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ClinicalTrials.gov public records Last synced Oct 31, 2026, 4:20 AM EDT

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Showing 193–216 of 317 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Specimen sampling Clear all
Completed No phase listed Observational Accepts healthy volunteers

Non-invasive Prenatal Diagnostic Validation Study

NCT01574781
View directory record Official record
Conditions
Chromosome 13 Aneuploidy, Chromosome 18 Aneuploidy, Chromosome 21 Aneuploidy, Sex Chromosome Aberrations, Other Microdeletions
Interventions
Blood draw, Cheek swab/Saliva Sampling
Procedure
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,781 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2013 · Synced Oct 31, 2026, 4:20 AM EDT
Withdrawn Phase 2 Interventional

18F-mFBG Expression in Neural Crest Tumors and Organs Innervated by the Sympathetic Nervous System

NCT06233903
View directory record Official record
Conditions
Neuroblastoma, Pheochromocytoma, Paraganglioma
Interventions
18F-mFBG
Drug
Lead sponsor
Innervate Radiopharmaceuticals LLC (Formerly: Illumina Radiopharmaceuticals LLC)
Industry
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced Oct 31, 2026, 4:20 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Endothelial Dysfunction After SCI

NCT07227727
View directory record Official record
Conditions
Spinal Cord Injuries, Endothelial Dysfunction
Interventions
Intra-arterial Infusion of Vasoactive Agents, Intra-arterial Vitamin C Infusion, Blood Sampling
Procedure
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 31, 2026, 4:20 AM EDT
Active, not recruiting No phase listed Observational

Improving a Bayesian Model's Survival Estimates in Patients Needing Surgery for Bone Metastases

NCT01470105
View directory record Official record
Conditions
Bone Metastases
Interventions
blood sampling, the SF-36 questionnaire
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 31, 2026, 4:20 AM EDT
Active, not recruiting No phase listed Observational

Bio-Banking of Specimens for Advanced Lung Disease and Lung Transplant Research

NCT04664192
View directory record Official record
Conditions
Respiratory Failure, Interstitial Lung Disease, Lung Diseases
Interventions
Patient Biospecimen Registry (observational and blood sampling)
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 31, 2026, 4:20 AM EDT
Completed No phase listed Observational

Risk-Based Classification System of Patients With Newly Diagnosed Acute Lymphoblastic Leukemia

NCT01142427
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 30 Years
Enrollment
17,463 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
214
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 153 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Oct 31, 2026, 4:20 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Estrogen, Diet, Genetics and Endometrial Cancer

NCT00587886
View directory record Official record
Conditions
Cancer, Endometrial Cancer, Ovarian Cancer, Corpus Uteri, Endometrium
Interventions
Questionnaire
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years and older · Female only
Enrollment
1,315 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 31, 2026, 4:20 AM EDT
Completed No phase listed Observational Results available

Pre-Salpingo-Oophorectomy Pilot Study of MAKO 7 Device Performance

NCT02974842
View directory record Official record
Conditions
BRCA1 Mutation, BRCA2 Mutation, Atypia Suspicious for Malignancy
Interventions
MAKO 7
Device
Lead sponsor
nVision Medical
Industry
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
San Francisco, California • Walnut Creek, California • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2020 · Synced Oct 31, 2026, 4:20 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Hormonal Mechanisms of Sleep Restriction - Axis Study in Older Men and Postmenopausal Women

NCT04037605
View directory record Official record
Conditions
Sleep Restriction
Interventions
Ketoconazole Pill (also known as nizoral), Ganirelix, Dexamethasone Pill, Dexamethasone injection, Cosyntropin Injectable Product, Recombinant Human Luteinizing Hormone (also known as luveris), Hydrocortisone Injection (also known as solu-cortef), Gonadorelin (also known as Lutrepulse), Corticorelin (also known as Acthrel), Placebo oral tablet, Saline Solution, Saline solution for injection
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
60 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 31, 2026, 4:20 AM EDT
Completed No phase listed Observational

The Evaluation of Patients With Esophageal and Foregut Disorders With WATS (Wide Area Transepithelial Sample With 3-Dimensional Computer-Assisted Analysis) vs. 4-Quadrant Forceps Biopsy

NCT03859557
View directory record Official record
Conditions
GERD, Barrett Esophagus, Low Grade Esophageal Glandular Dysplasia, Esophageal Diseases
Interventions
Not listed
Lead sponsor
CDx Diagnostics
Industry
Eligibility
18 Years and older
Enrollment
1,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 1, 2019 · Synced Oct 31, 2026, 4:20 AM EDT
Completed No phase listed Observational

A Pharmacokinetic Analysis of Levetiracetam Prophylaxis in Critically Ill Patients With Severe Traumatic Brain Injury

