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ClinicalTrials.gov public records Last synced Oct 17, 2026, 2:50 PM EDT

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Showing 25–48 of 204 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Stool Specimen Collection Clear all
Recruiting No phase listed Observational

Fatigue and Molecular Mechanisms in Cancer Patients Receiving CCRT

NCT06633224
View directory record Official record
Conditions
Cancer, Thoracic Cancer, Gynecologic Cancer, Head and Neck Cancer, Gastrointestinal Cancer
Interventions
Blood Specimen Collection, Stool Specimen Collection, Quality of Life (QOL) Questionnaires
Procedure · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed No phase listed Observational

Helicobacter Pylori Sample Collection Protocol Pre Therapy Subjects

NCT03060746
View directory record Official record
Conditions
Helicobacter Pylori Infection, Gastric Ulcer, Nausea, Abdominal Pain, Weight Loss, Stomach Ulcer, Loss of Appetite, Bloating
Interventions
Newly Diagnosed
Other
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
22 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
11
States / cities
Mesa, Arizona • Mission Hills, California • Oxnard, California + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2021 · Synced Oct 17, 2026, 2:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Infant Immunity Comparison of Breastfed and Bottlefed Infants

NCT02568579
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Oct 17, 2026, 2:50 PM EDT
Active, not recruiting Phase 2 Interventional

Testing the Combination of Two Anticancer Drugs M1774 (Tuvusertib) and Avelumab to Evaluate Their Safety and Effectiveness in Treating Merkel Cell Skin Cancer, MATRiX Trial

NCT05947500
View directory record Official record
Conditions
Clinical Stage III Cutaneous Merkel Cell Carcinoma AJCC v8, Clinical Stage IV Cutaneous Merkel Cell Carcinoma AJCC v8, Locally Advanced Merkel Cell Carcinoma, Metastatic Merkel Cell Carcinoma, Refractory Merkel Cell Carcinoma, Unresectable Merkel Cell Carcinoma
Interventions
Avelumab, Biopsy Procedure, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography, Tuvusertib
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
50
States / cities
Irvine, California • La Jolla, California • Los Angeles, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exact CRC Screening Test: Stool Sample Collection Study to Support Assay Validation Testing

NCT01600209
View directory record Official record
Conditions
Colorectal Neoplasms, Digestive System Diseases, Colonic Diseases, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
50 Years to 84 Years
Enrollment
674 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
13
States / cities
Tucson, Arizona • Pomona, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Oct 17, 2026, 2:50 PM EDT
Recruiting Phase 1 Interventional

PSCA-Targeting CAR-T Cells Plus or Minus Radiation for the Treatment of Patients With PSCA+ Metastatic Castration-Resistant Prostate Cancer

NCT05805371
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Metastatic Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Autologous Anti-PSCA-CAR-4-1BB/TCRzeta-CD19t-expressing T-lymphocytes, Biopsy, Biospecimen Collection, Bone Scan, Computed Tomography, External Beam Radiation Therapy, Leukapheresis, Lymphodepletion Therapy
Biological · Procedure · Radiation
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed No phase listed Observational

Collection of Blood, Urine, and Stool to Monitor MetastaticColorectal Cancers

NCT03563651
View directory record Official record
Conditions
Stage III Colorectal Cancer AJCC v8, Stage IIIA Colorectal Cancer AJCC v8, Stage IIIB Colorectal Cancer AJCC v8, Stage IIIC Colorectal Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8, Stage IVA Colorectal Cancer AJCC v8, Stage IVB Colorectal Cancer AJCC v8, Stage IVC Colorectal Cancer AJCC v8
Interventions
Biopsy, Biospecimen Collection, Laboratory Biomarker Analysis, Questionnaire Administration
Procedure · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Not applicable Interventional Results available

Examining Changes in Microbiota Over the Course of PTSD Treatment

NCT04109196
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Depression
Interventions
Cognitive Processing Therapy
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 17, 2026, 2:50 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Impact of COVID-19 on Maternal and Neonatal Outcomes

NCT05197621
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Active, not recruiting Phase 2 Interventional Results available

TRADE: Dose Escalation Tolerability of Abemaciclib in HR+ HER2- Early Stage Breast Cancer

NCT06001762
View directory record Official record
Conditions
Breast Cancer, Early-stage Breast Cancer, High Risk Breast Carcinoma
Interventions
Abemaciclib, Tamoxifen, Anastrozole, Letrozole, Exemestane, LHRH Agonist
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
12
States / cities
Stamford, Connecticut • Brewer, Maine • Scarborough, Maine + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Suspended Not applicable Interventional

Ketogenic Dietary Intervention to Improve Response to Immunotherapy in Patients With Metastatic Melanoma and Metastatic Kidney Cancer

NCT06391099
View directory record Official record
Conditions
Clinical Stage IV Cutaneous Melanoma AJCC v8, Metastatic Cutaneous Melanoma, Metastatic Renal Cell Carcinoma, Stage IV Renal Cell Cancer AJCC v8
Interventions
Best Practice, Biospecimen Collection, Computed Tomography, Dietary Intervention, Educational Activity, Glucose Measurement, Ketone Measurement, Questionnaire Administration
Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed No phase listed Observational

Hormonal Influences on Inflammatory Bowel Diseases

NCT05610527
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Contraception, Menstrual Problem
Interventions
Proposed study design and randomization scenarios, Repeated measures of validated Inflammatory Bowel Disease Patient Reported Outcome Instruments, Inflammatory marker collection and assessment for correlation with PRO responses and menstrual timing
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Phase 2 Interventional Results available

Atezolizumab and CYT107 in Treating Participants With Locally Advanced, Inoperable, or Metastatic Urothelial Carcinoma

