Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 11, 2026, 1:57 PM EST

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Showing 2329–2352 of 3,528 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

Microbiome Analysis of Constipated Versus Non-constipation Patients

NCT04106232
Conditions
Rome IV Functional Constipation
Interventions
No change in procedure except for specimen collection throughout procedure
Other
Lead sponsor
HyGIeaCare, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
3
States / cities
Flowood, Mississippi • Cincinnati, Ohio • Norfolk, Virginia
Recruiting Not applicable Interventional Accepts healthy volunteers

Investigation of Lymph Node Biology in Kidney Cancer

NCT07038733
Conditions
Renal Cell Carcinoma (RCC)
Interventions
Peripheral Blood Sample for Immune Analysis, Tumor Sample for Analysis, Adjacent non-malignant kidney for analysis, Draining lymph node(s) for analysis, Regional non-draining lymph node(s) for analysis
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
New Haven, Connecticut
Recruiting Phase 1 Interventional

ABY-029 Glioma Trial

NCT07063693
Conditions
Intracranial Tumor
Interventions
ABY-029
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
Body Response to Trauma
Interventions
Phlebotomy
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 98 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Localized Renal Pelvis and Ureter Urothelial Carcinoma, Locally Advanced Bladder Urothelial Carcinoma, Locally Advanced Renal Pelvis and Ureter Urothelial Carcinoma, Locally Advanced Ureter Urothelial Carcinoma, Locally Advanced Urothelial Carcinoma, Stage II Bladder Urothelial Carcinoma AJCC v6 and v7, Stage II Renal Pelvis and Ureter Cancer AJCC v7, Stage II Ureter Cancer AJCC v7, Stage III Bladder Urothelial Carcinoma AJCC v6 and v7, Stage III Renal Pelvis and Ureter Cancer AJCC v7, Stage III Ureter Cancer AJCC v7
Interventions
Biospecimen Collection, Clinical Observation, Computed Tomography, CT Urography, Cystoscopy, Magnetic Resonance Imaging, Pembrolizumab, Pharmacological Study, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
739 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
913
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 571 more
Conditions
Leiomyosarcoma, Liposarcoma, Sarcoma G2, Sarcoma G3, Soft Tissue Sarcoma, Soft Tissue Sarcoma of the Trunk and Extremities, Stage I Soft Tissue Sarcoma AJCC v7, Stage II Soft Tissue Sarcoma AJCC v7, Undifferentiated Pleomorphic Sarcoma
Interventions
Biopsy Procedure, Biospecimen Collection, Magnetic Resonance Imaging, Radiation Therapy, Talimogene Laherparepvec
Procedure · Radiation · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
16
States / cities
Phoenix, Arizona • Duarte, California • Orange, California + 12 more
Completed No phase listed Observational

Schizophrenia and the Gut Microbiome

NCT02921243
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
Completed No phase listed Observational Accepts healthy volunteers Results available

Coagulation Factor Changes Associated With Postpartum Hysterectomies

NCT00456547
Conditions
Obstetric Labor Complications, Hemorrhage, Complications; Cesarean Section
Interventions
Blood Draw
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Metastatic Colorectal Carcinoma, Metastatic Malignant Neoplasm in the Peritoneum, Stage IV Colorectal Cancer AJCC v8
Interventions
Biopsy, Biospecimen Collection, Computed Tomography, Diagnostic Laparoscopy, Fluorouracil, Magnetic Resonance Imaging, Oxaliplatin, Surgical Procedure
Procedure · Drug
Lead sponsor
Arjun Mittra
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Columbus, Ohio • Dallas, Texas
Conditions
Pulmonary Arterial Hypertension
Interventions
Blood Sampling, Cardiac MRI
Procedure · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Heart Disease
Interventions
Blood Sample
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
2 Months and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2020
U.S. locations
1
States / cities
Houston, Texas
Conditions
Healthy Subjects
Interventions
Blood Collection
Procedure
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 64 Years
Enrollment
955 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2017
U.S. locations
2
States / cities
Baltimore, Maryland • Hackensack, New Jersey
Conditions
HIV/AIDS
Interventions
Know@Home, Self-test Kit
Behavioral · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
2,195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Not listed No phase listed Observational Accepts healthy volunteers

Whole Blood Specimen Collection From Healthy Subjects

NCT02797743
Conditions
Healthy Volunteers
Interventions
Whole blood
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
Not listed
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
3
States / cities
Eunice, Louisiana • Voorhees Township, New Jersey • Cincinnati, Ohio
Conditions
Leukemia, Myelodysplastic Syndromes, Myeloproliferative Syndrome
Interventions
Genomic profiling
Genetic
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
Up to 30 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2033
U.S. locations
8
States / cities
Hartford, Connecticut • Portland, Maine • Boston, Massachusetts + 4 more
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Smartphone App-delivered Smoking Cessation Intervention, Health Promotion and Education, Biospecimen Collection, Questionnaire Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Acute Leukemia, Deep Vein Thrombosis, Hematopoietic and Lymphoid Cell Neoplasm, Hodgkin Lymphoma, Myeloproliferative Neoplasm, Non-Hodgkin Lymphoma, Plasma Cell Myeloma, Thrombocytopenia
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Scottsdale, Arizona
Conditions
Bile Duct Stricture, Choledocholithiasis
Interventions
Blood draw for culture
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Stanford, California
Conditions
Pain, Postoperative, Pain, Pain, Acute, Pain, Chronic, Adolescent Behavior, Opioid Use
Interventions
Baseline Survey, Post Operative Surveys, Qualitative Interviews
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
11 Years to 21 Years
Enrollment
501 participants
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Oxalate Formation From Ascorbic Acid

NCT04603898
Conditions
Kidney Stone
Interventions
Low Oxalate Diet, Carbon-13 Ascorbic Acid Oral Load
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

Investigating Real-world Stress-related Mechanisms in Heavy Cannabis Users

NCT05833230
Conditions
Cannabis Use, Cannabis, Cannabis Abuse
Interventions
Intensive Day Monitoring
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Short Chain Fatty Acid Metabolism in COPD

NCT03327181
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
short chain fatty acid tracers
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years to 100 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
College Station, Texas
Recruiting No phase listed Observational Accepts healthy volunteers

Ex Vivo Expansion (ACT-X)

NCT07137312
Conditions
Solid Tumor, Healthy, Malignant Solid Neoplasm
Interventions
Blood Draw, Apheresis
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Recurrent Endometrial Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Bone Marrow Aspiration and Biopsy, Computed Tomography, Echocardiography Test, Multigated Acquisition Scan, Olaparib, Selumetinib Sulfate
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
292
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 229 more