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ClinicalTrials.gov public records Last synced Oct 24, 2026, 11:36 AM EDT

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Showing 697–720 of 913 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stool Clear all
Completed Not applicable Interventional

Impact of Carbon Dioxide Insufflation and Water Exchange on Post-Colonoscopy Outcomes

NCT02409979
View directory record Official record
Conditions
Abdominal Pain
Interventions
Carbon dioxide method, Water Exchange-CO2, Water Exchange-AI
Other
Lead sponsor
Presidio Ospedaliero Santa Barbara
Other
Eligibility
18 Years to 80 Years
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 5, 2015 · Synced Oct 24, 2026, 11:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Microbiome of Donor Iron Deficient Study

NCT02990988
View directory record Official record
Conditions
Iron Deficiency
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 75 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2022 · Synced Oct 24, 2026, 11:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Multi-Center Protocol for Obtaining and Storing Human Samples for Immediate or Future Microbial, Immune, or Host-Microbe Scientific Study

NCT00764023
View directory record Official record
Conditions
Infections
Interventions
Not listed
Lead sponsor
Southwest Regional Wound Care Center
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Nov 26, 2015 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Addressing Colorectal Cancer in South Florida Firefighters

NCT05976282
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 4, 2023 · Synced Oct 24, 2026, 11:36 AM EDT
Recruiting Not applicable Interventional

Testing a Device for Automatically TRacking Urine and STool in an Inpatient HCT Setting (Project TRUST)

NCT05520346
View directory record Official record
Conditions
Fluid Output
Interventions
Electronic Device for Toilet
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Effectively Educates & Directs the Microbiome Study

NCT06395324
View directory record Official record
Conditions
Microbial Colonization
Interventions
High arabinose diet
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Phase 1 Interventional Results available

Indenoisoquinoline LMP744 in Adults With Relapsed Solid Tumors and Lymphomas

NCT03030417
View directory record Official record
Conditions
Solid Tumors, Lymphoma
Interventions
LMP744, Ondansetron, Olanzapine, Lorazepam, Diphenoxylate hydrocholoride (HCL) + Atropine Sulfate, Loperamide, Diphenhydramine, Steroid, Epinephrine
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Bethesda, Maryland • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Oct 24, 2026, 11:36 AM EDT
Terminated Phase 2 Interventional Results available

Prevention of Recurrence of Crohn's Disease by Fecal Microbiota Therapy (FMT)

NCT02417974
View directory record Official record
Conditions
Crohn's Disease
Interventions
Fecal Microbiota Transplant (FMT)
Biological
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Not applicable Interventional

Increasing Colorectal Cancer Screening Among Filipino Americans

NCT00742729
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Arm 1, Arm 2, Arm 3
Behavioral
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
50 Years to 70 Years
Enrollment
906 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2016 · Synced Oct 24, 2026, 11:36 AM EDT
Not listed Not applicable Interventional

Fat Grafting Technique for Fecal Incontinence

NCT03882632
View directory record Official record
Conditions
Fecal Incontinence
Interventions
Fat Grafting for Fecal Incontinence
Device
Lead sponsor
Melanie Salerno, RN
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 9, 2020 · Synced Oct 24, 2026, 11:36 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Proactive Outreach With FIT

NCT06269744
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Proactive Screening Outreach
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
45 Years to 75 Years
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 24, 2026, 11:36 AM EDT
Not listed No phase listed Observational

Microbiome in Immunotherapy naïve NSCLC Patients Receiving PD-1/L1 Blockade (MIP_NSCLC)

NCT04636775
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Oct 24, 2026, 11:36 AM EDT
Recruiting No phase listed Observational

Microbiome Determinants of Adverse Effects of Stereotactic Radiosurgery

NCT07767981
View directory record Official record
Conditions
Adverse Radiation Effects, Radiation Necrosis
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Stool Microbiome Using HyGIeaCare Prep

NCT04264923
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 31, 2020 · Synced Oct 24, 2026, 11:36 AM EDT
Enrolling by invitation Phase 1Phase 2 Interventional

Autism Spectrum Disorder (ASD) Neurodevelopmental Disorder With Issues Social Behavior, Communication Issues, GI Dysfunction. Study is Multimodal Interventions Targeting These Pathways With cSVF, Stored MSCs, FMT and Diet Modification. Role of Autoimmunity, Gut-brain Issues, & Issues Examined.

