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ClinicalTrials.gov public records Last synced Oct 23, 2026, 11:50 AM EDT

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Showing 457–480 of 913 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stool Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Fruit/Vegetable Drinks on the Human Intestine

NCT02377063
View directory record Official record
Conditions
Intestinal Bacteria Flora Disturbance
Interventions
Pressed Juice
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Oct 23, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Women's Health by Using an Electronic Pelvic Floor Questionnaire

NCT00880880
View directory record Official record
Conditions
Urinary Incontinence, Fecal Incontinence, Pelvic Floor Disorders
Interventions
e-PAQ-PF
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
40 Years and older · Female only
Enrollment
284 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 23, 2026, 11:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Normal Blood, Bone Marrow and Buccal Mucosa Protocol

NCT00806364
View directory record Official record
Conditions
Non-atopic, Atopic, Healthy, Normal, Allergy
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Oct 23, 2026, 11:50 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Study of Using Social Networks to Encourage Three Peers to Complete Screening for Colorectal Cancer

NCT05793593
View directory record Official record
Conditions
Colon Cancer Screening
Interventions
FITx3 intervention and CRC education, Colorectal Cancer (CRC) education alone
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
45 Years to 75 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 23, 2026, 11:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

COVID-19: Human Epidemiology and Response to SARS-CoV-2

NCT04375761
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19), SARS-CoV-2
Interventions
Collection of Biological Samples, Symptom and Exposure Surveys
Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
5,599 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
20
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 23, 2026, 11:50 AM EDT
Suspended No phase listed Observational Accepts healthy volunteers

A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Disease

NCT04031469
View directory record Official record
Conditions
Gut Microbiome, Gastrointestinal Microbiome, Autism, Autism Spectrum Disorder, Autism Spectrum Disorder High-Functioning, Alzheimer Disease, Alzheimer Dementia (AD), Alzheimer Dementia, Alzheimer Disease (AD), Crohn, Crohn Colitis, Crohn Disease (CD), Crohn Disease Colon, Myalgic Encephalomyelitis, ME/CFS, Myalgic Encephalomyelitis (ME), Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Psoriasis, Psoriasis Annularis, Psoriasis Chronic, Chronic Urinary Tract Infection, Ulcerative Colitis (Disorder), Ulcerative Colitis (UC), Ulcerative Colitis Acute, Ulcerative Colitis Chronic, Multiple Sclerosis, Multiple Sclerosis (MS) - Relapsing-remitting, Multiple Sclerosis (MS) Primary Progressive, Constipation Chronic Idiopathic, Constipation, Celiac, Celiac Disease, Celiac Sprue, Lyme Arthritis, Lyme Borreliosis, Nervous System, Lyme Disease, Chronic, Cholesterol, Cholesterol Level, High, Cancer, Colon Cancer, Amyotrophic Lateral Sclerosis (ALS), Amyotrophic Lateral Sclerosis, Rheumatoid Arthritis (RA), Rheumatoid Arthritis - Rheumatism, Chronic Fatigue Syndrome (CFS), PARKINSON DISEASE (Disorder), Parkinson Disease, Parkinson Disease (PD), Depression, Major Depressive Disorder (MDD), Depression Disorder, Depression in Adults, Anxiety, Anxiety Disorder Generalized, Obsessive Compulsive Disorder (OCD), Obsessive Compulsive Disorder OCD, Obsessive - Compulsive Disorder, Bipolar, Bipolar 1 Disorder, Bipolar Disorder (BD), Bipolar Disorder I and II, Bipolar and Related Disorders, Migraine, Migraine Disorder, Diabetes (DM), Diabetes, Lupus, Lupus Erythematosus, Epidermolysis Bullosa (EB), Mesothelioma, Mesothelioma Malignant, IBS (Irritable Bowel Syndrome), Irritable Bowel, IBS - Irritable Bowel Syndrome, Irritable Bowel Syndrome (IBS), Eczema, Eczema Atopic Dermatitis, Acne, Myasthaenia Gravis, Gout
Interventions
There is no intervention in this study
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
12 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 23, 2026, 11:50 AM EDT
Completed Early Phase 1 Interventional

Fecal Microbiota Transplant for Inflammatory Bowel Disease

NCT02460705
View directory record Official record
Conditions
Inflammatory Bowel Disease
Interventions
Biologically active human fecal material, OpenBiome
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2018 · Synced Oct 23, 2026, 11:50 AM EDT
Active, not recruiting Phase 2 Interventional

Fecal Microbiota Transplant as Treatment of Hepatic Encephalopathy

NCT03420482
View directory record Official record
Conditions
Hepatic Encephalopathy
Interventions
Fecal Microbiota Transplant (FMT) oral capsules, Placebo oral capsule
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 31, 2025 · Synced Oct 23, 2026, 11:50 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Inflammation, Diabetes, Ethnicity and Obesity Cohort

NCT03022682
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 23, 2026, 11:50 AM EDT
Active, not recruiting No phase listed Observational

Metagenomic Evaluation of the Gut Microbiome in Patients With Lynch Syndrome and Other Hereditary Colonic Polyposis Syndromes

