Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 24, 2026, 10:56 PM EDT

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Showing 169–192 of 251 matching trials from the live ClinicalTrials.gov search.
Conditions
Colorectal Cancer, Colo-rectal Cancer, Cancer
Interventions
Stool Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
12
States / cities
Tucson, Arizona • Hot Springs, Arkansas • Little Rock, Arkansas + 9 more
Conditions
Colo-rectal Cancer, Cancer Colon, Cancer, Rectum, Neoplasms,Colorectal, Polyps, Polyp of Colon, Adenoma, Adenoma Colon
Interventions
Not listed
Lead sponsor
Freenome Holdings Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
29
States / cities
Huntsville, Alabama • Chandler, Arizona • Tucson, Arizona + 25 more
Conditions
Rectal Cancer Stage II, Rectal Cancer Stage III, Breast Cancer Stage I, Rectal Cancer Stage IV, Breast Cancer Stage II, Breast Cancer Stage III, Solid Tumor Cancer
Interventions
Time-restricted eating, Questionnaire Administration, Biospecimen Collection, Health coaching
Behavioral · Other · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Anchorage, Alaska
Conditions
Colorectal Carcinoma
Interventions
Educational Intervention, Fecal Immunochemical Test, Questionnaire Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Seattle, Washington • Sequim, Washington
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Primary and Secondary Prevention of Type 2 Diabetes Mellitus in Clark County

NCT06387797
Conditions
At Risk for Type 2 Diabetes Mellitus, Pre Diabetes
Interventions
Cooking Matters for Adults (CMA)
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Recruiting No phase listed Observational Accepts healthy volunteers

Identifying and Characterizing Preclinical MS

NCT05787795
Conditions
Multiple Sclerosis
Interventions
biological samples
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2033
U.S. locations
1
States / cities
North Haven, Connecticut
Conditions
Colorectal Cancer
Interventions
Fecal immunochemical test (FIT)
Device
Lead sponsor
Barcey T. Levy
Other
Eligibility
50 Years to 85 Years
Enrollment
3,761 participants
Timeline
2017 – 2023
U.S. locations
3
States / cities
Iowa City, Iowa • Chapel Hill, North Carolina • El Paso, Texas
Recruiting Phase 4 Interventional Accepts healthy volunteers

Blood Donor CVD 5000

NCT03971669
Conditions
Risk Reduction
Interventions
Vivotif Typhoid Oral Vaccine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Stage II Nasopharyngeal Carcinoma AJCC v8, Stage III Nasopharyngeal Carcinoma AJCC v8, Stage IV Nasopharyngeal Carcinoma AJCC v8
Interventions
Biopsy Procedure, Biospecimen Collection, Chest Radiography, Cisplatin, Computed Tomography, Echocardiography Test, Electronic Health Record Review, Fluciclovine F18, Gemcitabine, Magnetic Resonance Imaging, Multigated Acquisition Scan, Nivolumab, Positron Emission Tomography, Quality-of-Life Assessment, Questionnaire Administration, Radiation Therapy, X-Ray Imaging
Procedure · Drug · Other + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 21 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
76
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 67 more
Completed Phase 2 Interventional Results available

Niclosamide for Mild to Moderate COVID-19

NCT04399356
Conditions
COVID-19
Interventions
Niclosamide, Placebo, Telehealth monitoring
Drug · Other
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Colorectal Cancer Death Through Mailed Outreach Screening

NCT02584998
Conditions
Colorectal Cancer
Interventions
Mailed-FIT, Screening invitation-reminder
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 74 Years
Enrollment
782 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Infant Immunity Comparison of Breastfed and Bottlefed Infants

NCT02568579
Conditions
Infant Immunity Response and Immunoglobulin Diversity
Interventions
blood sample/ stool sample
Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
3
States / cities
Los Angeles, California • Chapel Hill, North Carolina • Durham, North Carolina
Completed No phase listed Observational Accepts healthy volunteers

Head to Head Study Epi proColon and FIT

NCT01580540
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Epigenomics, Inc
Industry
Eligibility
50 Years to 84 Years
Enrollment
336 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
69
States / cities
Birmingham, Alabama • Casa Grande, Arizona • Tucson, Arizona + 57 more
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
Recruiting No phase listed Observational Accepts healthy volunteers

Capsule Microbiota Sampling in IBS/Functional Gastrointestinal Disease

NCT06215222
Conditions
IBS - Irritable Bowel Syndrome, Healthy, Functional Bloating, Functional Gastrointestinal Disorders
Interventions
Microbiota Sampling
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Redwood City, California
Conditions
Obesity, Non-Alcoholic Fatty Liver Disease
Interventions
Blood Draw, Stool collection, BodPod Measurement, Liver Ultrasound
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
5 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Carcinoma, Renal Cell, Carcinoma, Urothelial
Interventions
Immune cell and CTC detection procedures
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Investigating the Genetic and Phenotypic Presentation of Ataxia and Nucleotide Repeat Diseases

NCT04529252
Conditions
Spinocerebellar Ataxias, Cerebellar Ataxia, Nucleotide Repeat Disease
Interventions
Specimen collection
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Breast Cancer
Interventions
Fecal swab collection, Blood samples
Biological
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Clinical Stage III Cutaneous Melanoma AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Locally Advanced Lung Carcinoma, Locally Advanced Malignant Solid Neoplasm, Locally Advanced Melanoma, Metastatic Lung Carcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Melanoma, Stage III Lung Cancer AJCC v8, Stage IV Lung Cancer AJCC v8
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
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
Completed Not applicable Interventional Accepts healthy volunteers

Addressing Colorectal Cancer in South Florida Firefighters

NCT05976282
Conditions
Colorectal Cancer, CRC
Interventions
Fecal Immunochemical Test, Septin9 Test
Other
Lead sponsor
University of Miami
Other
Eligibility
40 Years to 65 Years
Enrollment
646 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Miami, Florida
Conditions
NSCLC Stage IV, NSCLC, Recurrent
Interventions
Microbiome
Diagnostic Test
Lead sponsor
Jun Zhang, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Fairway, Kansas • Kansas City, Kansas
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Stool Microbiome Using HyGIeaCare Prep

NCT04264923
Conditions
Stool Microbiome
Interventions
HyGIeaCare Prep
Other
Lead sponsor
HyGIeaCare, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Norfolk, Virginia