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ClinicalTrials.gov public records Last synced Oct 27, 2026, 1:02 PM EDT

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Showing 1057–1080 of 3,667 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: sample collection Clear all
Completed No phase listed Observational

Longitudinal Evaluation of HIV-associated Lung Disease Phenotypes

NCT02238327
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, HIV, Emphysema
Interventions
blood draw, questionnaires, Lung function testing, Six-Minute walk test, Quantitative CT scans, Nasal secretion and cell collection, Echocardiogram
Procedure · Radiation
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 27, 2026, 1:02 PM EDT
Enrolling by invitation Early Phase 1 Interventional Accepts healthy volunteers

Pathways of Eicosanoid Metabolism

NCT04464070
View directory record Official record
Conditions
Metabolism of Prostaglandin D2
Interventions
niacin, aspirin, PGD2
Dietary Supplement · Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 27, 2026, 1:02 PM EDT
Completed No phase listed Observational

Health Behaviors, Surveillance, Psychosocial Factors, and Family Concerns

NCT00518050
View directory record Official record
Conditions
Melanoma, Survivors, Psychological Factors
Interventions
Focus group, Survey
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2015 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting Phase 2 Interventional

Testing the Addition of the Immunotherapy Drug, Pembrolizumab, to Radiation Therapy Compared to the Usual Chemotherapy Treatment During Radiation Therapy for Bladder Cancer, PARRC Trial

NCT06770582
View directory record Official record
Conditions
Non-Muscle Invasive Bladder Urothelial Carcinoma, Recurrent Non-Muscle Invasive Bladder Urothelial Carcinoma, Stage I Bladder Cancer AJCC v8
Interventions
Biospecimen Collection, Cisplatin, Computed Tomography, Fluorouracil, Gemcitabine, Magnetic Resonance Imaging, Mitomycin, Pembrolizumab, Questionnaire Administration, Radiation Therapy
Procedure · Drug · Biological + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
145
States / cities
Tucson, Arizona • Fayetteville, Arkansas • Rogers, Arkansas + 103 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 27, 2026, 1:02 PM EDT
Not listed Not applicable Interventional

Behavioral Economics Intervention to Increase Treatment Seeking in the National Guard

NCT04098588
View directory record Official record
Conditions
Treatment Refusal
Interventions
BEAST, Descriptive Feedback
Behavioral
Lead sponsor
University of Southern Mississippi
Other
Eligibility
18 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Hattiesburg, Mississippi
Source: ClinicalTrials.gov public record
Updated Nov 4, 2022 · Synced Oct 27, 2026, 1:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Electronic Pre-exposure Prophylaxis (PrEP) Initiation and Maintenance Home Care System

NCT03729570
View directory record Official record
Conditions
Pre-exposure Prophylaxis
Interventions
ePrEP
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
4
States / cities
Birmingham, Alabama • Atlanta, Georgia • Jackson, Mississippi + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2024 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting Phase 2 Interventional

Neoadjuvant Botensilimab and Balstilimab for the Treatment of Advanced Resectable Colorectal Cancer NEST3

NCT07595874
View directory record Official record
Conditions
Advanced Colon Adenocarcinoma, Advanced Colorectal Adenocarcinoma, Advanced Rectal Adenocarcinoma, Stage IIB Colon Cancer AJCC v8, Stage IIB Rectal Cancer AJCC v8, Stage IIC Colon Cancer AJCC v8, Stage IIC Rectal Cancer AJCC v8, Stage IIIA Colon Cancer AJCC v8, Stage IIIA Rectal Cancer AJCC v8, Stage IIIB Colon Cancer AJCC v8, Stage IIIB Rectal Cancer AJCC v8, Stage IIIC Colon Cancer AJCC v8, Stage IIIC Rectal Cancer AJCC v8
Interventions
Balstilimab, Biospecimen Collection, Botensilimab, Computed Tomography, Magnetic Resonance Imaging
Biological · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
11
States / cities
Goodyear, Arizona • Corona, California • Duarte, California + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 27, 2026, 1:02 PM EDT
Withdrawn Phase 3 Interventional

Therapeutic Benefit of Preoperative Supplemental Vitamin D in Patients Undergoing Major Surgical Procedures.

NCT02138591
View directory record Official record
Conditions
Vitamin d Deficiency
Interventions
Blood draw pre-operatively, Blood draw post-operative Day 1, Blood draw post-operative Day 2
Procedure
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 27, 2026, 1:02 PM EDT
Active, not recruiting Phase 1 Interventional Results available

VSV-hIFNbeta-NIS With or Without Ruxolitinib Phosphate in Treating Stage IV or Recurrent Endometrial Cancer

NCT03120624
View directory record Official record
Conditions
Metastatic Endometrial Carcinoma, Recurrent Endometrial Adenocarcinoma, Recurrent Endometrial Carcinoma, Recurrent Endometrial Clear Cell Adenocarcinoma, Recurrent Endometrial Endometrioid Adenocarcinoma, Recurrent Endometrial Mixed Cell Adenocarcinoma, Recurrent Endometrial Serous Adenocarcinoma, Recurrent Endometrial Undifferentiated Carcinoma, Recurrent Uterine Corpus Carcinosarcoma, Stage IV Uterine Corpus Cancer AJCC v7
Interventions
Biopsy, Computed Tomography, Fluorine F 18 Tetrafluoroborate, Pharmacological Study, Positron Emission Tomography, Recombinant Vesicular Stomatitis Virus-expressing Human Interferon Beta and Sodium-Iodide Symporter, Ruxolitinib Phosphate, Technetium Tc-99m Sodium Pertechnetate, Biospecimen Collection
Procedure · Other · Biological + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 27, 2026, 1:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Omadacycline Tissue Penetration in Diabetic Patients With Wound Infections and Healthy Volunteers Via In Vivo Microdialysis

