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ClinicalTrials.gov public records Last synced Oct 22, 2026, 1:24 AM EDT

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Showing 97–120 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sample Collection Clear all
Active, not recruiting Not applicable Interventional

Comparison of Nasopharyngeal Swab v. Nasopharyngeal Saline Wash or Saliva Collection in Testing for Respiratory Viruses

NCT05864118
View directory record Official record
Conditions
Respiratory Tract Infections
Interventions
Respiratory pathogen panel PCR test, COVID-19 antibody test
Diagnostic Test
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Completed Not applicable Interventional Results available

Zenyth: Motivational Interviewing-based Telehealth Intervention for Bacterial Sexually Transmitted Infection Screening

NCT06100250
View directory record Official record
Conditions
Sexually Transmitted Diseases, Gonorrhea, Chlamydia, Syphilis, HIV
Interventions
Motivational interviewing and specimen self-collection
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Oct 22, 2026, 1:24 AM EDT
Completed No phase listed Observational

Surgical Sample Collection- Sampling During Uterine Surgery

NCT06460818
View directory record Official record
Conditions
Women's Health
Interventions
Not listed
Lead sponsor
PinkDx, Inc.
Industry
Eligibility
18 Years to 99 Years · Female only
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
3
States / cities
Rochester, Minnesota • New York, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Oct 22, 2026, 1:24 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Usability Study of the Focus Touch™ Conception System: Semen Collection

NCT01585012
View directory record Official record
Conditions
Infertility
Interventions
Cervical cap (Focus Touch™ Conception System)
Device
Lead sponsor
Rinovum Women's Health, Inc.
Industry
Eligibility
20 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Monroeville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Oct 22, 2026, 1:24 AM EDT
Completed No phase listed Observational

Sample Collection Study to Evaluate DNA Markers in Subjects With Inflammatory Bowel Disease (IBD)

NCT02503696
View directory record Official record
Conditions
Inflammatory Bowel Disease, Colorectal Neoplasms, Digestive System Diseases, Colonic Diseases, Colorectal Cancer
Interventions
Stool Collection Kit
Device
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years to 84 Years
Enrollment
697 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
27
States / cities
Dothan, Alabama • La Jolla, California • Mission Hills, California + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2016 · Synced Oct 22, 2026, 1:24 AM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Protocol to Validate the Performance of the LifeKit® Prevent Colorectal Neoplasia Test for CRC Screening

NCT04693546
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Adenoma
Interventions
LifeKit Prevent Colorectal Neoplasia Test, FIT Test
Diagnostic Test
Lead sponsor
Metabiomics Corp
Industry
Eligibility
40 Years and older
Enrollment
12,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Sep 26, 2025 · Synced Oct 22, 2026, 1:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Biological Sample Collection Protocol of Women With and Without Breast Cancer

NCT00472589
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Hoosier Cancer Research Network
Other
Eligibility
18 Years and older · Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
11
States / cities
Galesburg, Illinois • Bloomington, Indiana • Evansville, Indiana + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2016 · Synced Oct 22, 2026, 1:24 AM EDT
Recruiting No phase listed Observational

Collection of Clinical Data and Specimens for Research in Hearing, Balance, Taste, Smell, Voice, Speech, and Language Disorders.

NCT05670496
View directory record Official record
Conditions
Hearing Loss, Deafness
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
2 Years to 99 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Recruiting No phase listed Observational

Collection of Specimens and Clinical Data for Patients With Recurrent or Metastatic Breast Cancer or Male Breast Cancer

NCT06217874
View directory record Official record
Conditions
Breast Carcinoma, Metastatic Breast Carcinoma, Recurrent Breast Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2034
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Recruiting No phase listed Observational

Biospecimen Procurement for Head and Neck Disorders

NCT03429036
View directory record Official record
Conditions
Hearing Disorder, Oral Mucosal Disease, Pharyngeal Neoplasm, Head and Neck Neoplasms, Laryngeal Disease
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
3 Years to 120 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2029
U.S. locations
9
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Collection of Blood Specimens for Circulating Tumor Cell Analysis

NCT01943500
View directory record Official record
Conditions
Breast Cancer, Prostate Cancer, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Viatar LLC
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Lawrence, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Oct 22, 2026, 1:24 AM EDT
Recruiting No phase listed Observational

Sample Collection for Ongoing Research and Product Evaluation Study - Non-Hodgkin Lymphoma (SCORE-NHL)

NCT07750886
View directory record Official record
Conditions
Non-Hodgkin Lymphoma, T-Cell Lymphoma, Diffuse Large B-Cell Lymphoma, High-Grade B-Cell Lymphoma, Primary Mediastinal B-Cell Lymphoma, Peripheral T-Cell Lymphoma, Transformed Follicular Lymphoma, Follicular Lymphoma Grade 3B, Follicular Lymphoma, Anaplastic Large Cell Lymphoma
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 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 6, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Immunity Assessment

