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ClinicalTrials.gov public records Last synced Oct 24, 2026, 12:23 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 601–624 of 3,665 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: sample collection Clear all
Active, not recruiting Phase 1 Interventional

M6620 and Irinotecan Hydrochloride in Treating Patients With Solid Tumors That Are Metastatic or Cannot Be Removed by Surgery

NCT02595931
View directory record Official record
Conditions
Metastatic Colorectal Carcinoma, Metastatic Lung Small Cell Carcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Pancreatic Carcinoma, Refractory Colorectal Carcinoma, Refractory Lung Small Cell Carcinoma, Refractory Malignant Solid Neoplasm, Refractory Pancreatic Carcinoma, Stage III Colorectal Cancer AJCC v8, Stage III Lung Cancer AJCC v8, Stage III Pancreatic Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IV Pancreatic Cancer AJCC v8, Unresectable Colorectal Carcinoma, Unresectable Lung Small Cell Carcinoma, Unresectable Malignant Solid Neoplasm, Unresectable Pancreatic Carcinoma
Interventions
Berzosertib, Biopsy Specimen, Biospecimen Collection, Computed Tomography, Irinotecan Hydrochloride
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
23
States / cities
Los Angeles, California • Palo Alto, California • Pasadena, California + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers in Aortic Stenosis - B.A.S.S.

NCT01334801
View directory record Official record
Conditions
Aortic Stenosis, Disorder of Prosthetic Cardiac Valve, Aortic Valve Insufficiency, Mitral Valve Insufficiency, Hypertrophic Cardiomyopathy, Tricuspid Valve Insufficiency
Interventions
Blood Draw
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
378 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2020
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 24, 2026, 12:23 PM EDT
Not yet recruiting Phase 2 Interventional

Proton Spatially Fractionated Radiotherapy or Photon Stereotactic Body Radiotherapy in Combination With Pembrolizumab Before Surgery for the Treatment of Locally Advanced and Radiation-Naive Locoregionally Recurrent Oral Cavity Cancer, OSPRI Trial

NCT07783581
View directory record Official record
Conditions
Locally Advanced Oral Cavity Squamous Cell Carcinoma, Locally Recurrent Oral Cavity Squamous Cell Carcinoma, Oral Cavity Squamous Cell Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Pembrolizumab, Photon Stereotactic Body Radiation Therapy, Positron Emission Tomography, Spatially-fractionated Radiation Therapy, Surgical Procedure
Procedure · Biological · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Active, not recruiting No phase listed Observational

Bio-Banking of Specimens for Advanced Lung Disease and Lung Transplant Research

NCT04664192
View directory record Official record
Conditions
Respiratory Failure, Interstitial Lung Disease, Lung Diseases
Interventions
Patient Biospecimen Registry (observational and blood sampling)
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Natural History, Pathogenesis, and Outcome of Autoinflammatory Diseases (NOMID/CAPS, DIRA, CANDLE, SAVI, NLRC4-MAS, Still'S-like Diseases, and Other Undifferentiated Autoinflammatory Diseases)

NCT02974595
View directory record Official record
Conditions
NOMID, DIRA, NLRC4-MAS, SAVI, CANDLE
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 99 Years
Enrollment
3,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2032
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Recruiting Not applicable Interventional

Ommaya Reservoir Placement at the Time of Biopsy for Longitudinal Biomarker Collection in Patients With Brain Tumors

NCT06322602
View directory record Official record
Conditions
Brain Neoplasms
Interventions
Intracranial Catheter Placement, Lumbar Puncture, Biopsy, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Developing Non-Communicable Disease Registries in Africa : A Step Towards Providing Quality Data for Improving Patient Outcomes

NCT03473795
View directory record Official record
Conditions
Non-Communicable Disease
Interventions
Questionnaire forms, Bio-specimen samples
Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
6,990 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational

Feasibility of Saliva and Remote Monitoring of Active Cytomegalovirus (CMV) Infection and Symptoms During Ovarian Cancer Treatment

NCT06870539
View directory record Official record
Conditions
Cancer-related Cognitive Dysfunction, Cytomegaloviral Infection, Fallopian Tube Carcinoma, Ovarian Carcinoma, Primary Peritoneal Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
2
States / cities
Minneapolis, Minnesota • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational

Protocol for Facilitating the Acquisition of Research Bone Marrow and Blood Samples

NCT01985919
View directory record Official record
Conditions
No Restrictions on Diagnosis
Interventions
Obtaining human tissue for basic research or biospecimen bank
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Recruiting Not applicable Interventional

Pilot Comparing ctDNA IDV vs. SPV Sample in Pts Undergoing Biopsies for Hepatobiliary and Pancreatic Cancers

NCT05497531
View directory record Official record
Conditions
Hepatobiliary Cancer, Pancreatic Cancer, Hepatocellular Carcinoma, Cholangiocarcinoma, Ampullary Cancer, Pancreatic Carcinoma
Interventions
ctDNA Blood Collection
Diagnostic Test
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Terminated Phase 4 Interventional

