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ClinicalTrials.gov public records Last synced Oct 31, 2026, 9:43 PM EDT

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

Showing 841–864 of 872 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Sampling Clear all
Completed No phase listed Observational

High Definition Single Cell Analysis in Colorectal Cancer

NCT02809716
View directory record Official record
Conditions
Metastatic Carcinoma in the Liver, Stage IV Colorectal Cancer
Interventions
Biomarker Analysis, Cytology Specimen Collection Procedure
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
6
States / cities
La Jolla, California • Los Angeles, California • Newport Beach, California + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 31, 2026, 9:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Novel vs. Usual Brand Menthol Cigarettes on Abuse Liability

NCT07564648
View directory record Official record
Conditions
Cigarette Addiction, Tobacco Use Disorder
Interventions
Biospecimen Collection, Questionnaire Administration, Cigarette Purchase Task, Cross-Price Elasticity Task, Daily Diary Surveys, Progressive Ratio Task
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Intensive 7-day Treatment for PTSD Combining Ketamine With Exposure Therapy

NCT02727998
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Ketamine, Midazolam
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Oct 31, 2026, 9:43 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Sleep Loss and Circadian Misalignment - Mechanisms of Insulin Resistance

NCT07494084
View directory record Official record
Conditions
Shift Work Schedule, Circadian Rhythm, Insulin Resistance, Circadian Misalignment
Interventions
Metyrapone And Hydrocortisone, Dextrose, insulin
Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Completed No phase listed Observational

2019 National Survey of Early Care and Education

NCT03947593
View directory record Official record
Conditions
Children Under 13
Interventions
No Intervention
Other
Lead sponsor
National Opinion Research Center
Other
Eligibility
18 Years and older
Enrollment
25,190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 26, 2019 · Synced Oct 31, 2026, 9:43 PM EDT
Terminated Not applicable Interventional Results available

Validation of Mixed Venous Blood Oxygen Saturation Obtained With a Novel Mathematical Equation

NCT00783952
View directory record Official record
Conditions
Mixed Venous Oxygen Saturation, Tissue Oxygenation
Interventions
Cerebral/Somatic Tissue Oximeter device, Pulmonary artery catheter
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 31, 2026, 9:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HPV Self-Sampling for Cervical Cancer Screening Among Lesbian, Bisexual, and Queer (LBQ) Women

NCT03012932
View directory record Official record
Conditions
Cervical Cancer Screening
Interventions
HPV self-sampling
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
25 Years to 65 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 31, 2026, 9:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Peer-Driven Intervention to Increase PrEP Uptake Among Minority MSM

NCT05161663
View directory record Official record
Conditions
HIV Infections
Interventions
Peer-driven intervention
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Membrane Potential Mapping with18F-TPP

NCT07506616
View directory record Official record
Conditions
Membrane Potential Mapping
Interventions
18F-TPP
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2033
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identifying Residential Hazards Using Home Test Kits

NCT00285532
View directory record Official record
Conditions
Poisoning, Lead
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
3 Months to 5 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 18, 2014 · Synced Oct 31, 2026, 9:43 PM EDT
Not yet recruiting Not applicable Interventional

A Study for Cerebral Open Flow Microperfusion

NCT07089758
View directory record Official record
Conditions
Glioma, Glioblastoma
Interventions
Cerebral open flow microperfusion
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Kaempferol Absorption and Pharmacokinetics Evaluation

NCT07322406
View directory record Official record
Conditions
No Disease, Mitochondria Health, Longevity, Pharmacokinetics and Biological Absorption of Kaempferol in Healthy Adult, Healthy Volunteers
Interventions
Kaempferol
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
3
States / cities
New York, New York • Chapel Hill, North Carolina • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Exercise in Child Health

NCT05359991
View directory record Official record
Conditions
Cystic Fibrosis, Sickle Cell Disease, SARS CoV 2 Infection
Interventions
Exercise
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
10 Years to 17 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder

NCT06471374
View directory record Official record
Conditions
Delayed Sleep Phase Syndrome, Delayed Sleep Phase
Interventions
Circadian rhythm assessment, Light sensitivity assessment
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
16 Years to 40 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Boulder, Colorado • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Completed Not applicable Interventional

Glucose to Goal: A Model to Support Diabetes Management in Primary Care

NCT02715934
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Glucose to Goal, Usual Care
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 75 Years
Enrollment
4,994 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 10, 2018 · Synced Oct 31, 2026, 9:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Pharmacokinetic Study of Oral Maraviroc and Maraviroc 1% Gel in HIV-1 Seronegative Adults

NCT02346084
View directory record Official record
Conditions
HIV/AIDS
Interventions
Maraviroc 300 mg tablet (PO) and Maraviroc 1% gel (PR and PV)
Drug
Lead sponsor
International Partnership for Microbicides, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2017 · Synced Oct 31, 2026, 9:43 PM 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 31, 2026, 9:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Quantification of Estradiol's Impact on Nucleotides in Cellular Populations of the Lower GI Tract

NCT03917420
View directory record Official record
Conditions
HIV/AIDS
Interventions
Tenofovir 300Mg Oral Tablet, Emtricitabine 200 MG
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 31, 2026, 9:43 PM EDT
Completed Phase 2 Interventional

Tolerization Reduces Intolerance to Pegloticase and Prolongs the Urate Lowering Effect

NCT02598596
View directory record Official record
Conditions
Gout
Interventions
Pegloticase, Azathioprine
Biological · Drug
Lead sponsor
Ampel BioSolutions, LLC
Industry
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
11
States / cities
Birmingham, Alabama • Huntsville, Alabama • Wheaton, Maryland + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced Oct 31, 2026, 9:43 PM EDT
Recruiting No phase listed Observational

Testosterone Deficiency and Endothelial Dysfunction After Spinal Cord Injury

NCT07227740
View directory record Official record
Conditions
Spinal Cord Injuries, Endothelial Dysfunction, Testosterone Deficiency
Interventions
Intra-arterial Infusion of Vasoactive Agents, Intra-arterial Vitamin C Infusion, Blood Sampling
Diagnostic Test
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years to 89 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 31, 2026, 9:43 PM EDT
Enrolling by invitation Not applicable Interventional

Genome Sequencing in the Intensive Care Unit Population

NCT04848090
View directory record Official record
Conditions
Infant, Newborn, Disease, Genetic Disease
Interventions
Neonate WGS Testing
Diagnostic Test
Lead sponsor
Jerry Vockley, MD, PhD
Other
Eligibility
Up to 1 Year
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 31, 2026, 9:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Lofexidine ADME & Mass Balance in Volunteers

NCT01310296
View directory record Official record
Conditions
Normal Healthy Volunteers Will be Treated With Lofexidine to Understand the Absolute Bioavailability and Mass Balance Recovery of the Product
Interventions
Lofexidine hydrochloride
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 31, 2026, 9:43 PM EDT
Completed No phase listed Observational

Natural History Study of Infants With Adrenal Masses Found on Prenatal and/or Neonatal Imaging

NCT00445718
View directory record Official record
Conditions
Adrenocortical Carcinoma, Localized Resectable Neuroblastoma, Precancerous Condition
Interventions
computed tomography, 3-Tesla magnetic resonance imaging, Abdominal Sonogram
Procedure
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 6 Months
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2013
U.S. locations
38
States / cities
Tucson, Arizona • Downey, California • Los Angeles, California + 35 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Oct 31, 2026, 9:43 PM EDT
Recruiting No phase listed Observational

Diagnostic and Therapeutic Applications of Microarrays in Lung Transplantation

NCT02812290
View directory record Official record
Conditions
Lung Transplant Rejection
Interventions
Lung transplant biopsy bites.
Procedure
Lead sponsor
University of Alberta
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
4
States / cities
Phoenix, Arizona • Baltimore, Maryland • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 31, 2026, 9:43 PM EDT