Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 30, 2026, 11:34 PM EDT

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Showing 217–240 of 913 matching trials from the live ClinicalTrials.gov search.
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Immune System Disorder, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Medical Chart Review
Procedure · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
Not listed
Enrollment
2,240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
629
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Kingman, Arizona + 405 more
Completed Phase 1 Interventional Accepts healthy volunteers

The Impact of Proton Pump Inhibitors on the Fecal Microbiome

NCT01822977
Conditions
Healthy, Clostridium Difficile Infection
Interventions
omeprazole
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Scottsdale, Arizona
Conditions
Colorectal Cancer Screening, Bowel Cleansing for Colonoscopy
Interventions
Golytely, Sulfave, Sutab
Drug
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Non-Alcoholic Fatty Liver Disease, Probiotics MeSH Descriptor Data 2018, Interleukin-17 MeSH Descriptor Data 2018
Interventions
Probiotic Formulation VSL#3
Biological
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Manhasset, New York
Conditions
Acute Graft Versus Host Disease, Gastrointestinal Tract Acute Graft Versus Host Disease, Severe Gastrointestinal Tract Acute Graft Versus Host Disease, Steroid Resistant Gastrointestinal Tract Acute Graft Versus Host Disease
Interventions
Fecal Microbiota Transplantation Capsule
Drug
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Recurrent C. Difficile Associated Diarrhea
Interventions
Fecal Microbiota
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Houston, Texas
Conditions
Constipation, Bloating
Interventions
PRIM-DJ2727, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Acute Myeloid Leukemia
Interventions
Best Practice, Biospecimen Collection, Dietary Intervention, Laboratory Biomarker Analysis
Other · Procedure
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Colorectal Cancer
Interventions
medical chart review, survey administration, fecal occult blood test, screening colonoscopy
Other · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
50 Years to 74 Years
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Dysbiosis
Interventions
Screening Criteria Review, Pre-Travel Questionnaire, Pre-Travel Stool Specimen Collection, Short-Term Post-Travel Questionnaire, Short-Term Post-Travel Stool Specimen Collection, Long-Term Post-Travel Questionnaire, Long-Term Post-Travel Stool Specimen Collection
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Conditions
Breast Neoplasms
Interventions
Fecal microbial diversity
Combination Product
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating Strategies to Present Colon Cancer Screening Information

NCT02485561
Conditions
Colonic Neoplasms, Colorectal Neoplasms, Colonic Diseases, Gastrointestinal Neoplasms
Interventions
Health communication intervention, Education information
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 75 Years
Enrollment
486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational

RBC Irradiation, Anemia and Gut Injury

NCT02741648
Conditions
Anemia, Necrotizing Enterocolitis
Interventions
Near Infrared Spectroscopy, Non-invasive Image-based Anemia Assessment
Device · Other
Lead sponsor
Emory University
Other
Eligibility
1 Day to 5 Days
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
3
States / cities
Atlanta, Georgia
Conditions
Irritable Bowel Syndrome
Interventions
fecal microbiota transplantation, placebo fecal microbiota transplantation, FMT with antibiotic pre-treatment (v1), FMT with antibiotic pre-treatment (v2)
Procedure · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Results available

Improving Rates of Repeat Colorectal Cancer Screening

NCT01453894
Conditions
Colorectal Neoplasms
Interventions
Reminder and Outreach Intervention
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
51 Years to 75 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Inflammatory Bowel Diseases
Interventions
Stool collection, Biopsy collection
Diagnostic Test
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Up to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
The Bronx, New York
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
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Exercise, Hypertension, and Gut Dysbiosis in African Americans

NCT03897777
Conditions
Hypertension
Interventions
Exercise Training effect on Hypertension and Gut Dysbiosis
Behavioral
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
30 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2030
U.S. locations
1
States / cities
Greensboro, North Carolina
Recruiting Phase 3 Interventional Accepts healthy volunteers

PyloPlus Urea Breath Test System Pediatric Safety and Efficacy Study

NCT05276557
Conditions
Helicobacter Pylori, Safety, Efficacy
Interventions
PyloPlus Urea Breath Test System, Stool Antigen Test
Combination Product · Diagnostic Test
Lead sponsor
ARJ Medical, Inc.
Industry
Eligibility
3 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
3
States / cities
Doral, Florida • Orlando, Florida • El Paso, Texas
Conditions
Colitis, Diarrhea, Malignant Genitourinary System Neoplasm, Melanoma, Lung Cancer, Ovarian Cancer, Uterine Cancer, Breast Cancer, Cervical Cancer
Interventions
Fecal Microbiota Transplantation, Loperamide
Procedure · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Completed No phase listed Observational Accepts healthy volunteers

Adherence and the Economics of Colon Cancer Screening

NCT00705731
Conditions
Colorectal Cancer Screening
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years to 79 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
San Francisco, California
Conditions
Ductal Breast Carcinoma In Situ, Invasive Breast Carcinoma, Stage I Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Questionnaire Administration
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Non Alcoholic Fatty Liver Disease
Interventions
ogtt, genotyping, abdominal and liver magnetic resonance imaging, stool sample, liver biopsy
Other
Lead sponsor
Yale University
Other
Eligibility
7 Years to 18 Years
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Shared Decision-making and Colorectal Cancer Screening

NCT04748380
Conditions
Colorectal Cancer
Interventions
CRC decision aid pamphlet, Home Safety Pamphlet
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
75 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania