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ClinicalTrials.gov public records Last synced Oct 31, 2026, 8:03 AM EDT

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Showing 457–480 of 872 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Sampling Clear all
Terminated No phase listed Observational

Collecting, Analyzing, and Storing Samples From Patients With Metastatic, Triple Negative Breast Cancer Receiving Anti-cancer Therapy

NCT01957514
View directory record Official record
Conditions
Estrogen Receptor Negative, HER2/Neu Negative, Progesterone Receptor Negative, Stage IV Breast Cancer AJCC v6 and v7, Triple-Negative Breast Carcinoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Seattle, Washington • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Sep 30, 2021 · Synced Oct 31, 2026, 8:03 AM EDT
Recruiting No phase listed Observational

Biomarkers and Clinical Features of Metastatic Breast Cancer in Patients Treated With CDK4/6 Inhibitors

NCT04526587
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Cytology Specimen Collection Procedure, Diagnostic Laboratory Biomarker Analysis, Medical Chart Review
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2035
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Oct 31, 2026, 8:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Oral Microbiome and Upper Aerodigestive Squamous Cell Cancer

NCT03304132
View directory record Official record
Conditions
Oral Cancer
Interventions
Classification of Oral Microbiome Using 16S rRNA gene sequence-based approach, Classification of Oral Microbiome Using taxonomic approach
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
40 Years to 92 Years
Enrollment
560 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 9, 2017 · Synced Oct 31, 2026, 8:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Acute Effects of Watermelon on Vascular Function and Serum Lycopene

NCT03608254
View directory record Official record
Conditions
Vascular Health of Postmenopausal Women
Interventions
100% watermelon juice
Other
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
65 Years to 70 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Oct 31, 2026, 8:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Expression of IFN-epsilon in the Female Reproductive Tract

NCT02416154
View directory record Official record
Conditions
Interferon Expression in the Female Reproductive Tract
Interventions
Reproductive tract and blood sampling
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 27, 2021 · Synced Oct 31, 2026, 8:03 AM EDT
Enrolling by invitation Phase 4 Interventional

Nanozymes in Endodontics

NCT07518901
View directory record Official record
Conditions
Apical Periodontitis, Endodontic Disease, Root Canal Infection
Interventions
Nanozyme treatment, Control (Standard treatment)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 31, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Satiety of High-Protein Ramen Noodles

NCT05725681
View directory record Official record
Conditions
Appetitive Behavior
Interventions
High protein ramen, Standard ramen
Other
Lead sponsor
Texas Tech University
Other
Eligibility
25 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Oct 31, 2026, 8:03 AM EDT
Completed No phase listed Observational Results available

Piloting a Virtual Navigation (VN) System for Bronchoscopic Lung Nodule Sampling

NCT05599321
View directory record Official record
Conditions
Lung Cancer
Interventions
Virtual Navigation System
Diagnostic Test
Lead sponsor
Penn State University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 31, 2026, 8:03 AM EDT
Completed Not applicable Interventional

Association of FGF-23 and Parathyroid Hormone (PTH) in Dialysis Patients

NCT00477516
View directory record Official record
Conditions
End-Stage Renal Disease
Interventions
exposure to a high-calcium dialysate bath
Procedure
Lead sponsor
James B. Wetmore, MD
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2012 · Synced Oct 31, 2026, 8:03 AM EDT
Completed Not applicable Interventional Results available

HPV Self-Sampling in Somali Women (Isbaar Project)

NCT05453006
View directory record Official record
Conditions
Cervical Cancer, Papillomavirus Infection, Uterine Diseases, Uterine Cervical Disease
Interventions
COPAN 552c.80 FLOQSwab
Device
Lead sponsor
University of Minnesota
Other
Eligibility
30 Years to 65 Years · Female only
Enrollment
3,367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Oct 31, 2026, 8:03 AM EDT
Terminated Not applicable Interventional

Procedural Outcomes in Endobronchial Ultrasound - Transbronchial Needle Aspiration (EBUS-TBNA) With and Without Rapid On-Site Evaluation (ROSE)

NCT02028052
View directory record Official record
Conditions
ENDOBRONCHIAL ULTRASOUND - TRANSBRONCHIAL NEEDLE ASPIRATION, Benign and Malignant Mediastinal and Hilar Lymph Nodes Known or Suspected Malignancy
Interventions
ROSE, 22 gauge Vizishot needles
Procedure · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Oct 31, 2026, 8:03 AM EDT
Withdrawn No phase listed Observational

Molecular Signatures of Relapse in Tissue Samples From Patients With Small Cell Lung Cancer Who Are Receiving Cisplatin and Etoposide

NCT02250404
View directory record Official record
Conditions
Small Cell Lung Cancer
Interventions
cytology specimen collection procedure, laboratory biomarker analysis
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 25, 2018 · Synced Oct 31, 2026, 8:03 AM EDT
Not listed No phase listed Observational

Characterization of Human Cancers by Molecular Profiling of Patient Biospecimens

NCT02749838
View directory record Official record
Conditions
Cancer
Interventions
Not listed
Lead sponsor
Pharmatech
Industry
Eligibility
18 Years and older
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 25, 2016 · Synced Oct 31, 2026, 8:03 AM EDT
Active, not recruiting Not applicable Interventional

Genetic Testing in Screening Patients With Stage IB-IIIA Non-small Cell Lung Cancer That Has Been or Will Be Removed by Surgery (The ALCHEMIST Screening Trial)

