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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:26 AM EDT

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

Showing 193–216 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sample Collection Clear all
Completed No phase listed Observational

Collecting and Storing Samples of Bone Marrow and Blood From Patients With Relapsed Acute Lymphoblastic Leukemia or Non-Hodgkin Lymphoma

NCT00897325
View directory record Official record
Conditions
Recurrent Adult Acute Lymphoblastic Leukemia, Recurrent Adult Non-Hodgkin Lymphoma, Recurrent Childhood Acute Lymphoblastic Leukemia, Recurrent Childhood Non-Hodgkin Lymphoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 30 Years
Enrollment
811 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2019
U.S. locations
168
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 119 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Specimen Collection Study for Development and Validation of Laboratory Procedures

NCT01236027
View directory record Official record
Conditions
Laboratory Procedure Development and Validation
Interventions
no intervention
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Female only
Enrollment
245 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Oct 22, 2026, 4:26 AM 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 22, 2026, 4:26 AM EDT
Completed No phase listed Observational

Collection of Blood Samples for DNA in Motor Neuron Disease

NCT00362362
View directory record Official record
Conditions
Motor Neuron Diseases
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 22, 2026, 4:26 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Blood Sample Collection and Health Information Collection From Patients With Invasive Breast Cancer and Their Brothers and Sisters

NCT00445562
View directory record Official record
Conditions
Breast Cancer
Interventions
biologic sample preservation procedure, informational intervention
Other
Lead sponsor
GenBasix Incorporated
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2001
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational

Specimen Collection for Agricultural Health Study Cohort Pesticide Exposure Study

NCT01139476
View directory record Official record
Conditions
Multiple Myeloma, Leukemia, MGUS, Monoclonal B-Cell Lymphocytosis
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Male only
Enrollment
1,892 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational

Collection of Whole Blood Specimens in Pregnant Women

NCT03590678
View directory record Official record
Conditions
Pregnancy Related
Interventions
Not listed
Lead sponsor
Illumina, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
5
States / cities
Los Angeles, California • Riverside, California • Las Vegas, Nevada + 2 more
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 22, 2026, 4:26 AM EDT
Recruiting No phase listed Observational

Universal Biospecimen Collection Protocol for Extra Material From Clinical Pulmonary Procedures

NCT07218939
View directory record Official record
Conditions
Pulmonary
Interventions
Not listed
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
12,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 22, 2026, 4:26 AM EDT
Recruiting No phase listed Observational

Collecting Blood and Tissue Sample Donations for Research for HIV/AIDS-Related Cancers

NCT05663502
View directory record Official record
Conditions
Anal Carcinoma, Hematopoietic and Lymphoid Cell Neoplasm, HIV Infection, Kaposi Sarcoma, Lymphoma, Malignant Solid Neoplasm, Multicentric Castleman Disease, Plasmablastic Lymphoma, Recurrent Kaposi Sarcoma, Recurrent Lymphoma, Recurrent Plasmablastic Lymphoma, Transplant-Related Kaposi Sarcoma
Interventions
Biospecimen Collection
Procedure
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
8
States / cities
La Jolla, California • San Francisco, California • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exact CRC Screening Test: Stool Sample Collection Study to Support Assay Validation Testing

NCT01600209
View directory record Official record
Conditions
Colorectal Neoplasms, Digestive System Diseases, Colonic Diseases, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
50 Years to 84 Years
Enrollment
674 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
13
States / cities
Tucson, Arizona • Pomona, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational

Cellular and Molecular Characterization of the Immune Response in Healthy NIH Employees atBaseline, and After Immunization With the H1N1 or Seasonal Influenza Vaccines

NCT01191853
View directory record Official record
Conditions
Healthy Volunteers, Influenza
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 22, 2026, 4:26 AM EDT
Recruiting No phase listed Observational

Blood, Urine, and Tissue Collection for Cutaneous Lymphoma, Eczema, and Atopic Dermatitis Research

NCT00177268
View directory record Official record
Conditions
Cutaneous T-cell Lymphoma, Sezary Syndrome, Mycosis Fungoides, Eczema, Atopic Dermatitis
Interventions
Blood draw, skin biopsy or urine collection
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2032
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 22, 2026, 4:26 AM EDT
Recruiting No phase listed Observational

Sample Collection for Ongoing Research and Product Evaluation Study - Non-muscle Invasive Bladder Cancer (SCORE-NMIBC)

NCT07763197
View directory record Official record
Conditions
Non-Muscle Invasive Bladder Cancer, NMIBC, High-risk Non-Muscle Invasive Bladder Cancer
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational

Collecting and Storing Blood and Brain Tumor Tissue Samples From Children With Brain Tumors

NCT00919750
View directory record Official record
Conditions
Childhood Atypical Teratoid/Rhabdoid Tumor, Childhood Central Nervous System Germ Cell Tumor, Childhood Cerebral Anaplastic Astrocytoma, Childhood Cerebral Astrocytoma, Childhood Choroid Plexus Neoplasm, Childhood Craniopharyngioma, Childhood Grade I Meningioma, Childhood Grade II Meningioma, Childhood Grade III Meningioma, Childhood Infratentorial Ependymoma, Childhood Oligodendroglioma, Childhood Supratentorial Ependymoma, Ependymoma, Newly Diagnosed Childhood Ependymoma, Recurrent Childhood Cerebellar Astrocytoma, Recurrent Childhood Cerebral Astrocytoma, Recurrent Childhood Ependymoma, Recurrent Childhood Medulloblastoma, Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified, Recurrent Childhood Visual Pathway Glioma
Interventions
Cytology Specimen Collection Procedure
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 18 Years
Enrollment
1,258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
163
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 123 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Oct 22, 2026, 4:26 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Biorepository: Indiana Health Study

NCT00741416
View directory record Official record
Conditions
Coronary Artery Disease, Heart Disease, Healthy
Interventions
Not listed
Lead sponsor
Fairbanks Institute
Other
Eligibility
18 Years and older
Enrollment
1,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
14
States / cities
Avon, Indiana • Brownsburg, Indiana • Franklin, Indiana + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2011 · Synced Oct 22, 2026, 4:26 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Biological Sample Collection for Research and Biobanking

NCT04270604
View directory record Official record
Conditions
Parkinson Disease, Diabetes Mellitus, Type 1, Macular Degeneration, ALS, Cancer, Alzheimer Disease, Huntington Disease
Interventions
Biological sample collection
Other
Lead sponsor
New York Stem Cell Foundation Research Institute
Other
Eligibility
1 Month to 100 Years
Enrollment
1,279 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 2, 2024 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood Sample Collection in Subjects Participating in a Lung Cancer Screening Program

NCT03628638
View directory record Official record
Conditions
Healthy
Interventions
Blood Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
50 Years and older
Enrollment
1,718 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
31
States / cities
Birmingham, Alabama • Peoria, Arizona • Springdale, Arkansas + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Oct 22, 2026, 4:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing Remote Human Milk Collection as a Novel Technique for Transcriptome Sequencing

NCT07118852
View directory record Official record
Conditions
Human Milk
Interventions
Remote Human Milk Sample Collection
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational

JC-Virus (JCV) Antibody Program

NCT01070823
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Tysabri® (natalizumab)
Drug
Lead sponsor
Biogen
Industry
Eligibility
Not listed
Enrollment
1,096 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
11
States / cities
Aurora, Colorado • Atlanta, Georgia • Cullman, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Oct 22, 2026, 4:26 AM EDT
Withdrawn No phase listed Observational

Pathogenesis of BTK-mediated Hyper-Inflammatory Responses in COVID-19 (RESPOND)

NCT04394884
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
3
States / cities
Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Oct 22, 2026, 4:26 AM EDT
Terminated Not applicable Interventional Results available

Chemotherapy Before Surgery and Tissue Sample Collection in Patients With Stage IIA-IIIC Breast Cancer

NCT01897441
View directory record Official record
Conditions
Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
Cyclophosphamide, Cytology Specimen Collection Procedure, Doxorubicin Hydrochloride, Laboratory Biomarker Analysis, Paclitaxel, Trastuzumab, Endocrine therapy
Drug · Other · Biological
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Dec 24, 2024 · Synced Oct 22, 2026, 4:26 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Clinical Biospecimen Collection

NCT07543159
View directory record Official record
Conditions
Cancer Risk
Interventions
Not listed
Lead sponsor
North Shore Hematology Oncology Associates P.C dba New York Cancer and Blood Specialists
Other
Eligibility
18 Years and older
Enrollment
900,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2035
U.S. locations
1
States / cities
Shirley, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational

Collection of Specimens for Study of Inflammatory Bowel Disease

NCT00086554
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 22, 2026, 4:26 AM EDT
Completed No phase listed Observational

Collection of Tissue Blocks or Slides From Patients With Cancer

NCT02810405
View directory record Official record
Conditions
Tumor, Carcinogens, Neoplasm, Benign, Benign Neoplasms, Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 22, 2026, 4:26 AM EDT