NCT04144374
View directory record Official record
Conditions
Diabetes, Wound Infection, Healthy Volunteers
Interventions
Omadacycline, Microdialysis Catheter Insertion
Drug · Procedure
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 25, 2021 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Opioid Use Disorder in Pregnancy in Long-Term Maternal/Infant Outcomes

NCT03923374
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Use, Unspecified, Buprenorphine Dependence
Interventions
Subutex / Buprenorphine, Fetal & Neonatal MRI, DNA/Genetic/Pharmacokenetic Blood Draws
Drug · Diagnostic Test
Lead sponsor
Senthil Sadhasivam
Other
Eligibility
18 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting Phase 2 Interventional

Duvelisib Maintenance for the Treatment of Peripheral T-Cell Lymphomas

NCT07293403
View directory record Official record
Conditions
Follicular Helper T-Cell Lymphoma, Peripheral T-Cell Lymphoma, Not Otherwise Specified
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Computed Tomography, Duvelisib, Positron Emission Tomography, Survey Administration
Procedure · Drug · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 27, 2026, 1:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Endothelial Microparticles: A Novel Marker of Vascular Dysfunction

NCT02230202
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Flow-mediated dilation, single blood draw
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting No phase listed Observational

Defining the Molecular and Radiologic Phenotype of Progressive RA Interstitial Lung Disease

NCT06397677
View directory record Official record
Conditions
Rheumatoid Arthritis, Interstitial Lung Disease
Interventions
Research Testing Performed (Laboratory), Information Collected as Standard of Care, Research Testing Performed
Genetic · Diagnostic Test · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
4
States / cities
San Francisco, California • Aurora, Colorado • Kansas City, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Oct 27, 2026, 1:02 PM EDT
Completed No phase listed Observational

Characterization of the Innate Immune Response in Healthy NIH Employees at Baseline and After Immunization With the H1N1 Vaccine

NCT00995527
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 27, 2026, 1:02 PM EDT
Completed No phase listed Observational

Prevalence of Multidrug Resistant Micro-organism Carriage in Patients Undergoing an ERCP in Four Different Countries

NCT05303662
View directory record Official record
Conditions
Drug Resistance, Multiple, Bacterial, Cholangiopancreatography, Endoscopic Retrograde
Interventions
Multidrug-Resistant Organisms (MDRO) testing through rectal and oral/nasal swabs, MDRO-testing duodenal aspirate, Microbiome through rectal swab, Microbiome testing duodenal aspirate
Diagnostic Test
Lead sponsor
Marco J. Bruno
Other
Eligibility
18 Years and older
Enrollment
1,244 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 8, 2025 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting Phase 2 Interventional

Intralesional Chemotherapy (IC): Cisplatin + Epinephrine

NCT07392580
View directory record Official record
Conditions
Laryngeal Squamous Cell Carcinoma
Interventions
Cisplatin, Epinephrine injection, Laryngeal Biopsy, Endoscopic Surgery
Drug · Procedure
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting No phase listed Observational

Collecting and Analyzing Tissue Samples From Patients Undergoing Surgery for Non-Small Cell Lung Cancer

NCT00897117
View directory record Official record
Conditions
Lung Cancer
Interventions
gene expression analysis, microarray analysis, protein expression analysis, biologic sample preservation procedure, laboratory biomarker analysis, matrix-assisted laser desorption/ionization time of flight mass spectrometry
Genetic · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years to 120 Years
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2031
U.S. locations
3
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting Phase 4 Interventional

Testosterone Replacement Therapy for the Treatment of Low Testosterone in Hypogonadal Men With Localized Prostate Cancer on Active Surveillance

NCT06733350
View directory record Official record
Conditions
Localized Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8
Interventions
Biopsy of Prostate, Biospecimen Collection, Magnetic Resonance Imaging, Patient Observation, Questionnaire Administration, Therapeutic Testosterone
Procedure · Other · Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Biomarker Development for Muscular Dystrophies

NCT05019625
View directory record Official record
Conditions
Myotonic Dystrophy, Duchenne Muscular Dystrophy, Becker Muscular Dystrophy, Facioscapulohumeral Muscular Dystrophy
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
5 Years and older
Enrollment
465 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2028
U.S. locations
5
States / cities
Boston, Massachusetts • Winston-Salem, North Carolina • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Oct 27, 2026, 1:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Primary Care Providers' Views and Understanding of Current Recommended Guidelines for Cervical Cancer Screening

NCT02265120
View directory record Official record
Conditions
Cervical Cancer
Interventions
Questionnaire
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
20 Years to 70 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Oct 27, 2026, 1:02 PM EDT
Completed No phase listed Observational

Comparison of Gut Microbiota, Inflammation and Symptoms Following Allogeneic HSCT

NCT02398708
View directory record Official record
Conditions
Graft vs Host Disease, Graft Versus Host Disease, Hematopoietic Stem Cell Transplantation, Peripheral Blood Stem Cell Transplantation
Interventions
Questionnaires, Blood Sample, Stool Sample, Clinical data
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 25, 2019 · Synced Oct 27, 2026, 1:02 PM EDT
Recruiting Not applicable Interventional

Low-Count Quantitative SPECT for Men Treated With Radium-223

NCT07221825
View directory record Official record
Conditions
Prostate Cancer, Cancer of the Prostate
Interventions
Low-count quantitative single-photon emission computed tomography imaging
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 27, 2026, 1:02 PM EDT