Effect of HSD3B1 (1245C) Gene Mutation on Treatment of Stage I-III Breast Cancer

NCT05183828
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Breast Adenocarcinoma, Invasive Breast Carcinoma of No Special Type
Interventions
Biospecimen Collection, Letrozole, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Post-Exercise Cardiovascular Responses Following Energy Drink Consumption

NCT03418077
View directory record Official record
Conditions
QTc Interval
Interventions
Energy Drink, Placebo-control
Dietary Supplement
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years to 40 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2020 · Synced Oct 24, 2026, 12:23 PM EDT
Completed Phase 1 Interventional

Bisphenol A Controlled Exposure Study

NCT01573429
View directory record Official record
Conditions
Healthy Volunteers
Interventions
deuterated-Bisphenol A (d-BPA)
Other
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
25 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational

Immuno-regulatory Profiling of T Cells in GVHD Treated With Extracorporeal Photopheresis

NCT03851601
View directory record Official record
Conditions
GVHD
Interventions
blood samples
Other
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Oct 24, 2026, 12:23 PM EDT
Recruiting No phase listed Observational

The Role of Brain-Bone Marrow-Gut Interaction Following Major Trauma

NCT06606119
View directory record Official record
Conditions
Trauma Injury, Trauma, Critical Illness, Microbiome, Chronic Anemia, Acute Blood Loss Anemia
Interventions
Data and tissue collection
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Molecular Markers in Predicting Lung Cancer Development Using Tissue Samples From Healthy Participants

NCT00899457
View directory record Official record
Conditions
Healthy, no Evidence of Disease, Lung Cancer
Interventions
proteomic profiling, biologic sample preservation procedure, laboratory biomarker analysis, bronchoscopy
Genetic · Other · Procedure
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
3
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

N600X Low Saturation Accuracy Validation

NCT05532670
View directory record Official record
Conditions
Hypoxia
Interventions
Non-Invasive Controlled Hypoxia
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 23, 2022 · Synced Oct 24, 2026, 12:23 PM EDT
Recruiting Phase 4 Interventional

Evaluation of the Change in PSMA Expression in Prostate Cancer in Response to Hormonal Therapy

NCT05919329
View directory record Official record
Conditions
Castration Resistant Prostate Cancer, Castration Sensitive Prostate Cancer, Prostate Adenocarcinoma
Interventions
Piflufolastat, PSMA PET/CT Scan, PSMA PET/MRI scan, Biospecimen Collection, Electronic Health Record Review
Drug · Procedure · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational

Tenofovir, Emtricitabine, Efavirenz and Atazanavir Pharmacokinetics in the Aging HIV-Infected Population

NCT01180075
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
tenofovir/emtricitabine/efavirenz (TDF/FTC/EFV), tenofovir/emtricitabine (TDF/FTC), Atazanavir (ATV), Ritonavir, Phlebotomy
Drug · Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Oct 24, 2026, 12:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Detection of Gut Metabolites in Mother's Milk Following Juice Intake

NCT04596254
View directory record Official record
Conditions
Healthy Diet
Interventions
Pomegranate Juice
Other
Lead sponsor
Amazentis SA
Industry
Eligibility
20 Years to 40 Years · Female only
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neurotoxicity and Cardiotoxicity in Total Joint Arthroplasty

NCT04166539
View directory record Official record
Conditions
Metallosis, Pain, Total Hip Replacement, Total Knee Replacement
Interventions
Questionnaires, Interviews, Blood draw, Magnetic Resonance Imaging, Echocardiogram
Behavioral · Other · Radiation + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Oct 24, 2026, 12:23 PM EDT
Terminated Phase 1 Interventional

Vudalimab (XmAb20717) in Combination With Standard of Care Treatment in Patients With Metastatic Castration Sensitive Prostate Cancer

NCT05733351
View directory record Official record
Conditions
Castration-Sensitive Prostate Carcinoma, Metastatic Prostate Adenocarcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Abiraterone, Biospecimen Collection, Bone Scan, Computed Tomography, Docetaxel, Enzalutamide, FDG-Positron Emission Tomography, Magnetic Resonance Imaging, PSMA PET Scan, Vudalimab
Drug · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational

The Association Between Gut Microbiota Diversity and Postpartum Depression

NCT07227753
View directory record Official record
Conditions
Depression During Pregnancy
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 24, 2026, 12:23 PM EDT
Completed No phase listed Observational

Effects of Chemotherapy on Intestinal Bacteria in Patients With Newly Diagnosed Breast Cancer

NCT02370277
View directory record Official record
Conditions
Ductal Breast Carcinoma In Situ, Invasive Breast Carcinoma, Stage I Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Questionnaire Administration
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2019 · Synced Oct 24, 2026, 12:23 PM EDT