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ClinicalTrials.gov public records Last synced Sep 5, 2026, 6:16 PM EDT

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Showing 1–24 of 129 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Plasma Hydrogen Sulfide as a Biomarker for Alzheimer's Disease and Related Dementias

NCT05060848
Conditions
Alzheimer Disease, Dementia
Interventions
Not listed
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
55 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Shreveport, Louisiana
Recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal Cognitive Assessment by BoCA

NCT04114994
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Vascular Dementia, Frontotemporal Dementia, Parkinson Disease, Multiple Sclerosis, TBI
Interventions
Boston Cognitive Assessment (BoCA)
Diagnostic Test
Lead sponsor
Alzheimer's Light LLC
Industry
Eligibility
50 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

Type 2 Diabetes and Exercise Function in Single Leg Exercises

NCT01793909
Conditions
Type 2 Diabetes
Interventions
Single Leg Exercise Training
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 70 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Heat Therapy, Functional Capacity, and Vascular Health in Older Adults

NCT05706181
Conditions
Aging Well, Walking, Difficulty, Hyperemia
Interventions
Home-based leg heat therapy, Home-based sham therapy
Other
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
55 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Pediatric ALL
Interventions
ECG
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
1 Day to 45 Days
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Withdrawn Not applicable Interventional

Olive Oil and Cardiovascular Health

NCT01983943
Conditions
Cardiovascular Disease, Endothelial Function
Interventions
Hydroxytyrosol, the active ingredient in olive oil., Placebo, Nutrition counseling, Endopat
Dietary Supplement · Behavioral · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Thermoregulation in Individuals With a Leg Amputation

NCT06458426
Conditions
Amputation, Diabetes
Interventions
shock-absorbing prosthesis
Device
Lead sponsor
University of Utah
Other
Eligibility
19 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass Surgery, Laparoscopic Adjustable Gastric Banding, Lifestyle Weight Loss Intervention
Procedure · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Terminated Phase 2 Interventional Results available

Acute Effects of Inhaled Treprostinil in Fontan Patients

NCT02769624
Conditions
Congenital Heart Disease
Interventions
Treprostinil, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Peripheral Arterial Disease, Diabetes Mellitus
Interventions
Platelet function testing, Vascular ultrasonography
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
35 Years and older
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
38
States / cities
Long Beach, California • Los Angeles, California • San Francisco, California + 33 more
Conditions
Drop Foot
Interventions
Diagnostic procedures, Lidocaine HCl
Diagnostic Test
Lead sponsor
Stephen Barrett
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Marietta, Georgia
Completed No phase listed Observational Accepts healthy volunteers

Intracardiac Flow Assessment in Cardiac Amyloidosis

NCT05379101
Conditions
Amyloidosis Cardiac, Healthy Adults
Interventions
Cardiac magnetic resonance image (CMR), Transthoracic Echocardiogram (TTE), Six-minute Walk Test
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers Results available

Choline and Cardiometabolic Health

NCT04764162
Conditions
Cardiovascular Risk Factor
Interventions
Choline, Placebo
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 79 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Blacksburg, Virginia
Completed No phase listed Observational Accepts healthy volunteers

COPD-Related Physiology and the Brain

NCT03269721
Conditions
Pulmonary Disease, Chronic Obstructive (COPD), Cognitive Impairment
Interventions
Neuropsychological Assessment, Spirometry, Arterial Blood Gas, Diffusion Capacity of the Lung for Carbon Monoxide, 6 Minute Walk Test, Systemic Vascular Measures, Blood Biomarkers, Symptom Questionnaire Measures, Brain MRI
Behavioral · Procedure · Diagnostic Test + 1 more
Lead sponsor
Karin Hoth
Other
Eligibility
30 Years to 85 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Traumatic Brain Injury
Interventions
Sildenafil Citrate 50Mg Tab, functional Near-infrared Spectroscopy (fNIRS), Carbon Dioxide (CO2) 5%, Neuropsychological Assessments, Gadolinium contrast infusion, Blood sample collection for research purposes, Structural brain Magnetic Resonance Imaging (MRI
Drug · Device · Other + 1 more
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 55 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Aging, Cardiovascular Diseases, Glucose Intolerance
Interventions
Continuous Glucose Monitoring System
Device
Lead sponsor
Leryn Reynolds
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Norfolk, Virginia
Conditions
Hypertension
Interventions
High Intensity Interval Training (HIIT) Exercise
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Traumatic Brain Injury, Cognitive Decline, Vascular Dementia
Interventions
No intervention. This is an observational study.
Other
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 74 Years
Enrollment
300 participants
Timeline
2023 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Terminated Phase 1 Interventional Accepts healthy volunteers

Peripheral Vasodilation in Obese Humans

NCT02833207
Conditions
Obesity
Interventions
Drug Trial 1 (EDD), Drug Trial 2 (ROV)
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Recruiting Phase 1 Interventional Accepts healthy volunteers

: Vascular Function in Health and Disease

NCT02966665
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension, Heart Failure, Hypertension
Interventions
Maximum Exercise Tests, BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate, BQ-123, Fexofenadine, Ranitidine, Angiotensin-II, Valsartan, Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine, BQ-123, MitoQ, BH4
Other · Drug
Lead sponsor
Russell Richardson
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2026
U.S. locations
1
States / cities
Salt Lake City, Utah
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Anxiety-mediated Impairments in Large Elastic Artery Function and the Autonomic Nervous System

NCT03109795
Conditions
Anxiety, Hypertension
Interventions
Clonidine Pill, Hydrochlorothiazide
Drug
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 79 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers

Nitrate and Vitamin C on Vascular Health Oxidative Stress

NCT04283630
Conditions
Endothelial Dysfunction
Interventions
Dietary nitrate in the form of beetroot juice for all participnats, Nature Made vitamin c 1000 mg, Placebo
Dietary Supplement
Lead sponsor
David Travis Thomas
Other
Eligibility
50 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Lexington, Kentucky
Conditions
Type 2 Diabetes Mellitus
Interventions
Exenatide, Glargine Insulin
Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cardioprotective Activities Of Whole Eggs On Vascular Endothelial Function In Prediabetic Adults

NCT02364570
Conditions
Prediabetes, Cardiovascular Disease
Interventions
Glucose (100g), Glucose (75g), Whole Eggs, Egg Whites, Egg Yolks
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Columbus, Ohio