NCT07546942
View directory record Official record
Conditions
Autism Spectrum Disorder, Autism, Autism Spectral Disorder
Interventions
Autologous MSC isolation, concentration, and cryopreservation of adult mesenchymal stem cells, Fecal Biomicrome Transplantation (FMT), Ketogenic RESET Diet Protocol, Trial combines use of cSVF and MSCs (cryopres) with diet modification and FMT (fecal material Transplant in adult ASD patients, FMT (Fecal Material Tranplantation), Use autologous cSVF + MSCs (cryo) for management of autoimmune component, anti-inflammatory and immune modulation
Procedure · Dietary Supplement · Behavioral + 1 more
Lead sponsor
Black Tie Medical, Inc.
Industry
Eligibility
10 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
2
States / cities
Hamilton, Montana
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 24, 2026, 11:36 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Blood, Bone Marrow, Skin, Saliva, and Stool Samples From Healthy Volunteers Used for Comparative Analysis of Myeloid Malignancies

NCT05588154
View directory record Official record
Conditions
Myelodysplastic Syndromes
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2052
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 24, 2026, 11:36 AM EDT
Enrolling by invitation Not applicable Interventional

Head to Head Trial of Mailed Cologuard to Mailed FIT

NCT06931860
View directory record Official record
Conditions
Colorectal Cancer Screening, Fecal Immunochemical Test, Multi-target Stool DNA, Colorectal Cancer (CRC)
Interventions
Cologuard, Fecal Immunochemical Test
Diagnostic Test
Lead sponsor
University of California, San Diego
Other
Eligibility
45 Years to 49 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 24, 2026, 11:36 AM EDT
Completed No phase listed Observational

Fecal Calprotectin Collection Protocol

NCT03143517
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Irritable Bowel Syndrome, Ulcerative Colitis, Crohn Disease, Indeterminate Colitis, Chronic Diarrhea, Celiac Disease, Diverticulitis, Abdominal Pain, Distension, Weight Loss, Food Intolerance, Constipation
Interventions
Stool collection
Diagnostic Test
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
4 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
13
States / cities
Dothan, Alabama • Little Rock, Arkansas • Mission Hills, California + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycomacropeptide and Women's Health

NCT05551091
View directory record Official record
Conditions
Obesity
Interventions
glycomacropeptide (GMP)
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Up to 90 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Phase 3 Interventional Results available

ECOSPOR III - SER-109 Versus Placebo in the Treatment of Adults With Recurrent Clostridium Difficile Infection

NCT03183128
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
SER-109, Placebo
Biological · Drug
Lead sponsor
Seres Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
51
States / cities
North Little Rock, Arkansas • Mather, California • Mountain View, California + 46 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Phase 1 Interventional

Microbiota Transplant Therapy for Pulmonary Arterial Hypertension: Early Safety and Feasibility Study

NCT04884971
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Intestinal microbiota transplant (IMT)
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Oct 24, 2026, 11:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Human Microbiome in Immune-Mediated Diseases

NCT02394964
View directory record Official record
Conditions
Autoimmune
Interventions
Sample Collection
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2023
U.S. locations
2
States / cities
New Haven, Connecticut • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Oct 24, 2026, 11:36 AM EDT
Completed Phase 3 Interventional Results available

A Study of Colesevelam in Fecal Incontinence

NCT02628626
View directory record Official record
Conditions
Fecal Incontinence, Bile Acid Malabsorption
Interventions
Colesevelam, Clonidine, Placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 24, 2026, 11:36 AM EDT
Suspended Phase 1 Interventional

The Immune Effects of Fermented Wheat Germ Nutritional Supplementation in Patients With Advanced Solid Tumor Cancers Being Treated With Standard of Care Checkpoint Inhibitors

NCT05967533
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 24, 2026, 11:36 AM EDT