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ClinicalTrials.gov public records Last synced Oct 22, 2026, 3:15 AM EDT

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

Showing 145–168 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sample Collection Clear all
Completed No phase listed Observational

Residual Sample Collection for Respiratory Viral Panel

NCT02049918
View directory record Official record
Conditions
Respiratory Viral Illnesses: Influenza A/B, RSV, Adenovirus
Interventions
Not listed
Lead sponsor
GenMark Diagnostics
Industry
Eligibility
Not listed
Enrollment
1,487 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 28, 2015 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational

S9925: Collecting and Storing Samples From Patients With Lung Cancer

NCT00920010
View directory record Official record
Conditions
Lung Cancer
Interventions
biologic sample preservation procedure
Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
Not listed
Enrollment
2,264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2013
U.S. locations
431
States / cities
Mobile, Alabama • Anchorage, Alaska • Tucson, Arizona + 283 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2015 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational

Stool Collection Sub-Study of Exact Sciences Protocol 2018-01

NCT04473625
View directory record Official record
Conditions
Colorectal Cancer, Colo-rectal Cancer, Cancer
Interventions
Stool Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
12
States / cities
Tucson, Arizona • Hot Springs, Arkansas • Little Rock, Arkansas + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Oct 22, 2026, 3:15 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

A Biospecimen Collection Study of Leukapheresis-Derived Circulating Tumor Cells, Immune Cells, and Progenitor Cells.

NCT00571389
View directory record Official record
Conditions
Solid Tumor, Adult, Healthy Donors, COVID-19 Donors
Interventions
Not listed
Lead sponsor
BioCytics, Inc.
Industry
Eligibility
5 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2030
U.S. locations
1
States / cities
Huntersville, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Enrolling by invitation No phase listed Observational

Brain Tissue Specimen Collection

NCT00593203
View directory record Official record
Conditions
Brain Diseases
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Not listed
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2035
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational

Collecting and Storing Malignant, Borderline Malignant Neoplasms, and Related Samples From Young Patients With Cancer

NCT00898079
View directory record Official record
Conditions
Acute Undifferentiated Leukemia, Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative, Childhood Acute Lymphoblastic Leukemia, Childhood Acute Myeloid Leukemia, Childhood Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Childhood Solid Neoplasm, Chronic Lymphocytic Leukemia, Hairy Cell Leukemia, Juvenile Myelomonocytic Leukemia, Mast Cell Leukemia, Neoplasm of Uncertain Malignant Potential, Prolymphocytic Leukemia, Secondary Acute Myeloid Leukemia, T-Cell Large Granular Lymphocyte Leukemia
Interventions
Cytology Specimen Collection Procedure
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 30 Years
Enrollment
2,545 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
175
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 132 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2018 · Synced Oct 22, 2026, 3:15 AM EDT
Terminated No phase listed Observational

A Biospecimen Collection Study in BRAF-V600E Mutated Recurrent Gliomas

NCT03593993
View directory record Official record
Conditions
Glioma, BRAF V600E, Pleomorphic Xantho-Astrocytoma, Glioblastoma
Interventions
Surgical Cohort
Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
6 Weeks and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
5
States / cities
Baltimore, Maryland • Boston, Massachusetts • Winston-Salem, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2023 · Synced Oct 22, 2026, 3:15 AM EDT
Not listed No phase listed Observational

Tear Based Sample Collection Breast Cancer Detection

NCT04974567
View directory record Official record
Conditions
Breast Cancer, Tear, Breast Cancer Female
Interventions
Schirmer Strip
Other
Lead sponsor
Namida Lab
Industry
Eligibility
18 Years to 100 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Oct 22, 2026, 3:15 AM EDT
Recruiting No phase listed Observational

Collection of Tissue Samples for Cancer Research

NCT00900198
View directory record Official record
Conditions
Neoplasms, Lymphomas, Multiple Myeloma, Myelodysplastic Syndrome
Interventions
Biopsy
Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
2 Months and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
16
States / cities
Sacramento, California • Aurora, Colorado • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

ForeCYTE Breast Aspirator for Sample Collection and Cytological Testing of Nipple Aspirate Fluid

NCT02218385
View directory record Official record
Conditions
Breast Neoplasms
Interventions
ForeCYTE Breast Aspirator
Device
Lead sponsor
Atossa Therapeutics, Inc.
Industry
Eligibility
20 Years to 75 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2016 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational

Detecting Infections Rapidly and Easily for Candidemia Trial - Part 2 (direcT2 Study)

NCT01752166
View directory record Official record
Conditions
Candidemia
Interventions
Not listed
Lead sponsor
T2 Biosystems
Industry
Eligibility
18 Years to 95 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
8
States / cities
Birmingham, Alabama • Augusta, Georgia • Detroit, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated May 26, 2014 · Synced Oct 22, 2026, 3:15 AM EDT
Not listed No phase listed Observational