NCT02371135
View directory record Official record
Conditions
Lynch Syndrome, Hereditary Colonic Polyposis Syndromes
Interventions
colonic biopsies, questionnaires
Genetic
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 23, 2026, 11:50 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Fecal Microbiota Transplantation for the Treatment of Recurrent Urinary Tract Infections

NCT03050515
View directory record Official record
Conditions
Recurrent Urinary Tract Infection
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 23, 2026, 11:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Health Service Intervention for the Improvement of Access and Adherence to Colorectal Cancer Screening

NCT04607291
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Community Health Service, Survey Administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years to 75 Years
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Oct 23, 2026, 11:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Relative Potency of Multiple Oral Doses of LUM001 and SHP626 in Overweight and Obese Adults as Assessed by Fecal Bile Acid Excretion

NCT02475317
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Placebo, Maralixibat, Volixibat
Drug
Lead sponsor
Mirum Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 4, 2019 · Synced Oct 23, 2026, 11:50 AM EDT
Completed Not applicable Interventional

Water-aided Colonoscopy vs Air Insufflation Colonoscopy in Colorectal Cancer Screening

NCT02041507
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Adenomas, Colorectal Polyps, Pain
Interventions
Air insufflation method., Water Immersion method., Water Exchange method.
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
50 Years to 70 Years
Enrollment
1,224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Oct 23, 2026, 11:50 AM EDT
Completed Phase 1 Interventional

Interventions to Decrease the Impact of Post-OPerative Ileus After Liver Transplant or Resection Surgery

NCT01156129
View directory record Official record
Conditions
Ileus
Interventions
stool softener, Arm B: Acupressure bracelet, sugar free gum
Drug · Device · Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 23, 2026, 11:50 AM EDT
Not listed Phase 1 Interventional

Fecal Microbiota Transplantation (FMT) in Nonalcoholic Steatohepatitis(NASH). A Pilot Study

NCT02469272
View directory record Official record
Conditions
Nonalcoholic Fatty Liver Disease
Interventions
Fecal Microbiota Transplantation
Drug
Lead sponsor
Lifespan
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 1, 2017 · Synced Oct 23, 2026, 11:50 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Elucidation of Breast Milk Composition and Structure Over the First Year of Lactation: UC Davis Lactation Study

NCT01817127
View directory record Official record
Conditions
Healthy, Gestational Diabetes Mellitus, Type 2 Diabetes Mellitus
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
395 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2028
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 23, 2026, 11:50 AM EDT
Recruiting Not applicable Interventional

Outcomes and Data Collection for Fecal Microbiota Transplantation for the Treatment of Recurrent Clostridium Difficile

NCT03562741
View directory record Official record
Conditions
Clostridium Difficile Infection Recurrence, Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplantation
Procedure
Lead sponsor
Krunal Patel
Other
Eligibility
16 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 23, 2026, 11:50 AM EDT
Active, not recruiting Phase 2 Interventional

PLX038 for Treatment of Metastatic Platinum-resistant Ovarian, Primary Peritoneal, and Fallopian Tube Cancer

NCT05465941
View directory record Official record
Conditions
Platinum-Resistant Fallopian Tube Carcinoma, Platinum-Resistant Ovarian Carcinoma, Platinum-Resistant Primary Peritoneal Carcinoma, Stage IV Fallopian Tube Cancer AJCC v8, Stage IV Ovarian Cancer AJCC v8, Stage IV Primary Peritoneal Cancer AJCC v8
Interventions
Biopsy, Pegylated SN-38 Conjugate PLX038, Computed Tomography, Biospecimen Collection
Procedure · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 23, 2026, 11:50 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

The Role of Gut Microbiota in Heart Failure and Pre-Heart Failure With Preserved Ejection Fraction

NCT02728154
View directory record Official record
Conditions
Heart Failure
Interventions
Blood Sample, Stool Sample
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Oct 23, 2026, 11:50 AM EDT
Withdrawn No phase listed Observational

Evaluating the Cologuard Test for Use in Lynch Syndrome

NCT04778566
View directory record Official record
Conditions
Lynch Syndrome, Colorectal Cancer, Colonic Adenoma, Colonic Polyp
Interventions
Cologuard test
Diagnostic Test
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 17, 2021 · Synced Oct 23, 2026, 11:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Reducing Metabolic Dysregulation in Dyads

NCT06117241
View directory record Official record
Conditions
Colorectal Cancer, Inflammation, Nutrition Related Cancer
Interventions
IMAGINE HEALTHY
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
9 Years to 55 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 23, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Health Literacy Interventions to Overcome Disparities in CRC Screening

NCT02360605
View directory record Official record
Conditions
Colorectal Cancer
Interventions
automated telephone reminder, prevention coordinator, Health literacy appropriate education and demonstration
Behavioral
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
50 Years to 75 Years
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 23, 2026, 11:50 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Restoration of Antibiotics Related Infant Microbiota Perturbations by Autologous Fecal Transplant

NCT06609980
View directory record Official record
Conditions
Antibiotic Treatment
Interventions
autologous fecal matter transplant
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
1 Month to 4 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 23, 2026, 11:50 AM EDT