NCT05080231
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
DxTerity Diagnostics
Industry
Eligibility
13 Years and older
Enrollment
662 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Compton, California
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 22, 2026, 1:24 AM EDT
Suspended No phase listed Observational

Biospecimen Collection in Identifying Genetic Changes in Patients With Breast, Prostate, Colorectal, Liver, or Kidney Cancer or Multiple Myeloma Undergoing Surgery

NCT04955808
View directory record Official record
Conditions
Breast Carcinoma, Colon Carcinoma, Invasive Carcinoma, Kidney Carcinoma, Liver Carcinoma, Malignant Solid Neoplasm, Multiple Myeloma, Prostate Carcinoma
Interventions
Biospecimen Collection, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
2,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Recruiting No phase listed Observational

Biospecimen Collection to Identify Gene Mutations for High Risk Pancreatic Cancer in Pediatric Patients, INSPPIRE 2 Study

NCT06651580
View directory record Official record
Conditions
Chronic Pancreatitis, Exocrine Pancreas Carcinoma, Recurrent Acute Pancreatitis
Interventions
Biospecimen Collection, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Up to 17 Years
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
22
States / cities
Los Angeles, California • Oakland, California • Palo Alto, California + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Association of Macular Pigment Optical Density (MPOD) and Genetic Variants in Complement Factor H in Subjects With Choroidal Neovascular (CNV)

NCT01682382
View directory record Official record
Conditions
Age-related Macular Degeneration, Choroidal Neovascular Age-related Macular Degeneration
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
60 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Encinitas, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2014 · Synced Oct 22, 2026, 1:24 AM EDT
Completed No phase listed Observational

Development of a Next Generation Sequencing (NGS) -Based Assay to Detect Preeclampsia Molecular Markers

NCT02808494
View directory record Official record
Conditions
Preeclampsia
Interventions
Not listed
Lead sponsor
Illumina, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
10
States / cities
Newark, Delaware • Boston, Massachusetts • New Brunswick, New Jersey + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2022 · Synced Oct 22, 2026, 1:24 AM EDT
Active, not recruiting Early Phase 1 Interventional

Multi-modality Imaging and Collection of Biospecimen Samples in Understanding Bone Marrow Changes in Patients With Acute Myeloid Leukemia Undergoing TBI and Chemotherapy

NCT03422731
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia
Interventions
Biospecimen Collection, Dual-Energy Computed Tomography, Fluorothymidine F-18, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Positron Emission Tomography
Procedure · Drug · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Completed No phase listed Observational

Fecal Calprotectin Collection Protocol

NCT03143517
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Irritable Bowel Syndrome, Ulcerative Colitis, Crohn Disease, Indeterminate Colitis, Chronic Diarrhea, Celiac Disease, Diverticulitis, Abdominal Pain, Distension, Weight Loss, Food Intolerance, Constipation
Interventions
Stool collection
Diagnostic Test
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
4 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
13
States / cities
Dothan, Alabama • Little Rock, Arkansas • Mission Hills, California + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Oct 22, 2026, 1:24 AM EDT
Not listed No phase listed Observational

Breast Cancer Biomarker Sample Collection for the dtectDx Assay Verification

NCT01839045
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Provista Diagnostics, Inc
Industry
Eligibility
25 Years to 49 Years · Female only
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
8
States / cities
Phoenix, Arizona • Sacramento, California • San Diego, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2014 · Synced Oct 22, 2026, 1:24 AM EDT
Recruiting No phase listed Observational

Biospecimen and Medical Data Collection and Tumor Biopsy in Creating Research Tissue Registry in Patients With Inflammatory or Invasive Breast Cancer

NCT00477100
View directory record Official record
Conditions
Inflammatory Breast Carcinoma, Invasive Breast Carcinoma, Second Primary Malignant Neoplasm
Interventions
Biospecimen Collection, Interview, Medical Chart Review, Questionnaire Administration
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2030
U.S. locations
10
States / cities
Gilbert, Arizona • La Jolla, California • Greeley, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Sample Collection From Healthy Volunteers for Assay Optimization

NCT03538600
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 80 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2043
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 22, 2026, 1:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of Blood From Men Receiving Oral TU in Various Collection Tubes

NCT03973840
View directory record Official record
Conditions
Hypogonadism, Male
Interventions
Testosterone Undecanoate
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Northbrook, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Oct 22, 2026, 1:24 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Blood Donation Study for ALPCO Syphilis-T and Syphilis-NT Assay Development

NCT07830550
View directory record Official record
Conditions
Healthy Volunteers, Syphilis Serologic Assay Development, Blood Specimen Collection, Diagnostic Assay Development, Serum Specimen Collection
Interventions
ALPCO Syphilis-T, ALPCO Syphilis-NT CLIA Kits
Device
Lead sponsor
American Laboratory Products Company
Industry
Eligibility
22 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Salem, New Hampshire
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 22, 2026, 1:24 AM EDT