Clinical Specimen Collection From Pompe Disease Patients

NCT04476550
View directory record Official record
Conditions
Pompe Disease
Interventions
Filgrastim
Drug
Lead sponsor
Serhat Gumrukcu, MD PhD
Other
Eligibility
3 Years to 30 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Toluca Lake, California
Source: ClinicalTrials.gov public record
Updated May 19, 2022 · Synced Oct 22, 2026, 3:15 AM EDT
Recruiting No phase listed Observational

Prospective Breast Cancer Biospecimen Collection

NCT04074720
View directory record Official record
Conditions
Breast Cancer, Invasive Breast Cancer, Carcinoma in Situ of the Breast
Interventions
Tissue Sample collection, Blood Sample Collection, Rectal Swab
Procedure · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Oct 22, 2026, 3:15 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

This Study Evaluates the ALPCO Syphilis-T and Syphilis-NT CLIA Kits for Detecting Syphilis Antibodies in Serum and Plasma. Samples From At-risk, HIV-positive, Pregnant, and Healthy Individuals Will Assess Assay Performance Versus Established Comparator Tests.

NCT07089836
View directory record Official record
Conditions
Treponema Pallidum, Treponema Pallidum Infection, Syphilis Infection, Serum, Plasma, Blooddraw, Sexually Transmitted Infection (STI)
Interventions
ALPCO Syphilis-T, ALPCO Syphilis-NT CLIA Kits
Device
Lead sponsor
American Laboratory Products Company
Industry
Eligibility
13 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
6
States / cities
Lancaster, California • Los Angeles, California • North Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Recruiting Phase 2 Interventional

Aquamin® for Prevention of Ulcerative Colitis J-Pouch-associate Intestinal Inflammation

NCT07501078
View directory record Official record
Conditions
Ulcerative Colitis, Ileal Pouch
Interventions
Aquamin, Placebo
Drug
Lead sponsor
Muhammad N Aslam, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Normal Donor Sample Collection Study in Healthy Adults

NCT01318863
View directory record Official record
Conditions
Healthy Normal Volunteers
Interventions
Not listed
Lead sponsor
Astute Medical, Inc.
Industry
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
6
States / cities
Santa Ana, California • Las Vegas, Nevada • Rochester, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2011 · Synced Oct 22, 2026, 3:15 AM EDT
Recruiting No phase listed Observational

A Biorepository of Multiple Allergic Diseases (MADREP) With Longitudinal Follow-Up

NCT06732414
View directory record Official record
Conditions
Allergy, Sinus Disorders, Atopic Diseases, Asthma, Allergic Rhinitis, Atopic Dermatitis, EoE, Drug a
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 100 Years
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2045
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational

Longitudinal Analysis And Sample Collection To Evaluate PML Risk Host Markers for PML Risk Host Markers for PML Risk

NCT02440126
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Rocky Mountain MS Research Group, LLC
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Oct 22, 2026, 3:15 AM EDT
Recruiting No phase listed Observational

Specimen Collection From Patients With Non-Hematologic Cancer for Use in Development of a Liquid Biopsy Assay

NCT02586389
View directory record Official record
Conditions
Non-hematologic Cancer
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Boise, Idaho
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Suspended No phase listed Observational

Urine Sample Collection for Validation of the AnchorDx UriFind™ Bladder Cancer Assay

NCT05643690
View directory record Official record
Conditions
Bladder Cancer
Interventions
UriFind Bladder Cancer Assay
Diagnostic Test
Lead sponsor
AnchorDx Medical Co. Ltd. US
Industry
Eligibility
55 Years to 100 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Little Rock, Arkansas • Meridian, Idaho
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational

Studying Pathways of Resistance in KRAS-driven Cancers

NCT05272423
View directory record Official record
Conditions
KRAS P.G12C
Interventions
FoundationOne® Liquid CDx
Diagnostic Test
Lead sponsor
Addario Lung Cancer Medical Institute
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Recruiting No phase listed Observational

Specimen Collection for Validation of UroAmp: A Next Generation Sequencing Platform for Detection and Surveillance of Bladder Cancer

NCT07673016
View directory record Official record
Conditions
Bladder Cancer, Urothelial Carcinoma (UC), Hematuria, Upper Tract Urothelial Cancer
Interventions
Not listed
Lead sponsor
Convergent Genomics, Inc.
Network
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2034
U.S. locations
21
States / cities
Oceanside, California • San Diego, California • San Jose, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational

C.Difficile Observational Study

NCT06277999
View directory record Official record
Conditions
Clostridium Infections
Interventions
Not listed
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
7
States / cities
Sacramento, California • Hamden, Connecticut • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 22, 2026, 3:15 AM EDT
Completed No phase listed Observational

Evaluation of the Quality of Self-collected Blood Spot Specimens for Laboratory HIV Testing - An InvolveMENt Sub Study

NCT02043041
View directory record Official record
Conditions
HIV
Interventions
Number of DBS Spots
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 25, 2015 · Synced Oct 22, 2026, 3:15 AM EDT