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Showing 1–24 of 651 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Results available

RECOVER-NEURO: Platform Protocol to Measure the Effects of Cognitive Dysfunction Interventions on Long COVID Symptoms

NCT05965752
View directory record Official record
Conditions
Long COVID, Long COVID-19, Long COVID19
Interventions
BrainHQ/Active Comparator Activity, BrainHQ, PASC CoRE, tDCS-active, tDCS-sham
Other · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Sep 25, 2026, 11:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Role of Social Determinants in Cardiovascular Health and Vascular Function

NCT05772221
View directory record Official record
Conditions
Social Determinants of Health, Major Depressive Disorder, Cardiovascular Diseases
Interventions
Screening
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Sep 25, 2026, 11:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Red Blood Cell ATP Release and Vascular Function in Humans

NCT03404843
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Fasudil Hydrochloride, Saline
Drug · Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Sep 25, 2026, 11:00 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Human Intracranial Electrophysiology

NCT05529264
View directory record Official record
Conditions
Epilepsy
Interventions
Memory Tasks, Attention/arousal tasks, Language tasks, Visuospatial tasks, Auditory Tasks, Brain Stimulation, Social Emotional Task, Recording of facial expressions, Judgement/Impulsivity Task
Other · Procedure
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2032
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 25, 2026, 11:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Single-Breath Measurement Underestimates Ventilatory Volume According to Emphysema Severity

NCT00528944
View directory record Official record
Conditions
Emphysema
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 81 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2015 · Synced Sep 25, 2026, 11:00 AM EDT
Terminated Not applicable Interventional

Exercise Intolerance and Skeletal Muscle Bioenergetics in Children With Deep Venous Thrombosis

NCT04294849
View directory record Official record
Conditions
Deep Vein Thrombosis, Pulmonary Embolism
Interventions
Magnetic Resonance Imaging, Bicycle Ergometry, Lab Panel, Questionnaires
Other · Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
8 Years to 21 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Sep 25, 2026, 11:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Lifestyle Factors on Neutrophil Migration Pilot Study

NCT02411318
View directory record Official record
Conditions
Neutrophil Chemotactic Response
Interventions
Exercise, ProLab 200mg caffeine capsule, Ethanol ingestion, Glucose Tolerance Drink
Behavioral · Drug · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 60 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Sep 25, 2026, 11:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Multi-Organ Metabolism and Perfusion in NAFLD by Total Body Dynamic PET Scan on EXPLORER

NCT04165343
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease (NAFLD), Nonalcoholic Steatohepatitis (NASH)
Interventions
Positron Emission Tomography (PET) on EXPLORER, Magnetic Resonance Imaging, Echocardiogram and Electrocardiogram, Blood test
Radiation · Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Sep 25, 2026, 11:00 AM EDT
Recruiting Not applicable Interventional

Operant Conditioning of Spinal Reflexes Training System--Reflex Operant Down Conditioning

NCT05094362
View directory record Official record
Conditions
Spinal Cord Injuries, Neurological Injury, Paralysis, Spasticity, Muscle
Interventions
Spinal Reflex Operant Down Conditioning
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 25, 2026, 11:00 AM EDT
Recruiting Not applicable Interventional

Development and Evaluation of a Screening Approach for Sexual Dysfunction in AYA Patients With and Surviving Childhood Cancer

NCT05524610
View directory record Official record
Conditions
Pediatric Cancer, Survivorship
Interventions
Sexual Function Screening Approach
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years to 24 Years
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 25, 2026, 11:00 AM EDT
Active, not recruiting No phase listed Observational

Long-Term Follow-Up in Women With Early Breast Cancer Three Years of More Post Primary Treatment

NCT05926024
View directory record Official record
Conditions
Breast Cancer
Interventions
Exercise Recall Patient Reported Outcomes, Health Behavior Questionnaire (HBQ)30 Patient Reported Outcomes, Functional Assessment of Cancer Therapy-General (FACT-G) Patient Reported Outcomes, Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) Patient Reported Outcomes, Patient Reported Outcomes PROMIS Cognitive Function (Short Form 8a), Patient Reported Outcomes Functional Assessment of Cancer-Gynecology Oncology Group-Neurotoxicity (FACT/GOG-NTX-12), Patient Reported Outcomes PROMIS, Patient Reported Outcomes FACT-Endocrine Symptoms, Patient Reported Outcomes Penn Arthralgia Aging Survey, Patient Reported Outcomes PRO-CTCAE (patient-reported CTCAE), p16 tumor suppressor gene
Behavioral · Diagnostic Test
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
21 Years and older · Female only
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 25, 2026, 11:00 AM EDT
Completed No phase listed Observational

Assessment of Third Trimester Post-void Residual and Validation of Bladder Scanner in Pregnancy and Post-partum

