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ClinicalTrials.gov public records Last synced Sep 11, 2026, 9:51 PM EDT

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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
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Conditions
Colorectal Adenomatous Polyp, Colorectal Carcinoma, Familial Adenomatous Polyposis, Multiple Adenomatous Polyps
Interventions
Biopsy Procedure, Biospecimen Collection, Colonoscopy, Dordaviprone Hydrochloride, Questionnaire Administration, Sigmoidoscopy
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
5
States / cities
Ann Arbor, Michigan • St Louis, Missouri • Cleveland, Ohio + 2 more
Conditions
Gastrointestinal Endoscopy Training
Interventions
Physician's opinion
Other
Lead sponsor
Al-Azhar University
Other
Eligibility
18 Years to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Albertson, New York
Conditions
Irritable Bowel Disease
Interventions
Sigmoidoscopy and biopsy, blood work
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Louisville, Kentucky
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
Completed Not applicable Interventional Accepts healthy volunteers

Variability in Microbial Response to Dietary Fiber

NCT06023940
Conditions
Microbial Colonization
Interventions
High fiber
Dietary Supplement
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
45 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Pancreatic Ductal Adenocarcinoma
Interventions
Fecal Microbiota Transplantation, Fecal Microbiota Transplantation Capsule, Questionnaire Administration, Resection, Therapeutic Colonoscopy
Procedure · Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Colon Polyp, Colorectal Carcinoma, Localized Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8
Interventions
Aerobic Exercise, Biopsy Procedure, Biospecimen Collection, Colonoscopy, Data Collection, Physical Performance Testing, Questionnaire Administration, Sigmoidoscopy, Survey Administration
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
40 Years to 80 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Duarte, California • Irvine, California
Conditions
Inflammatory Bowel Disease
Interventions
Genomic DNA, RNA analysis, Microbiome, Calprotectin, Pain questionnaires, Anxiety/Depression Questionnaires
Genetic · Other
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
8 Years to 18 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Hartford, Connecticut
Completed Phase 2 Interventional Accepts healthy volunteers

Polyp Detection With The Peerscope System™

NCT01549535
Conditions
Colon Polyps and Adenomas, Colon Cancer
Interventions
Colonoscopy done with:PeerMedical System and Olympus/Pentax/Fuji colonoscopy system
Device
Lead sponsor
PeerMedical Ltd.
Industry
Eligibility
18 Years to 70 Years
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
New York, New York
Conditions
Mantle Cell Lymphoma
Interventions
Zanubrutinib, Rituximab, Patient Observation, Bone Marrow Biopsy, Fludeoxyglucose F-18, Positron Emission Tomography, Computed Tomography, Magnetic Resonance Imaging, Esophagogastroduodenoscopy, Colonoscopy, Biospecimen Collection, Questionnaire Administration
Drug · Biological · Other + 1 more
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
60 Years and older
Enrollment
421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2038
U.S. locations
238
States / cities
Little Rock, Arkansas • Beverly Hills, California • Duarte, California + 185 more
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
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Combinatorial Single Cell Strategies for a Crohn's Disease Gut Cell Atlas

NCT04113733
Conditions
Crohn Disease
Interventions
Sample Collection
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Sleep Apnea, Adverse Event
Interventions
Questionaire
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
350 participants
Timeline
2018 – 2021
U.S. locations
1
States / cities
Weston, Florida
Not listed Phase 3 Interventional Accepts healthy volunteers

Increasing Colorectal Cancer Screening in African Americans

NCT00893295
Conditions
Colorectal Cancer
Interventions
informational intervention, medical chart review, screening questionnaire administration, study of socioeconomic and demographic variables, barium enema injection, colon imaging study, screening colonoscopy, sigmoidoscopy
Other · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
50 Years to 79 Years
Enrollment
896 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
AIDS-Related Anal Carcinoma, Anal Margin Squamous Cell Carcinoma, Anal Non-Keratinizing Squamous Cell Carcinoma, Anal Squamous Cell Carcinoma, HIV Infection, Rectal Squamous Cell Carcinoma, Stage II Rectal Cancer AJCC v8, Stage IIB Anal Cancer AJCC v8, Stage III Anal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8
Interventions
Anoscopy, Biospecimen Collection, Capecitabine, Colonoscopy, Computed Tomography, Digital Rectal Examination, Echocardiography Test, Fludeoxyglucose F-18, Fluorouracil, Intensity-Modulated Radiation Therapy, Lymph Node Biopsy, Magnetic Resonance Imaging, Mitomycin, Nivolumab, Positron Emission Tomography, Proctoscopy, Questionnaire Administration, Sigmoidoscopy
Procedure · Drug · Other + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2031
U.S. locations
14
States / cities
San Francisco, California • Washington D.C., District of Columbia • Tampa, Florida + 7 more
Conditions
Colorectal Cancer (CRC) Screening, CRC Screening, Rectal Cancer, Colon Cancer, Colorectal Cancer
Interventions
Colorectal Cancer Education Materials, Cologuard test kit, Fecal immunochemical test kit, Usual Care
Behavioral · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
45 Years to 75 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
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
Colorectal Screening
Interventions
Colonoscopy and Questionnaire
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
50 Years and older
Enrollment
611 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
2
States / cities
New York, New York
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
FMP30 Donor Stool, Fecal Microbiota Transplantation (FMT) of FMP30 Donor Stool, Observational Control
Drug · Procedure · Other
Lead sponsor
Jeffrey Gelfand
Other
Eligibility
18 Years to 60 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
San Francisco, California
Active, not recruiting Not applicable Interventional Results available

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

NCT01696981
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
Conditions
Benign Colorectal Neoplasm, Non-Neoplastic Anal Disorder
Interventions
Dietary Fiber, Proctoscopy or anoscopy with Biopsy, Colonoscopy, Questionnaire Administration
Dietary Supplement · Procedure · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Clostridium Difficile Infection, Ulcerative Colitis, Indeterminate Colitis
Interventions
Fecal Microbial Transplantation
Biological
Lead sponsor
Stony Brook University
Other
Eligibility
7 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Stony Brook, New York
Conditions
Colonoscopy
Interventions
Music: "Nada Himalaya" performed by S. G. Sachchidananda
Other
Lead sponsor
The Brooklyn Hospital Center
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Brooklyn, New York
Conditions
Inflammatory Bowel Diseases (IBD), Ankylosing Spondylitis (AS)
Interventions
Pinch biopsies, Flexible sigmoidoscopy
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Denver, Colorado