Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 11:24 AM EDT

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Showing 169–192 of 310 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

Role of Intestinal Inflammation in the Pathogenesis of Type 1 Diabetes

NCT01940835
Conditions
Type 1 Diabetes
Interventions
Upper endoscopy with small bowel biopsies and brushings., Blood draw, Stool sample
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
SARS-CoV-2, COVID-19
Interventions
Sample collection
Other
Lead sponsor
COVID-19 Prevention Network
Network
Eligibility
18 Years and older
Enrollment
953 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
15
States / cities
Birmingham, Alabama • San Francisco, California • Miami, Florida + 11 more
Recruiting No phase listed Observational Accepts healthy volunteers

Genes and Environment in Multiple Sclerosis

NCT01353547
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2040
U.S. locations
5
States / cities
Bethesda, Maryland • Boston, Massachusetts • New York, New York + 1 more
Conditions
Colorectal Cancer
Interventions
mt-sDNA 2.0 screening test, FIT test, Colonoscopy
Diagnostic Test · Procedure
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years and older
Enrollment
26,758 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
195
States / cities
Birmingham, Alabama • Cullman, Alabama • Dothan, Alabama + 161 more
Conditions
Clostridium Difficile
Interventions
Stool specimen
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
1 Year to 99 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Scavenging of Reactive Carbonyl Species by Soymilk in Humans

NCT07874360
Conditions
Human Health, Reactive Carbonyl Species, Polyphenols
Interventions
Soymilk, Control Group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
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 No phase listed Observational Accepts healthy volunteers

Inflammation, Diabetes, Ethnicity and Obesity Cohort

NCT03022682
Conditions
Obesity, Diabetes Mellitus, Pre Diabetes
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 75 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2029
U.S. locations
1
States / cities
San Francisco, California
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
Active, not recruiting No phase listed Observational

Microbiome and Immunosuppression: The Mission Study

NCT04953715
Conditions
Kidney Transplant Rejection, Kidney Transplant
Interventions
collection of body microbiome
Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2033
U.S. locations
2
States / cities
Minneapolis, Minnesota
Recruiting No phase listed Observational Accepts healthy volunteers

The Impact of COVID-19 on Maternal and Neonatal Outcomes

NCT05197621
Conditions
COVID-19, Pregnancy; Infection
Interventions
mRNA COVID-19 vaccine (Pfizer or Moderna)
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
14 Years to 55 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Pancreas Cyst
Interventions
Blood, stool, pancreatic juice and cyst fluid collection, Pancreatic Surgery, Endoscopy Exam
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Non-squamous Lung Cancer, Metastatic Lung Cancer
Interventions
Blood, sputum, saliva, stool
Other
Lead sponsor
University Hospital, Tours
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Lung Cancer (Diagnosis), Osteochondroma, Spitz Nevus, Solid Cancers, Breast Cancer, Gastric (Stomach) Cancer, Colorectal (Colon or Rectal) Cancer, Sarcoma, Ovarian Adenocarcinoma, Uterine Adenocarcinoma, Endometrial Adenocarcinoma, Esophageal Adenocarcinoma, Head and Neck Cancer, Therapy-Related Acute Myeloid Leukemia, Therapy-Related MDS, Clonal Hematopoiesis of Indeterminate Potential (CHIP), Clonal Cytopenia of Undetermined Significance
Interventions
Samples
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2035
U.S. locations
1
States / cities
Boston, Massachusetts
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

High-Resolution Measurements of Diet-Microbiome Interactions

NCT07856823
Conditions
IBS (Irritable Bowel Syndrome)
Interventions
Inulin, Low-fiber control breakfast shake, Atmo Gas-Sensing Capsule, CapScan Regional Fluid-Sampling Capsule
Dietary Supplement · Other · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Stanford, California
Conditions
Urothelial Carcinoma, Muscle Invasive Bladder Urothelial Carcinoma, Non-Muscle Invasive Bladder Urothelial Carcinoma
Interventions
Not listed
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Omaha, Nebraska • Philadelphia, Pennsylvania
Recruiting No phase listed Observational

The APS Phenotyping Study

NCT06521502
Conditions
ARDS, Sepsis, Pneumonia
Interventions
Blood collection, Urine Collection, Nasal, oral, and rectal swabs, Stool collection, Heat Moisture Exchange Filter collection, Tracheal Aspirate sample collection, Non-bronchoscopic bronchoalveolar lavage (NBBAL), Surveys, Short physical performance battery, Hand grip strength, CNS Vital Signs, Muscle Ultrasound, Muscle Strength, Spirometry, Lung Diffusion Testing (DLCO), Chest CT Scan
Other · Procedure · Radiation
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
20
States / cities
Fresno, California • Palo Alto, California • San Francisco, California + 12 more
Conditions
Colorectal Carcinoma, Lynch Syndrome
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
9
States / cities
Scottsdale, Arizona • San Francisco, California • Aurora, Colorado + 5 more
Conditions
Microbiota Analysis in Healthy Subjects
Interventions
Healthy Adults
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Crohn's Disease, Ulcerative Colitis, Clostridium Difficile, Inflammatory Bowel Disease
Interventions
Blood and stool sample
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

The Meals Study for Amyotrophic Lateral Sclerosis and Parkinson's Disease

NCT07625605
Conditions
Amyotrophic Lateral Sclerosis (ALS), Parkinson's Disease (PD)
Interventions
The MIND diet
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
30 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
3
States / cities
Elizabethton, Tennessee • Knoxville, Tennessee
Conditions
Non Small Cell Lung Cancer, Healthy
Interventions
blood, stool and tissue samples collection
Other
Lead sponsor
OncoHost Ltd.
Industry
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Breast Cancer, HER-2 Positive Breast Cancer
Interventions
Resistant Potato Starch, Placebo control
Dietary Supplement
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Advanced Colorectal Carcinoma, Advanced Lung Non-Small Cell Carcinoma, Advanced Malignant Solid Neoplasm, Advanced Melanoma, Advanced Renal Cell Carcinoma, Advanced Triple-Negative Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer (AJCC) v8, Clinical Stage III Cutaneous Melanoma AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage III Lung Cancer AJCC v8, Stage III Renal Cell Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IV Renal Cell Cancer AJCC v8
Interventions
Fermented Wheat Germ Extract
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Sacramento, California