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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:00 AM EDT

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

Showing 121–144 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sample Collection Clear all
Terminated No phase listed Observational Accepts healthy volunteers

Specimen Collection Study From Coronavirus Disease 2019 (COVID-19) Vaccinated Adults and Adolescents

NCT05252910
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Pharm-Olam, LLC
Industry
Eligibility
12 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
6
States / cities
Boston, Massachusetts • Omaha, Nebraska • Syracuse, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Oct 22, 2026, 2:00 AM EDT
Completed No phase listed Observational

Access BNP Clinical Enrollment Study

NCT06624293
View directory record Official record
Conditions
Heart Failure
Interventions
BNP
Diagnostic Test
Lead sponsor
Beckman Coulter, Inc.
Industry
Eligibility
22 Years and older
Enrollment
1,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
17
States / cities
Loma Linda, California • Sacramento, California • Gainesville, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Oct 22, 2026, 2:00 AM EDT
Completed No phase listed Interventional Accepts healthy volunteers Results available

BD MiniDraw™ Capillary System Clinical Equivalence Study

NCT05186311
View directory record Official record
Conditions
Healthy, Disease, Chronic, Acute Disease, Sample Collection
Interventions
Capillary Blood Collection System
Device
Lead sponsor
Becton, Dickinson and Company
Industry
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2023 · Synced Oct 22, 2026, 2:00 AM EDT
Terminated Phase 3 Interventional Results available

A Companion Sample Collection Protocol to Support the Discovery of Breast Cancer Aberrations With Treatment of CDK4/6 Therapy/LEE011/Ribociclib

NCT03050398
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
6
States / cities
Sedona, Arizona • Long Beach, California • Charlotte, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated May 28, 2020 · Synced Oct 22, 2026, 2:00 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Whole Blood Specimen Collection From Pregnant Subjects

NCT02430584
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome, Patau Syndrome, Klinefelter Syndrome, Turner Syndrome, DiGeorge Syndrome, Perinatal Infections
Interventions
Observational - no intervention
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 17, 2020 · Synced Oct 22, 2026, 2:00 AM EDT
Not listed No phase listed Observational

Stool Sample Collection Study

NCT06294873
View directory record Official record
Conditions
Colorectal Cancer
Interventions
A screening device for the detection of colorectal and other aerodigestive tract cancers
Diagnostic Test
Lead sponsor
Innovis LLC
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Anaheim, California • Ocala, Florida • Cordova, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 22, 2026, 2:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Specimen Collection Study Protocol

NCT04468386
View directory record Official record
Conditions
Focus in on Collecting Paired Specimens for Matrix Equivalency
Interventions
Not listed
Lead sponsor
Biomerica
Industry
Eligibility
21 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Nov 24, 2021 · Synced Oct 22, 2026, 2:00 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Human Biospecimen Procurement Protocol: Biorepository to Support Translational Research to Identify Disease Mechanism(s)

NCT02543996
View directory record Official record
Conditions
Undiagnosed Diseases, Cardiovascular Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
1 Month to 100 Years
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2050
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 22, 2026, 2:00 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Charcot-Marie-Tooth Disease (CMT) Biological Sample Collection for IPSC Generation and Biobanking

NCT06203093
View directory record Official record
Conditions
Charcot-Marie-Tooth Disease, Healthy
Interventions
Biological Sample Collection
Other
Lead sponsor
New York Stem Cell Foundation Research Institute
Other
Eligibility
5 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced Oct 22, 2026, 2:00 AM EDT
Terminated No phase listed Observational

Blood Sample Collection to Evaluate Biomarkers in Subjects With Untreated Melanoma

NCT03727087
View directory record Official record
Conditions
Melanoma
Interventions
Blood Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
36
States / cities
Little Rock, Arkansas • Laguna Hills, California • Palm Springs, California + 32 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Oct 22, 2026, 2:00 AM EDT
Terminated Phase 3 Interventional Results available

Chemotherapy or Observation in Treating Patients With Early Stage Non-Small Cell Lung Cancer

NCT00863512
View directory record Official record
Conditions
Lung Cancer
Interventions
cisplatin, docetaxel, gemcitabine hydrochloride, pemetrexed disodium, vinorelbine tartrate, standard follow-up care
Drug · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
93
States / cities
Anniston, Alabama • Birmingham, Alabama • Burbank, California + 66 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2017 · Synced Oct 22, 2026, 2:00 AM EDT
Active, not recruiting No phase listed Observational

