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ClinicalTrials.gov public records Last synced Oct 24, 2026, 10:34 PM EDT

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Showing 889–912 of 913 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stool Clear all
Not listed No phase listed Observational

A Study of the Relationship of Gut Microbial Composition and Stroke Outcome

NCT03470506
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Stool Samples
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Charlottesville, Virginia • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2019 · Synced Oct 24, 2026, 10:34 PM EDT
Recruiting Phase 2 Interventional

Stool Transplants to Treat Refractory Clostridium Difficile Colitis

NCT02127398
View directory record Official record
Conditions
Clostridium Difficile Colitis
Interventions
fecal microbiota
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Not listed Not applicable Interventional

Augmentation of Screening Colonoscopy With Fecal Immunochemical Testing

NCT00892593
View directory record Official record
Conditions
Colon Cancer
Interventions
Fecal Immunochemical Testing
Device
Lead sponsor
Forsyth Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
3
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Oct 24, 2026, 10:34 PM EDT
Recruiting Phase 1 Interventional

Role of Gut Microbiome and Fecal Transplant on Medication-Induced GI Complications in Patients With Cancer

NCT03819296
View directory record Official record
Conditions
Clinical Stage 0 Cutaneous Melanoma AJCC v8, Clinical Stage I Cutaneous Melanoma AJCC v8, Clinical Stage IA Cutaneous Melanoma AJCC v8, Clinical Stage IB Cutaneous Melanoma AJCC v8, Clinical Stage II Cutaneous Melanoma AJCC v8, Clinical Stage IIA Cutaneous Melanoma AJCC v8, Clinical Stage IIB Cutaneous Melanoma AJCC v8, Clinical Stage IIC Cutaneous Melanoma AJCC v8, Clinical Stage III Cutaneous Melanoma AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Colitis, Lung Non-Small Cell Carcinoma, Malignant Genitourinary System Neoplasm, Malignant Solid Neoplasm, Pathologic Stage 0 Cutaneous Melanoma AJCC v8, Pathologic Stage I Cutaneous Melanoma AJCC v8, Pathologic Stage IA Cutaneous Melanoma AJCC v8, Pathologic Stage IB Cutaneous Melanoma AJCC v8, Pathologic Stage II Cutaneous Melanoma AJCC v8, Pathologic Stage IIA Cutaneous Melanoma AJCC v8, Pathologic Stage IIB Cutaneous Melanoma AJCC v8, Pathologic Stage IIC Cutaneous Melanoma AJCC v8, Pathologic Stage III Cutaneous Melanoma AJCC v8, Pathologic Stage IIIA Cutaneous Melanoma AJCC v8, Pathologic Stage IIIB Cutaneous Melanoma AJCC v8, Pathologic Stage IIIC Cutaneous Melanoma AJCC v8, Pathologic Stage IIID Cutaneous Melanoma AJCC v8, Pathologic Stage IV Cutaneous Melanoma AJCC v8, Stage 0 Lung Cancer AJCC v8, Stage I Lung Cancer AJCC v8, Stage IA1 Lung Cancer AJCC v8, Stage IA2 Lung Cancer AJCC v8, Stage IA3 Lung Cancer AJCC v8, Stage IB Lung Cancer AJCC v8, Stage II Lung Cancer AJCC v8, Stage IIA Lung Cancer AJCC v8, Stage IIB Lung Cancer AJCC v8, Stage III Lung Cancer AJCC v8, Stage IIIA Lung Cancer AJCC v8, Stage IIIB Lung Cancer AJCC v8, Stage IIIC Lung Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IVA Lung Cancer AJCC v8, Stage IVB Lung Cancer AJCC v8
Interventions
Best Practice, Biospecimen Collection, Endoscopic Procedure, Fecal Microbiota Transplantation, Infliximab, Laboratory Biomarker Analysis, Prednisone, Vedolizumab
Other · Procedure · Biological + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Completed No phase listed Observational Results available

Imaging Biomarkers in Crohn's Associated Spondyloarthritis

NCT02709694
View directory record Official record
Conditions
Crohn's Disease, Spondyloarthritis
Interventions
No intervention
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Oct 24, 2026, 10:34 PM EDT
Recruiting Phase 1 Interventional

Intestinal Microbiota Transplantation in Patients With Chronic Heart Failure

NCT07490054
View directory record Official record
Conditions
Chronic Heart Failure
Interventions
MTP-101-C encapsulated Microbiota, Vancomycin, Neomycin
Biological · Drug
Lead sponsor
Melana Yuzefpolskaya, MD
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Active, not recruiting No phase listed Observational

A Study of Minimally Invasive Proximal Gastrectomy Versus Minimally Invasive Total Gastrectomy for Gastric and Gastroesophageal Junction Cancers

NCT06243757
View directory record Official record
Conditions
Gastric Cancer, GastroEsophageal Cancer, Gastroesophageal Junction Adenocarcinoma
Interventions
MDASI-GI
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2036
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Recruiting No phase listed Observational

The APS Phenotyping Study

NCT06521502
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Cleansing Options in Out-Patient Setting to Improve Tolerance (COOP SIT) Trial

NCT07215000
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Oct 24, 2026, 10:34 PM EDT
Terminated Phase 2 Interventional Results available

Penn Microbiome Therapy (PMT) for Severe-Clostridium Difficile Infection (CDI)