NCT03513952
View directory record Official record
Conditions
Advanced Bladder Urothelial Carcinoma, Advanced Ureter Urothelial Carcinoma, Metastatic Bladder Urothelial Carcinoma, Metastatic Renal Pelvis Urothelial Carcinoma, Metastatic Ureter Urothelial Carcinoma, Metastatic Urethral Urothelial Carcinoma, Metastatic Urothelial Carcinoma, Recurrent Bladder Urothelial Carcinoma, Recurrent Renal Pelvis Urothelial Carcinoma, Recurrent Ureter Urothelial Carcinoma, Recurrent Urethral Urothelial Carcinoma, Stage III Bladder Cancer AJCC v8, Stage III Renal Pelvis Cancer AJCC v8, Stage III Ureter Cancer AJCC v8, Stage III Urethral Cancer AJCC v8, Stage IV Bladder Cancer AJCC v8, Stage IV Renal Pelvis Cancer AJCC v8, Stage IV Ureter Cancer AJCC v8, Stage IV Urethral Cancer AJCC v8, Stage IVA Bladder Cancer AJCC v8, Stage IVB Bladder Cancer AJCC v8, Unresectable Bladder Urothelial Carcinoma, Unresectable Renal Pelvis Urothelial Carcinoma, Unresectable Ureter Urothelial Carcinoma
Interventions
Atezolizumab, Biopsy, Biospecimen Collection, Computed Tomography, Glycosylated Recombinant Human Interleukin-7, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Positron Emission Tomography and Computed Tomography Scan
Drug · Procedure · Biological + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
9
States / cities
Riverside, California • Tampa, Florida • Honolulu, Hawaii + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2024 · Synced Oct 17, 2026, 2:50 PM EDT
Active, not recruiting Phase 2 Interventional

Pirtobrutinib and Venetoclax With MRD Detection for Previously Untreated Chronic Lymphocytic Leukemia

NCT05677919
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Computed Tomography, Magnetic Resonance Imaging, Pirtobrutinib, Positron Emission Tomography, Venetoclax, Echocardiography, Multigated Acquisition Scan, Biopsy
Procedure · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed No phase listed Observational

Screening Tests in Detecting Colorectal Cancer

NCT00025025
View directory record Official record
Conditions
Colorectal Cancer
Interventions
sample testing
Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
65 Years to 80 Years
Enrollment
4,482 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
65
States / cities
Tuscon, Arizona • Oakland, California • Aurora, Colorado + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2016 · Synced Oct 17, 2026, 2:50 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Healthy Volunteers Study

NCT06962059
View directory record Official record
Conditions
Ovarian Cancer, Genetic Predisposition to Disease
Interventions
Self-Administered Sample Collection
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
30 Years to 50 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Not yet recruiting Phase 2 Interventional

Isotretinoin vs. Doxycycline for Acneiform Rash in Patients Receiving Drugs That Target the MAPK Pathway

NCT07629167
View directory record Official record
Conditions
Acneiform Drug Eruption, Acneiform Eruptions
Interventions
Isotretinoin, Doxycycline, Blood specimen collection, Photographs of Rash, Questionnaires, Stool Specimen collection
Drug · Procedure · Other + 1 more
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Years to 39 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Recruiting No phase listed Observational

Predictive Biomarkers for Pneumonitis After Chemoradiotherapy and Immunotherapy in Patients With Non-small Cell Lung Cancer

NCT04913311
View directory record Official record
Conditions
Lung Non-Small Cell Carcinoma
Interventions
Biospecimen Collection, Bronchoscopy with Bronchoalveolar Lavage, Chemoradiotherapy, Computed Tomography, Diagnostic Laboratory Biomarker Analysis, Immune Checkpoint Inhibitor, Nasal Wash and Collection, Quality-of-Life Assessment, Questionnaire Administration, Spirometry
Procedure · Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Modulation of Type 1 Diabetes Susceptibility Through the Use of Probiotics

NCT03423589
View directory record Official record
Conditions
Type1diabetes, Type1 Diabetes Mellitus
Interventions
VSL#3
Dietary Supplement
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
5 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 22, 2024 · Synced Oct 17, 2026, 2:50 PM EDT
Withdrawn No phase listed Observational

Diet, Physical Activity and Body Composition Changes During R-CHOP

NCT04293900
View directory record Official record
Conditions
Non-Hodgkin Lymphoma, DLBCL, Diffuse Large B Cell Lymphoma
Interventions
24-hour dietary recall, Hand grip strength, International Physical Activity Questionnaire, Patient-reported outcomes survey, Pittsburgh Sleep Quality Index, Functional Assessment of Cancer Treatment - Lymphoma, urine sample (optional), fecal sample (optional)
Other
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 6, 2020 · Synced Oct 17, 2026, 2:50 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Genes and Environment in Multiple Sclerosis

NCT01353547
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 17, 2026, 2:50 PM EDT
Completed No phase listed Observational

Schizophrenia and the Gut Microbiome

NCT02921243
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 64 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Oct 17, 2026, 2:50 PM EDT
Terminated Phase 2 Interventional

Gluten Free Diet in Diminishing Side Effects Patients With Acute Myeloid Leukemia Undergoing Induction Chemotherapy

NCT03108911
View directory record Official record
Conditions
Acute Myeloid Leukemia
Interventions
Best Practice, Biospecimen Collection, Dietary Intervention, Laboratory Biomarker Analysis
Other · Procedure
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 17, 2026, 2:50 PM EDT
Completed Not applicable Interventional

A Plant-Based Whole-Foods Meal Delivery Service for Patients With Multiple Myeloma Undergoing Autologous Hematopoietic Cell Transplant

NCT06559709
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Biospecimen Collection, Dietary Intervention, Medical Chart Review, Questionnaire Administration
Procedure · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Oct 17, 2026, 2:50 PM EDT