NCT02194738
View directory record Official record
Conditions
Stage IB Lung Non-Small Cell Carcinoma AJCC v7, Stage II Lung Non-Small Cell Cancer AJCC v7, Stage IIA Lung Cancer AJCC v8, Stage IIB Lung Cancer AJCC v8, Stage IIIA Lung Cancer AJCC v8, Stage IIIA Lung Non-Small Cell Cancer AJCC v7, Stage IIIB Lung Cancer AJCC v8
Interventions
Biospecimen Collection, Carboplatin, Cisplatin, Clinical Observation, Computed Tomography, Crizotinib, Cytology Specimen Collection Procedure, Echocardiography Test, Erlotinib, Gemcitabine Hydrochloride, Nivolumab, Paclitaxel, Pembrolizumab, Pemetrexed, Pemetrexed Disodium, Placebo Administration, Positron Emission Tomography
Procedure · Drug · Other + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
7,458 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1655
States / cities
Birmingham, Alabama • Daphne, Alabama • Mobile, Alabama + 1013 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 31, 2026, 8:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pharmacogenetics Sampling of the CC-90007-CP-003 Study Cohort

NCT04097704
View directory record Official record
Conditions
Hepatic Insufficiency
Interventions
Not listed
Lead sponsor
Celgene
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
3
States / cities
Miami, Florida • Orlando, Florida • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 21, 2020 · Synced Oct 31, 2026, 8:03 AM EDT
Completed Phase 3 Interventional Results available

Ketorolac in Postoperative Infants: Pharmacokinetics and Safety

NCT01260883
View directory record Official record
Conditions
Postoperative Pain in Infants
Interventions
Ketorolac Tromethamine 1 mg/kg, Ketorolac Tromethamine 0.5 mg/kg, Placebo
Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
2 Months to 18 Months
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 13, 2013 · Synced Oct 31, 2026, 8:03 AM EDT
Not listed Not applicable Interventional

CA-IX, p16, Proliferative Markers, and HPV in Diagnosing Cervical Lesions in Patients With Abnormal Cervical Cells

NCT00892866
View directory record Official record
Conditions
Atypical Endometrial Hyperplasia, Human Papillomavirus Infection, Stage 0 Cervical Cancer AJCC v7
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Other
Lead sponsor
GOG Foundation
Network
Eligibility
18 Years and older · Female only
Enrollment
877 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2025
U.S. locations
135
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 100 more
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Oct 31, 2026, 8:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin B6 Dependence of One-Carbon Metabolism

NCT00877812
View directory record Official record
Conditions
Vitamin B6 Deficiency
Interventions
Arm 1 glycine and leucine, Arm 2 Intervention of Serine and methionine infusion
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
20 Years to 40 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 27, 2013 · Synced Oct 31, 2026, 8:03 AM EDT
Recruiting Not applicable Interventional

MCC-24-GYN-11: Comparison of Nodal Sampling in Endometrial Cancer

NCT06677112
View directory record Official record
Conditions
Endometrial Cancer
Interventions
Selective surgical staging, REFLEX
Procedure
Lead sponsor
Rachel Miller
Other
Eligibility
18 Years and older · Female only
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Oct 31, 2026, 8:03 AM EDT
Completed Not applicable Interventional

Evaluation of Cessation Preferences of Menthol Smoker

NCT02020005
View directory record Official record
Conditions
Smoking Cessation
Interventions
Non-flavored 2mg nicotine gum, Non-flavored 4mg nicotine gum, Mint-flavored 2mg nicotine gum, Mint-flavored 4mg nicotine gum, Non-flavored nicotine inhaler, Mint-flavored nicotine ihaler
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 3, 2025 · Synced Oct 31, 2026, 8:03 AM EDT
Active, not recruiting Phase 1 Interventional Results available

Abemaciclib Neuropharmacokinetics of Diffuse Midline Glioma Using Intratumoral Microdialysis

NCT05413304
View directory record Official record
Conditions
Glioma
Interventions
Pre-operative abemaciclib, Device for Cerebral Fluid Dialysate Collection, Ashion Analytics GEM ExTra, abemaciclib + temozolomide, Temozolomide, Brain MRI, Brain CT, EKG, Chest X-ray, Biopsy/resection
Drug · Device · Diagnostic Test + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 39 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 31, 2026, 8:03 AM EDT
Active, not recruiting No phase listed Observational

ET1 Concentration, Metabolic Pathway Activation, and Pulmonary Blood Flow in Infants Undergoing Superior Cavo-Pulmonary Anastomosis

NCT03404258
View directory record Official record
Conditions
Single-ventricle, Pulmonary Vascular Resistance Abnormality, Superior Cavo-Pulmonary Anastomosis, Endothelin, Metabolomics
Interventions
Research Blood Sampling
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 2 Years
Enrollment
50 participants
Timeline
2018 – 2027
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 31, 2026, 8:03 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sex Differences in E-Cigarette Perception

NCT07398976
View directory record Official record
Conditions
Nicotine Dependence, E-cigarette Use
Interventions
Nicotine Level 1 (0mg/ml), Nicotine Level 2 (36mg/ml), Nicotine Level 3 (59mg/ml)
Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 44 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 31, 2026, 8:03 AM EDT
Recruiting Phase 1 Interventional

Optimizing Accelerated TMS for Chronic Pain With Thompson Sampling

NCT07103135
View directory record Official record
Conditions
Chronic Pain
Interventions
MagVenture X100 Pro transcranial magnetic stimulation system
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 31, 2026, 8:03 AM EDT