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ClinicalTrials.gov public records Last synced Oct 31, 2026, 1:33 PM EDT

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

Showing 289–312 of 317 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Specimen sampling Clear all
Terminated Phase 1 Interventional Accepts healthy volunteers

Imaging of CB1 Receptors Using (11C)SD5024

NCT01399398
View directory record Official record
Conditions
Healthy
Interventions
Brain Scan-PET, Brain Scan-MRI, Arterial Line, Venous Line, Blood Sampling
Procedure
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 31, 2026, 1:33 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

FHA: Characterization of Metabolic Status, Brain Circuitry, and Stress-Reactivity

NCT00453219
View directory record Official record
Conditions
Anovulation, FHA, Eumenorrhea, Polycystic Ovary Syndrome
Interventions
Screening evaluation, Meal Response, Blood Collection, Functional MRI, Endocrine Assessment
Procedure · Genetic
Lead sponsor
Emory University
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Oct 31, 2026, 1:33 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Physiology of Human Brown Adipose Tissue

NCT04352244
View directory record Official record
Conditions
Adipose Tissue, Brown, Adipose Tissue, Obesity
Interventions
Fat biopsy, Blood sampling, Blood sample for DNA analysis
Procedure · Diagnostic Test · Genetic
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 31, 2026, 1:33 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

ImpaCt Of Shiftwork on METabolic Flexibility and Skeletal Muscle Clocks

NCT05820490
View directory record Official record
Conditions
Metabolic Health
Interventions
Whole Room Calorimeter, Mixed-Meal Tolerance Test (MMTT), Core Body Temperature, Morningness-Eveningness Questionnaire, Muscle Biopsy, Serial Blood Sampling
Other · Procedure
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 31, 2026, 1:33 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

PKU Skin Stripping

NCT04368624
View directory record Official record
Conditions
Phenylketonurias
Interventions
Skin Tape, Blood Draw
Other · Diagnostic Test
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2021 · Synced Oct 31, 2026, 1:33 PM EDT
Completed Not applicable Interventional Results available

Nipple-Areola Complex (NAC) Irradiation After Nipple-Sparing Mastectomy and Reconstruction

NCT01208974
View directory record Official record
Conditions
Breast Cancer, Ductal Carcinoma
Interventions
Nipple-Sparing Mastectomy, Breast Reconstruction, Axillary Surgery, Prophylactic Nipple-Areolar Complex RT
Procedure · Radiation
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 31, 2026, 1:33 PM EDT
Recruiting Not applicable Interventional

Prevención en Sus Manos: Feasibility of a Novel Community-Based Strategy to Improve Access to Cervical Cancer Screening

NCT06109870
View directory record Official record
Conditions
HPV
Interventions
PRECEDE-PROCEED
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
920 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
2
States / cities
Austin, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 31, 2026, 1:33 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Myeloid Derived Suppressor Cells Clinical Assay in Finding Kidney Cancer

NCT02664883
View directory record Official record
Conditions
Healthy Subject, Metastatic Renal Cell Cancer, Recurrent Renal Cell Carcinoma, Stage I Renal Cell Cancer, Stage II Renal Cell Cancer, Stage III Renal Cell Cancer
Interventions
Computed Tomography, Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Magnetic Resonance Imaging
Procedure · Other
Lead sponsor
University of Southern California
Other
Eligibility
25 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 31, 2026, 1:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Economic Methods for Assessing Tobacco Product Abuse Liability: Study 7

NCT03496922
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Experimental Tobacco Marketplace
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 24, 2025 · Synced Oct 31, 2026, 1:33 PM EDT
Recruiting No phase listed Observational

Study in Patients With Breast Cancer Leptomeningeal Metastasis

NCT06638294
View directory record Official record
Conditions
Leptomeningeal Metastasis of Breast Cancer
Interventions
Not listed
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Weeks and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 28, 2025 · Synced Oct 31, 2026, 1:33 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

HPV Self-sampling to Improve Access to Cervical Cancer Screening for Persons With HIV and/or Underserved Individuals