NCT00782730
View directory record Official record
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Jun 12, 2013 · Synced Sep 25, 2026, 11:00 AM EDT
Completed No phase listed Observational Results available

Upper Extremity Function in Multiple Sclerosis Patients With Advanced Disability Treated With Ocrevus

NCT03562975
View directory record Official record
Conditions
Multiple Sclerosis, Pathologic Processes, Demyelinating Diseases, Nervous System Diseases, Autoimmune Diseases, Immune System Diseases, Primary Progressive Multiple Sclerosis, Relapsing Remitting Multiple Sclerosis
Interventions
Ocrelizumab
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Sep 25, 2026, 11:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vascular Function in Adolescent, Diabetic Children

NCT00348179
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Measurement of vascular function per SphymgnoCor equipment
Procedure
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
12 Years to 14 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 23, 2008 · Synced Sep 25, 2026, 11:00 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Autoimmune Basis for Postural Tachycardia Syndrome

NCT02725060
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome, Tachycardia, Arrhythmias, Cardiac, Autonomic Nervous System Diseases, Orthostatic Intolerance, Cardiovascular Diseases, Primary Dysautonomias
Interventions
phenylephrine, isoproterenol, 25 micro-Ci of radiation, Posture study with blood samples, 24-hour heart rhythm and blood pressure monitoring, Quantitative Axonal Sudomotor Reflex Testing, Autonomic function tests, Rebreathing test, Assessment of splanchnic capacitance, microneurography
Drug · Radiation · Procedure + 1 more
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
2
States / cities
Oklahoma City, Oklahoma • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Sep 25, 2026, 11:00 AM EDT
Completed No phase listed Observational

Longitudinal Energy Expenditure and Metabolic Effects in Patients With COVID-19 (LEEP-COVID)

NCT04350073
View directory record Official record
Conditions
COVID-19
Interventions
Q-NRG Metobolic Cart Device, MuscleSound Ultrasound, Multifrequency Bioimpedance Spectroscopy
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Sep 25, 2026, 11:00 AM EDT
Completed Not applicable Interventional

HRV-B for Symptom Management in Sickle Cell Patients

NCT03383913
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Heart Rate Variability Biofeedback
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
10 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 27, 2024 · Synced Sep 25, 2026, 11:00 AM EDT
Completed No phase listed Observational Results available

Effect of Alveolar Minute Ventilation on Respiratory Gas Heat Content

NCT01943227
View directory record Official record
Conditions
Ventilation Perfusion Mismatch
Interventions
controlled positive pressure ventilation 9ml/kg tidal volume, controlled positive pressure ventilation 6ml/kg tidal volume
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2019 · Synced Sep 25, 2026, 11:00 AM EDT
Recruiting Phase 2 Interventional

Reduced Intensity Haploidentical BMT for High Risk Solid Tumors

NCT01804634
View directory record Official record
Conditions
Refractory and/or Relapsed Metastatic Solid Tumors
Interventions
Cyclophosphamide, Fludarabine, low dose total body irradiation, Melphalan, Tacrolimus
Drug · Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
1 Year to 50 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
3
States / cities
Baltimore, Maryland • The Bronx, New York • Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 25, 2026, 11:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pediatric Primary Hypertension and the Renin-Angiotensin System (PHRAS)

NCT03310684
View directory record Official record
Conditions
Pediatric Disorder, Pediatric Obesity, Primary Hypertension
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
5 Years to 17 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Sep 25, 2026, 11:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Measurement of Hemodynamic Responses to Lower Body Negative Pressure

NCT03582501
View directory record Official record
Conditions
Hypotension and Shock
Interventions
Lower body negative pressure
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Sep 25, 2026, 11:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Regulation of Postprandial Nitric Oxide Bioavailability and Vascular Function By Dairy Milk

NCT02482675
View directory record Official record
Conditions
Prediabetes
Interventions
Glucose, Glucose with Non-fat Milk, Glucose with Whey Protein Isolate, Glucose with Sodium Caseinate
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 13, 2019 · Synced Sep 25, 2026, 11:00 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Neurobiological Mechanisms of Stress in Youth With Chronic Widespread Pain

NCT04488757
View directory record Official record
Conditions
Chronic Widespread Pain, Stress, Psychological, Stress, Physiological
Interventions
functional Magnetic Resonance Imaging (fMRI), Allostatic Load Composite
Diagnostic Test · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
11 Years to 17 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 25, 2026, 11:00 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Effects of Vitamin D and Omega-3 Supplementation on Telomeres in VITAL

NCT04386577
View directory record Official record
Conditions
Aging
Interventions
Vitamin D3 (cholecalciferol), fish oil
Dietary Supplement · Drug
Lead sponsor
Augusta University
Other
Eligibility
50 Years and older
Enrollment
1,054 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Sep 25, 2026, 11:00 AM EDT