NCT04836481
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Serum Sample Collection
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Oct 31, 2026, 4:20 AM EDT
Active, not recruiting No phase listed Observational

Exercise, Fitness and Tumor Profiling in Breast Cancer Patients

NCT03424915
View directory record Official record
Conditions
Breast Cancer
Interventions
Harvard Health Professionals survey, Blood draw, CPET Procedures, stool sample, Research Tissue sampling
Behavioral · Other · Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 80 Years · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 31, 2026, 4:20 AM EDT
Completed No phase listed Observational

Evaluation of Immunoassay Measurements of Pancreatic Stone Protein Performed on abioSCOPE® Device With the PSP Assay on ICU Patients at Risk of Sepsis as an Aid in Identifying Sepsis

NCT04105699
View directory record Official record
Conditions
Sepsis
Interventions
Blood sampling
Device
Lead sponsor
Abionic SA
Industry
Eligibility
18 Years and older
Enrollment
544 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
5
States / cities
Chicago, Illinois • Lexington, Kentucky • Toledo, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Oct 31, 2026, 4:20 AM EDT
Recruiting No phase listed Observational

Modeling Blood Management and Hemolytic Risk in Pediatric Heart Surgery

NCT06721455
View directory record Official record
Conditions
Heart Surgery, Blood Transfusion, Hemolysis
Interventions
blood sampling
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
0 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 31, 2026, 4:20 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 31, 2026, 4:20 AM EDT
Terminated No phase listed Observational

Intubated ICU Patients

NCT02171091
View directory record Official record
Conditions
Patients Requiring Endotracheal Intubation
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Oct 31, 2026, 4:20 AM EDT
Completed Not applicable Interventional

An Experimental Evaluation of Menthol-Flavored Tobacco Accessories

NCT07092501
View directory record Official record
Conditions
Cigarette, Smoking Behaviors, Cigarette Smoking Behavior
Interventions
Mentholated cigarette sampling, Hypothetical Policy Scenarios, Subjective value assessment
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 31, 2026, 4:20 AM EDT
Terminated No phase listed Observational

Volatiles in Exhaled Breath and Blood in Crohn's Disease: Validation Cohort

NCT02641171
View directory record Official record
Conditions
Crohn's Disease
Interventions
Specimen sampling
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 12, 2018 · Synced Oct 31, 2026, 4:20 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

PopSci CHW4CervixHealth

NCT07336134
View directory record Official record
Conditions
Cervical Cancer, Hpv, Human Papilloma Virus, HPV Infection
Interventions
Evalyn® Brush, Copan Floqswab, CHW4CervicalHealth
Device · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
25 Years to 65 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 31, 2026, 4:20 AM EDT
Completed Phase 1 Interventional

Safety Study of Nelfinavir + Cisplatin + Pelvic Radiation Therapy to Treat Cervical Cancer

NCT01485731
View directory record Official record
Conditions
Cervical Cancer
Interventions
Nelfinavir, Cisplatin, Pelvic External Beam Radiation Therapy, Brachytherapy, Pharmacokinetic Sampling, Cervical Biopsy, Pelvic Examination, Pap Smear, Audiogram, Proctoscopy, Cytoscopy, Renal Ultrasound, CT Scan, Whole Body PET/CT Scan
Drug · Radiation · Procedure
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 31, 2026, 4:20 AM EDT
Not listed Not applicable Interventional

Wide-Area Transepithelial Sampling in Endoscopic Eradication Therapy for Barrett's Esophagus

NCT05056051
View directory record Official record
Conditions
Barrett Esophagus, Esophageal Cancer
Interventions
WATS-3D tissue sampling prior to forceps biopsies, WATS-3D tissue sampling following forceps biopsies
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
4
States / cities
Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Oct 31, 2026, 4:20 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Human Papillomavirus (HPV) Self-Sampling Options to Promote Equity

NCT07214506
View directory record Official record
Conditions
Uterine Cervical Neoplasms, HPV Testing, Pap Smear
Interventions
Human papillomavirus Self-collection, Usual Care
Other
Lead sponsor
University of Arizona
Other
Eligibility
30 Years to 64 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 31, 2026, 4:20 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Study to Investigate Blood Samples Drawn With the HemoIV System

NCT06415058
View directory record Official record
Conditions
Measurement of Blood Parameter Equivalency
Interventions
HemoIV
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Oct 31, 2026, 4:20 AM EDT
Completed Not applicable Interventional

Arterial Versus Venous Activated Clotting Time (ACT) Measurements During Atrial Fibrillation Ablations

NCT04285840
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Venous ACT
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Oct 31, 2026, 4:20 AM EDT