, Colon Polyp, Colorectal Cancer, Polyp, Adenoma, Rectal Diseases, Gastrointestinal Tract Cancers
Interventions
Freenome test
Diagnostic Test
Lead sponsor
Freenome Holdings Inc.
Industry
Eligibility
45 Years to 85 Years
Enrollment
48,995 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
147
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 122 more
Conditions
Crohn Disease
Interventions
Vancomycin, Neomycin, Ciprofloxacin, Polyethylene Glycol 3350, Fluconazole
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Constipation, Hirschsprung Disease
Interventions
Endoscopic mucosal resection (EMR)
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
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
Colonoscopy
Interventions
CapsoCam Colon Capsule Endoscopy
Device
Lead sponsor
Capso Vision, Inc.
Industry
Eligibility
50 Years to 75 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
San Jose, California • Saratoga, California • Wyoming, Michigan
Conditions
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2
Interventions
Lubiprostone, Polyethylene glycol with electrolytes
Drug · Other
Lead sponsor
Augusta University
Other
Eligibility
50 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Augusta, Georgia