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ClinicalTrials.gov public records Last synced Oct 22, 2026, 12:17 AM EDT

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

Showing 73–96 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sample Collection Clear all
Completed No phase listed Observational

Helicobacter Pylori Sample Collection Protocol Pre Therapy Subjects

NCT03060746
View directory record Official record
Conditions
Helicobacter Pylori Infection, Gastric Ulcer, Nausea, Abdominal Pain, Weight Loss, Stomach Ulcer, Loss of Appetite, Bloating
Interventions
Newly Diagnosed
Other
Lead sponsor
DiaSorin Inc.
Industry
Eligibility
22 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
11
States / cities
Mesa, Arizona • Mission Hills, California • Oxnard, California + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2021 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational

Carpal Tunnel/Amyloidosis Blood Sample Study

NCT02587728
View directory record Official record
Conditions
Carpal Tunnel Syndrome, Amyloidosis
Interventions
Not listed
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2021 · Synced Oct 22, 2026, 12:17 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

A Prospective Multicenter Sample Collection Study Using Non-invasive Methods to Investigate Mutation Burden in Non-lesional Facial Skin of Patients With a Hx of Skin Cancer

NCT05602337
View directory record Official record
Conditions
Melanoma and Other Malignant Neoplasms of Skin
Interventions
Observational Study Only
Other
Lead sponsor
DermTech
Other
Eligibility
18 Years to 70 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Oct 22, 2026, 12:17 AM EDT
Recruiting No phase listed Observational

Feasibility of HPV Testing With Mail-delivered Sample Collection Kits

NCT07087145
View directory record Official record
Conditions
HPV Infection, HIV Infections, HPV-Related Malignancy
Interventions
Mail-based Saliva Sample Kit, Study-related Surveys
Diagnostic Test · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
35 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 22, 2026, 12:17 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Comparing Specimen Collection Techniques to Screen for Sexually Transmitted Infections in Pregnant Women: A Pilot Study

NCT03877263
View directory record Official record
Conditions
Sexually Transmitted Diseases
Interventions
Endocervical swab for detection of STI, Vaginal swab for detection of STI
Diagnostic Test
Lead sponsor
OhioHealth
Other
Eligibility
16 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 5, 2021 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood and Stool Sample Collection in Subjects Participating in Colorectal Cancer Screening: Act Bold

NCT03821948
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years and older
Enrollment
5,131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
40
States / cities
Tempe, Arizona • Chula Vista, California • Huntington Beach, California + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational

Collection and Extraction of Respiratory Specimens

NCT01083511
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
QIAGEN Gaithersburg, Inc
Industry
Eligibility
Not listed
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
Tucson, Arizona • Chapel Hill, North Carolina • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 14, 2014 · Synced Oct 22, 2026, 12:17 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Whole Blood Specimen Collection From Healthy Subjects

NCT02797743
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Whole blood
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
Not listed
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
3
States / cities
Eunice, Louisiana • Voorhees Township, New Jersey • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 17, 2020 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational

Tissue Sample Collection From Patients With Fanconi Anemia

NCT00899522
View directory record Official record
Conditions
Fanconi Anemia, Unspecified Adult Solid Tumor, Protocol Specific, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
biologic sample preservation procedure, biopsy
Other · Procedure
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
1 Year to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational

Longitudinal Pharmacokinetic, Pharmacodynamic, Immunological, and Biochemical

NCT01330498
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
John F. Foley, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 6, 2012 · Synced Oct 22, 2026, 12:17 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Sample Collection Study to Assess Prevalence of Gene Mutations: Establishing Population Norms

NCT05079737
View directory record Official record
Conditions
Photoaging
Interventions
Mutation Burden
Other
Lead sponsor
DermTech
Other
Eligibility
21 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2021 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational

A Study Collecting Blood Samples From Pregnant Women to Aid in the Development of a Noninvasive Prenatal Test

NCT03620110
View directory record Official record
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
Illumina, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
2,209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
8
States / cities
Phoenix, Arizona • Hagerstown, Maryland • Greensboro, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2020 · Synced Oct 22, 2026, 12:17 AM EDT
Active, not recruiting No phase listed Observational

Clinical Information and Biospecimen Collection From Patients With Recurrent or Stage IV Breast Cancer

NCT03737695
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Carcinoma, Metastatic Breast Carcinoma, Peritoneal Effusion, Recurrent Breast Carcinoma
Interventions
Biospecimen Collection, Medical Chart Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
14
States / cities
Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational

