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ClinicalTrials.gov public records Last synced Oct 22, 2026, 3:52 AM EDT

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

Showing 169–192 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sample Collection Clear all
Recruiting No phase listed Observational

Genomically Profiling, Collecting, Archiving and Distributing Hematologic Malignancy Specimens

NCT04968834
View directory record Official record
Conditions
Leukemia, Myelodysplastic Syndromes, Myeloproliferative Syndrome
Interventions
Genomic profiling
Genetic
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
Up to 30 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2033
U.S. locations
8
States / cities
Hartford, Connecticut • Portland, Maine • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Apheresis and Specimen Collection Procedures to Obtain Plasma, Peripheral Blood Mononuclear Cells (PBMCs) and Other Specimens for Research Studies

NCT00067054
View directory record Official record
Conditions
Sample Collection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years and older
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
2
States / cities
Bethesda, Maryland • Kirkland, Washington
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fertility in Healthy Premenopausal Women

NCT02772848
View directory record Official record
Conditions
Fertility
Interventions
Not listed
Lead sponsor
Fujirebio Diagnostics, Inc.
Industry
Eligibility
21 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Hialeah, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 10, 2016 · Synced Oct 22, 2026, 3:52 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Specimen and Data Collection in South Carolina Medicaid-Enrolled Patients With Type 2 Diabetes (T2D) and Metabolically Healthy Controls

NCT07731399
View directory record Official record
Conditions
Type 2 Diabetes, Healthy (Controls)
Interventions
Not applicable- observational study
Other
Lead sponsor
Guardian Research Network, Inc.
Other
Eligibility
40 Years to 70 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Orangeburg, South Carolina • Walhalla, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Recruiting No phase listed Observational

Collecting Medical Information and Tissue Samples From Patients With Pancreatic Cancer or Other Pancreatic Disorders

NCT00830557
View directory record Official record
Conditions
Islet Cell Tumor, Pancreatic Cancer, Pancreatic Disease, Acute Pancreatitis, Chronic Pancreatitis, Hereditary Pancreatitis, Pancreatic Neuroendocrine Carcinoma, Pancreatic Adenocarcinoma
Interventions
medical chart review, survey administration, biospecimen collection
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2027
U.S. locations
3
States / cities
Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Recruiting No phase listed Observational

Clinical Readiness Skin Punch Biopsy Sample Collections

NCT06588426
View directory record Official record
Conditions
Congenital Heart Disease (CHD), Congenital Heart Defect
Interventions
Not listed
Lead sponsor
HeartWorks, Inc.
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational

Blood Sample Collection in Subjects With Pulmonary Nodules or CT Suspicion of Lung Cancer or Pathologically Diagnosed Lung Cancer

NCT03633006
View directory record Official record
Conditions
Lung Cancer (Diagnosis)
Interventions
Blood Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
35 Years and older
Enrollment
3,298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
83
States / cities
Birmingham, Alabama • Peoria, Arizona • Newport Beach, California + 66 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Oct 22, 2026, 3:52 AM EDT
Terminated No phase listed Observational

Human Samples and Data Repository

NCT00539370
View directory record Official record
Conditions
Uveitis, Scleritis
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
1,862 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2022 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational

Blood and Saliva Sample Collection for AREDS 2

NCT01553474
View directory record Official record
Conditions
Age-Related Macular Degeneration, Eye Diseases
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
55 Years to 85 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood and Tissue Sample Collection for Future Colon Cancer Biomarker Studies in Patients Undergoing Colonoscopy

NCT00897403
View directory record Official record
Conditions
Colorectal Cancer, Health Status Unknown
Interventions
biologic sample preservation procedure, diagnostic colonoscopy
Other · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
25 Years to 75 Years
Enrollment
6,446 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2016
U.S. locations
4
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Collection of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers for Center for Human Immunology, Autoimmunity, and Inflammatory Diseases (CHI) Laboratory Research Studies

NCT00995891
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
8 Years and older
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 5, 2019 · Synced Oct 22, 2026, 3:52 AM EDT
Terminated No phase listed Observational

Whole Blood Biospecimen Collection for Subjects With Chronic Granulomatous Disease (CGD)

