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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:52 PM EDT

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

Showing 25–48 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sample Collection Clear all
Completed No phase listed Observational

Collection of Blood and Bone Marrow Samples From Select Patients With CML to Measure Minimal Residual Disease

NCT00819143
View directory record Official record
Conditions
Leukemia
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 10:52 PM EDT
Terminated No phase listed Observational

Sample Collection From Melanoma Patients

NCT00507325
View directory record Official record
Conditions
Melanoma
Interventions
Blood Sample, Tumor Sample
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2022 · Synced Oct 21, 2026, 10:52 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Blood for Multiple Collaborative Studies

NCT01336855
View directory record Official record
Conditions
HIV
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1988 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational

Sample Collection Registry for Quality Control of Biological and Environmental Specimens and Assay Development and Testing

NCT01087307
View directory record Official record
Conditions
Exposure
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
5,326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 21, 2026, 10:52 PM EDT
Terminated No phase listed Observational

Collection of Tissue Specimens for Analysis and Establishment of Cell Cultures

NCT00802607
View directory record Official record
Conditions
Bone Diseases, Connective Tissue Diseases
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

AI-EMERGE: Development and Validation of a Multi-analyte, Blood-based Colorectal Cancer Screening Test

NCT03688906
View directory record Official record
Conditions
Colo-rectal Cancer, Cancer Colon, Cancer, Rectum, Neoplasms,Colorectal, Polyps, Polyp of Colon, Adenoma, Adenoma Colon
Interventions
Not listed
Lead sponsor
Freenome Holdings Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
29
States / cities
Huntsville, Alabama • Chandler, Arizona • Tucson, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 21, 2026, 10:52 PM EDT
Recruiting No phase listed Observational

Sample Collection and Tracking for the Developmental Therapeutics Clinic

NCT03269578
View directory record Official record
Conditions
Neoplasms, Lymphoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational

Hormonal Changes in Early Pregnancy

NCT00340028
View directory record Official record
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
25 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2014
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 1, 2025 · Synced Oct 21, 2026, 10:52 PM EDT
Active, not recruiting Not applicable Interventional

Omission of Radiation in Patients With Her-2 Positive Breast Cancer

NCT03460067
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Omission of Radiation
Radiation
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
40 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational

Collection of Blood Specimens From Patients in AL-3789 Studies for Elevated Intraocular Pressure (IOP)

NCT00691639
View directory record Official record
Conditions
Open-Angle Glaucoma
Interventions
Blood Collection Only
Other
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2009 · Synced Oct 21, 2026, 10:52 PM EDT
Not listed No phase listed Observational

A Prospective Sample Collection Study Using Non-invasive Methods to Investigate Biomarkers in AD Patients

NCT04699695
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Biologic therapy versus no biologic therapy
Other
Lead sponsor
DermTech
Other
Eligibility
1 Year and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
New York, New York • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Oct 21, 2026, 10:52 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Predicitve Use of Spot Urine Protein/Creatinine Ratios in Preeclampsia

NCT00870428
View directory record Official record
Conditions
Preeclampsia
Interventions
Not listed
Lead sponsor
MemorialCare
Other
Eligibility
18 Years and older · Female only
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2009 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Project REMOTE (REimagining Measurements and Operations of Translational Endpoints)

NCT06776367
View directory record Official record
Conditions
COVID-19
Interventions
Remote study participation and self-collection of specimens, Traditional clinical trial participation with clinician-collected specimens
Other
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years and older
Enrollment
1,753 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
16
States / cities
Vestavia Hills, Alabama • Mesa, Arizona • Fair Oaks, California + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational

National Translational Science Network of Precision-based Immunotherapy for Primary Liver Cancer

NCT04145141
View directory record Official record
Conditions
Hepatocellular Carcinoma, Liver Cancer, Cholangiocarcinoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
4
States / cities
Bethesda, Maryland • New York, New York • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Collection of Alveolar Soft Part Sarcoma and Blood Specimens for Research

NCT00340353
View directory record Official record
Conditions
Alveolar Soft Part Sarcoma, Sarcoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
4 Years and older
Enrollment
99,999 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 10:52 PM EDT
Recruiting No phase listed Observational

Blood Specimen Collection For Laboratory Assay Research

NCT06046651
View directory record Official record
Conditions
General; Metabolic Disorder, Sexual Dysfunction, Hair Loss, Pathology
Interventions
Not listed
Lead sponsor
Roman Health Ventures Inc.
Industry
Eligibility
18 Years and older
Enrollment
10,000 participants
Timeline
2023 – 2033
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 21, 2026, 10:52 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 21, 2026, 10:52 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Immunology Specimens From Patients With Cancer or Blood Disorders, and Healthy Volunteers

NCT03207854
View directory record Official record
Conditions
Healthy Subject, Hematologic and Lymphocytic Disorder, Hematopoietic and Lymphoid Cell Neoplasm, Immune System Disorder, Malignant Neoplasm
Interventions
Biospecimen Collection, Laboratory Biomarker Analysis, Questionnaire Administration
Procedure · Other
Lead sponsor
University of Southern California
Other
Eligibility
19 Years and older
Enrollment
625 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational

Blood Sample Collection for Experimental Blood Test to Track Liver Cancer

NCT04720430
View directory record Official record
Conditions
Hepatocellular Carcinoma
Interventions
Not listed
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Timeline
2019 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 21, 2026, 10:52 PM EDT
Completed No phase listed Observational

Survey and Blood Sample Collection for Patients With Lung Cancer Who Never Smoked Cigarettes

NCT00745160
View directory record Official record
Conditions
Lung Cancer
Interventions
blood sample and questionnaire
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
5
States / cities
Basking Ridge, New Jersey • Commack, New York • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2011 · Synced Oct 21, 2026, 10:52 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Tissue Sample Collection From Patients With Head and Neck Cancer and From Healthy Participants

NCT00898638
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
biologic sample preservation procedure, medical chart review
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
8,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2050
U.S. locations
4
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Oct 21, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ABCA2 GIRMS Analytical Validation Clinical Performance Study

NCT04607304
View directory record Official record
Conditions
Gastroparesis
Interventions
ABCA2 GIRMS
Device
Lead sponsor
Cairn Diagnostics
Industry
Eligibility
18 Years to 85 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Brentwood, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 30, 2021 · Synced Oct 21, 2026, 10:52 PM EDT
Not listed No phase listed Observational

Developing a Functional Cure for HIV Disease: Clinical Specimen Collection From HIV Positive Individuals

NCT03215004
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
American Gene Technologies International Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 21, 2026, 10:52 PM EDT
Recruiting No phase listed Observational

Collection of CSF Samples From Participants With Metastatic Triple Negative Breast Cancer (TNBC) and HER2+ Breast Cancer With no Prior History Nor Active Radiographically Detectable Brain Metastases

NCT07619534
View directory record Official record
Conditions
Breast Cancer, Breast Carcinoma, Cancer of the Breast, Malignant Neoplasm of Breast
Interventions
Arm 1
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2034
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 21, 2026, 10:52 PM EDT