NCT05528237
View directory record Official record
Conditions
Cervical Cancer
Interventions
Flocked swab paired with Roche Cobas 4800
Device
Lead sponsor
University of Washington
Other
Eligibility
25 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
3
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 6, 2022 · Synced Oct 31, 2026, 1:33 PM EDT
Recruiting Not applicable Interventional

Evaluation of the CONVIVO System

NCT05139277
View directory record Official record
Conditions
Glioblastoma, Glial Tumor, Brain Metastases, Meningioma, Schwannoma, Pituitary Tumor
Interventions
CONVIVO system, Conventional histologic evaluation
Diagnostic Test · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 31, 2026, 1:33 PM EDT
Recruiting No phase listed Observational

Core Biopsies for Establishing a Breast Tumor Tissue Repository

NCT02250352
View directory record Official record
Conditions
Breast Cancer
Interventions
cytology specimen collection procedure
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 31, 2026, 1:33 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Network Of Clinical Research Studies On Craniosynostosis, Skull Malformations With Premature Fusion Of Skull Bones

NCT03025763
View directory record Official record
Conditions
Craniosynostosis
Interventions
Craniosynostosis Network Environmental Survey, 2D/3D Photography, Buccal Swab Cell Sampling, Blood sampling, Skin Biopsy, Tissues from a Clinically Indicated Procedure, Pre-operative CT Scan Image Files.
Other · Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
Up to 80 Years
Enrollment
2,145 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2028
U.S. locations
15
States / cities
Davis, California • Hartford, Connecticut • Chicago, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2025 · Synced Oct 31, 2026, 1:33 PM EDT
Not listed Not applicable Interventional

Cryobiopsy for Suspected Malignant Peripheral Lymphadenopathy

NCT06120829
View directory record Official record
Conditions
Cryobiopsy of Peripheral Lymph Nodes
Interventions
Cryobiopsy, Cryobiopsy, Core Needle Biopsy
Procedure · Device
Lead sponsor
San Antonio Uniformed Services Health Education Consortium
Federal
Eligibility
18 Years to 89 Years
Enrollment
490 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 31, 2026, 1:33 PM EDT
Terminated No phase listed Observational

Anti-tumor Immune Response in Patients With Cancer Undergoing Radiation Therapy

NCT02310594
View directory record Official record
Conditions
Malignant Neoplasm
Interventions
cytology specimen collection procedure, laboratory biomarker analysis
Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced Oct 31, 2026, 1:33 PM EDT
Completed No phase listed Observational

Genetic Polymorphisms & The Risk for Sepsis After Trauma

NCT02021552
View directory record Official record
Conditions
Trauma
Interventions
blood sampling
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
357 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 7, 2016 · Synced Oct 31, 2026, 1:33 PM EDT
Completed Not applicable Interventional Results available

Using CHWs or Mailing Self Sampling Home Tests to Increase Cervical Cancer Screening in South Florida

NCT02202109
View directory record Official record
Conditions
Cervical Cancer
Interventions
CHW and Self-sampling for Cervical Cancer, Mailed Self Sampler
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
30 Years to 65 Years · Female only
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Oct 31, 2026, 1:33 PM EDT
Not yet recruiting Not applicable Interventional

HPV Detection Using Self-Collected Menstrual Blood

NCT07733557
View directory record Official record
Conditions
Human Papillomavirus (HPV) Infection
Interventions
Endometrics Menstrual Blood Collection Kit
Device
Lead sponsor
Samantha Batman
Other
Eligibility
21 Years to 49 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 31, 2026, 1:33 PM EDT
Completed No phase listed Observational

Human Prostate Tissue Model to Maintain and Study Prostate Cancer Stem Cells

NCT02425800
View directory record Official record
Conditions
Benign Prostatic Hyperplasia, Prostate Carcinoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Male only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
2
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 1, 2021 · Synced Oct 31, 2026, 1:33 PM EDT
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, 1:33 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, 1:33 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, 1:33 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, 1:33 PM EDT