Collecting and Storing Samples of Blood and Tumor Tissue From Patients With Osteosarcoma

NCT00899275
View directory record Official record
Conditions
Osteosarcoma
Interventions
Cytology Specimen Collection Procedure
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Not listed
Enrollment
957 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2023
U.S. locations
160
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 116 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Oct 22, 2026, 12:17 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

B2RAD Translational Medicine Study

NCT05292430
View directory record Official record
Conditions
Specimens Are to be Collected From Subjects Who Are Having or Have Had a Fluid or Tissue Removed, a Biopsy or a Blood or Bone Marrow Draw
Interventions
Specimen Collection
Other
Lead sponsor
Sohail Rao
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
2
States / cities
Edinburg, Texas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Oct 22, 2026, 12:17 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

UCLA Perinatal Biospecimen Repository

NCT05035160
View directory record Official record
Conditions
Pregnancy, High-Risk Pregnancy
Interventions
Not listed
Lead sponsor
Yalda Afshar, MD, PhD
Other
Eligibility
1 Minute and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Oct 22, 2026, 12:17 AM EDT
Recruiting No phase listed Observational

Large Algorithm Setting and Validation Study

NCT07607470
View directory record Official record
Conditions
Bacterial Infections, Bacterial Infections and Mycoses, Infections, Vaginitis, Vaginal Diseases, Genital Diseases, Female, Female Urogenital Diseases, Urogenital Disease, Candidiasis, Mycoses, Vulvovaginitis, Vulvar Diseases, Vaginosis, Bacterial
Interventions
Nanopath Vaginitis Assay, BD Max™ Vaginal Panel, Cepheid Xpert® Xpress MVP, Hologic Aptima® BV Assay, Yeast Culture
Diagnostic Test
Lead sponsor
Nanopath, Inc
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
North Miami, Florida • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational

Urine Sample Collection From FOP Patients

NCT02066324
View directory record Official record
Conditions
Fibrodysplasia Ossificans Progressiva
Interventions
Not listed
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
5 Years to 35 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2015 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

An Evaluation of a Multi-target Stool DNA (Mt-sDNA) Test, Cologuard, for CRC Screening in Individuals Aged 45-49 and at Average Risk for Development of Colorectal Cancer: Act Now

NCT03728348
View directory record Official record
Conditions
Colorectal Cancer
Interventions
mt-sDNA screening test, Colonoscopy
Diagnostic Test · Procedure
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
45 Years to 49 Years
Enrollment
983 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
39
States / cities
Phoenix, Arizona • Camarillo, California • Laguna Hills, California + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2021 · Synced Oct 22, 2026, 12:17 AM EDT
Completed Not applicable Interventional Results available

iNod System Human Feasibility Assessment

NCT02832284
View directory record Official record
Conditions
Solitary Pulmonary Nodule, Biopsy, Fine-Needle
Interventions
iNod System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
3
States / cities
Baltimore, Maryland • St Louis, Missouri • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Percutaneous Excision Trial

NCT00720642
View directory record Official record
Conditions
Imaged Breast Abnormalities
Interventions
Not listed
Lead sponsor
Intact Medical Corporation
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
24
States / cities
Little Rock, Arkansas • Indio, California • Long Beach, California + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2012 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neonatal Microbiome Validity Study

NCT02655250
View directory record Official record
Conditions
Gut Microbiome
Interventions
Microbiome
Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
Not listed
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Oct 22, 2026, 12:17 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prospective Collection of Female and Male Specimens for PANTHER® System Testing

NCT01638637
View directory record Official record
Conditions
Chlamydia Infections, Gonorrhea
Interventions
APTIMA Assays; PANTHER System
Device
Lead sponsor
Gen-Probe, Incorporated
Industry
Eligibility
16 Years and older
Enrollment
1,492 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2013 · Synced Oct 22, 2026, 12:17 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

A Urine Sample Collection Study in Apparently Healthy Adults and Adults With Chronic, Stable Morbidities

NCT05853016
View directory record Official record
Conditions
Healthy, Chronic Disease
Interventions
Urine collection for NEPHROCLEAR CCL14 Test
Diagnostic Test
Lead sponsor
Astute Medical, Inc.
Industry
Eligibility
21 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Gresham, Oregon
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Oct 22, 2026, 12:17 AM EDT