NCT05915897
View directory record Official record
Conditions
Chronic Granulomatous Disease
Interventions
Specimen Donation
Diagnostic Test
Lead sponsor
Sanguine Biosciences
Industry
Eligibility
18 Years to 85 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Woburn, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Oct 22, 2026, 3:52 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Blood From Patients With Cancer

NCT00034216
View directory record Official record
Conditions
Prostate Cancer, Breast Cancer, Colon Cancer, Lung Cancer, Liver Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
1,750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Recruiting No phase listed Observational

Busulfan Sample Collection Study

NCT05711732
View directory record Official record
Conditions
Subjects Treated With Busulfan
Interventions
MyCare Oncology Busulfan Assay Kit
Diagnostic Test
Lead sponsor
Saladax Biomedical, Inc.
Industry
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
3
States / cities
Chicago, Illinois • New Brunswick, New Jersey • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Prospective Collection of Peripheral Blood and Urine Specimens to Study C-peptide and Insulin in Healthy Individuals

NCT02614170
View directory record Official record
Conditions
Diabetes
Interventions
Prospective Blood Draw
Other
Lead sponsor
Fujirebio Diagnostics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
328 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Gulf Shores, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 10, 2016 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Thebaine Urine Testing

NCT07192887
View directory record Official record
Conditions
Urine Specimen Collection
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Airway, Blood and/or Urine Specimens From Subjects for Research Studies

NCT01776398
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD), Smoking, Smoking Cessation, Idiopathic Pulmonary Fibrosis (IPF), Rheumatoid Arthritis-Associated Interstitial Lung Disease, Scleroderma-Associated Interstitial Lung Disease (SSC-ILD)
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 22, 2026, 3:52 AM EDT
Completed Not applicable Interventional Results available

Patient-Derived Organoids for Rectal Cancer

NCT04371198
View directory record Official record
Conditions
Rectum Cancer
Interventions
Biopsy
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

NYC Heart Follow-Up Study 2010

NCT01889589
View directory record Official record
Conditions
Sodium
Interventions
Surveillance
Other
Lead sponsor
New York City Department of Health and Mental Hygiene
Government
Eligibility
18 Years and older
Enrollment
1,775 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 28, 2013 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational

Blood Sample Collection to Evaluate Biomarkers in Subjects With Untreated Solid Tumors

NCT03662204
View directory record Official record
Conditions
Breast Cancer, Lung Cancer, Colorectal Cancer, Prostate Cancer, Bladder Cancer, Uterine Cancer, Kidney Cancer, Renal Pelvis Cancer, Pancreatic Cancer, Liver Cancer, Stomach Cancer, Ovarian Cancer, Esophageal Cancer
Interventions
Blood Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
5,133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
119
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 106 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Oct 22, 2026, 3:52 AM EDT
Completed No phase listed Observational

Sample Collections From the Airways of Asthmatic Patients

NCT00001888
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
574 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Terminated No phase listed Observational

Stool Sample Collection Protocol for Development of Screening Test for Colorectal Cancer and Other Digestive Tract Cancers

NCT02503631
View directory record Official record
Conditions
Colorectal Neoplasms, Digestive System Diseases, Colonic Diseases, Colorectal Cancer
Interventions
Stool Sample Collection Kit
Device
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years to 90 Years
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
21
States / cities
Newport Beach, California • Hamden, Connecticut • Holiday, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 22, 2026, 3:52 AM EDT
Recruiting No phase listed Observational

Specimen Collections From Participants With HIV Infection, KSHV Infection, Viral-Related Pre-malignant Lesions and Cancer

NCT00006518
View directory record Official record
Conditions
HIV, Kaposi's Sarcoma, Lymphomas, Multicentric Castleman's Disease, Primary Effusion Lymphoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
1,029 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 3:52 AM EDT
Terminated Not applicable Interventional Results available

Gene Expression Levels in Predicting Treatment Response in Patients With Stage IV Non-small Cell Lung Cancer

NCT02145078
View directory record Official record
Conditions
Recurrent Non-small Cell Lung Cancer, Stage IV Non-small Cell Lung Cancer
Interventions
docetaxel, pemetrexed disodium, gemcitabine hydrochloride, laboratory biomarker analysis
Drug · Other
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Oct 22, 2026, 3:52 AM EDT