NCT03970200
View directory record Official record
Conditions
Severe Clostridium Difficile Infection, Severe-Complicated/Fulminant Clostridium Difficile Infection
Interventions
Penn Microbiome Therapy - 001, Penn Microbiome Therapy - 002, Penn Microbiome Therapy - 003, Antibiotics
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 30, 2023 · Synced Oct 24, 2026, 10:34 PM EDT
Completed Not applicable Interventional

Improving Rates of Colorectal Cancer Screening Among Never Screened Patients

NCT01742169
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Outreach and Reminder Intervention
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
50 Years to 75 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 7, 2015 · Synced Oct 24, 2026, 10:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Full-fat Yogurt and Glucose Tolerance

NCT03577119
View directory record Official record
Conditions
Pre-Diabetes
Interventions
Full-fat yogurt, Non-fat yogurt
Dietary Supplement
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
45 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Oct 24, 2026, 10:34 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Black Raspberry Nectar for the Prevention of Lung Cancer, BE WELL Study

NCT04267874
View directory record Official record
Conditions
Lung Carcinoma, Tobacco-Related Carcinoma
Interventions
Biospecimen Collection, Nutritional Supplementation, Placebo Administration, Questionnaire Administration
Procedure · Dietary Supplement · Drug + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
55 Years to 77 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 1, 2023 · Synced Oct 24, 2026, 10:34 PM EDT
Completed No phase listed Observational

Risk of Chemotherapy Toxicity in Older Patients With Blood Cancer or Non-small Cell Lung Cancer

NCT05106374
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Lung Non-Small Cell Carcinoma
Interventions
Biospecimen Collection, Cognitive Assessment, Physical Performance Testing, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
60 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Recruiting Early Phase 1 Interventional

Capsule Microbiota Transplant Therapy for Hidradenitis Suppurativa

NCT06058520
View directory record Official record
Conditions
Hidradenitis Suppurativa
Interventions
Fecal Microbiota - lyophilized, Placebo drug
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Completed No phase listed Observational

Blood and Stool Sample Collection in Subjects With a Diagnosis of Colorectal Cancer or Colorectal Lesion: Act Fast

NCT03789162
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
44
States / cities
Phoenix, Arizona • Canoga Park, California • Chula Vista, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2025 · Synced Oct 24, 2026, 10:34 PM EDT
Suspended Not applicable Interventional

Effects of Home Gluten Immunogenic Peptide Testing on Children With Celiac Disease

NCT03462979
View directory record Official record
Conditions
Celiac Disease, Gluten Sensitivity, Gluten Enteropathy, Gastrointestinal Disease, Digestive System Disease, Diet Modification, Intestinal Disease, Malabsorption Syndromes, Patient Compliance, Diagnostic Self Evaluation, Quality of Life
Interventions
Immunochromatographic lateral flow test
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Oct 24, 2026, 10:34 PM EDT
Completed No phase listed Observational

Microbiome in Lung Cancer and Other Malignancies

NCT03688347
View directory record Official record
Conditions
Lung Cancer, Cancer, Malignancy
Interventions
Nasal Swab, Oral Swab, Stool Collection, Microbiome analysis, DNA Banking, Skin Swab
Procedure · Other · Genetic
Lead sponsor
Taher Abu Hejleh
Other
Eligibility
18 Years to 100 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 11, 2022 · Synced Oct 24, 2026, 10:34 PM EDT
Completed Not applicable Interventional

Dietary Optimization of Microbiome Recovery Following Fecal Microbiota Transplantation

NCT05826418
View directory record Official record
Conditions
Recurrent Clostridium Difficile Infection, Fecal Microbiota Transplant
Interventions
MEND diet, mNICE diet
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Oct 24, 2026, 10:34 PM EDT
Recruiting Not applicable Interventional

The Radiation Oncology-Biology Integration Network (ROBIN) Molecular Characterization Trial (MCT) of Standard Short Course Radiotherapy for Rectal Cancer

NCT05943210
View directory record Official record
Conditions
Rectal Cancer
Interventions
Short Course Radiation Therapy (scRT), Total Mesenteric Excision (TME)
Radiation · Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 90 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
5
States / cities
Chicago, Illinois • New Brunswick, New Jersey • Brooklyn, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Food DNA Digestion

NCT06687226
View directory record Official record
Conditions
Digestion Rate
Interventions
Reconstitutable food powder
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 24, 2026, 10:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Tolerability, and Fecal Pharmacokinetics of BX002-A in Healthy Adults

NCT04737876
View directory record Official record
Conditions
Healthy Volunteers
Interventions
BX002-A, Placebo
Biological · Other
Lead sponsor
BiomX, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Oct 24, 2026, 10:34 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

PyloPlus Urea Breath Test System Post Therapy Efficacy Confirmation Study

NCT05681689
View directory record Official record
Conditions
Helicobacter Pylori Infection, Post-Treatment, Efficacy
Interventions
PyloPlus UBT System, Histology, Rapid Urease Test, Comparator Breath Test, Stool Antigen Test
Combination Product · Diagnostic Test
Lead sponsor
ARJ Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Doral, Florida • Union City, New Jersey
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 24, 2026, 10:34 PM EDT
Terminated Not applicable Interventional Results available

Treatment of Patients With Fecal Incontinence

NCT00292318
View directory record Official record
Conditions
Fecal Incontinence
Interventions
Biofeedback Therapy for Fecal Incontinence: A Randomized Control Study, control group
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Sepulveda, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2015 · Synced Oct 24, 2026, 10:34 PM EDT