ALTUS: Performance of a Multi- Target Hepatocellular Carcinoma (HCC) Test in Subjects With Increased Risk

NCT05064553
View directory record Official record
Conditions
Hepatocellular Carcinoma, Hepatocellular Cancer, Hepatitis B, Cirrhosis, Liver Cancer
Interventions
Study CT/MRI Imaging, Standard of Care CT/MRI Imaging, Oncoguard™ Liver Test
Device · Diagnostic Test
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,990 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
76
States / cities
Chandler, Arizona • Sun City, Arizona • Bakersfield, California + 62 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 22, 2026, 2:00 AM EDT
Recruiting No phase listed Observational

Sample Collection for Ongoing Research and Product Evaluation Study

NCT07318051
View directory record Official record
Conditions
Breast Cancer, Lung Cancer, Muscle Invasive Bladder Cancer, Rectal Cancer, Pancreatic Cancer, Ovarian Cancer, Gastroesophageal Cancer, Prostate Cancer, Melanoma, Head and Neck Cancer, Uterine Cancer, Liver Cancer
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
9,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2035
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 22, 2026, 2:00 AM EDT
Not listed No phase listed Observational

Specimen Collection and Transport Workflow Evaluations for CLIA-waived Molecular Testing

NCT03299283
View directory record Official record
Conditions
Respiratory Tract Infections, Gastrointestinal Infection
Interventions
BioFire test platform
Diagnostic Test
Lead sponsor
BioFire Diagnostics, LLC
Industry
Eligibility
Not listed
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Oct 22, 2026, 2:00 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Effect of Apple Cider Vinegar Supplementation on 24-hour Urine Chemistry in Adults

NCT07389226
View directory record Official record
Conditions
Kidney Stones, Urine Specimen Collection
Interventions
Apple Cider Vinegar
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 22, 2026, 2:00 AM EDT
Terminated No phase listed Observational

Internet-Based Clinical Information and Blood Sample Collection From Patients With Non-Small Cell Lung Cancer Who Never Smoked Cigarettes

NCT01141218
View directory record Official record
Conditions
Lung Cancer
Interventions
internet-based protocol and physician referral
Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Oct 22, 2026, 2:00 AM EDT
Completed No phase listed Observational

Sample Collection for Systems Evaluation of Patients With Unknown or Incompletely Characterized Immune Defects

NCT04408950
View directory record Official record
Conditions
Immunodeficiency
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 120 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 22, 2026, 2:00 AM EDT
Completed No phase listed Observational

RISC Panel Remnant Sample Collection

NCT05778162
View directory record Official record
Conditions
Arthritis, Inflammatory
Interventions
Synovasure® RISC™ Panel
Diagnostic Test
Lead sponsor
Zimmer Biomet
Industry
Eligibility
18 Years to 89 Years
Enrollment
1,000 participants
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 24, 2025 · Synced Oct 22, 2026, 2:00 AM EDT
Terminated No phase listed Interventional Accepts healthy volunteers Results available

Convenience Sample Data Collection for INVSENSOR00045

NCT04894669
View directory record Official record
Conditions
Oxygen Saturation
Interventions
INVSENSOR00045
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
Up to 1 Month
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Oct 22, 2026, 2:00 AM EDT
Recruiting No phase listed Observational

The Indiana Myeloma Registry

NCT03616483
View directory record Official record
Conditions
Plasma Cell Dyscrasias
Interventions
This is a non-interventional trial
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 22, 2026, 2:00 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Send-In Sample Collection for Comprehensive Analyses of Innate and Adaptive Immune Responses During Acute COVID-19 and Convalescence

NCT04582903
View directory record Official record
Conditions
COVID-19 Infection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 99 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2031
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 22, 2026, 2:00 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Collection of Tissue Specimens From Patients With Solid Tumors or Blood Disorders and Their HLA-Compatible Family Members

NCT00071045
View directory record Official record
Conditions
Neoplasms, Hematologic Neoplasms, Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 100 Years
Enrollment
6,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 2:00 AM EDT
Active, not recruiting No phase listed Observational

Prospective Collection of Whole Blood Specimens From RhD Negative Pregnant Women

NCT06690099
View directory record Official record
Conditions
Rhesus D Genotype, Pregnancy
Interventions
Not listed
Lead sponsor
Devyser Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 22, 2026, 2:00 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection and Analysis of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers

NCT00442195
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
8 Years to 99 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 22, 2026, 2:00 AM EDT