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ClinicalTrials.gov public records Last synced Sep 6, 2026, 4:34 AM EDT

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Showing 1–24 of 80 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Effects of Hookah Smoking on Blood Flow to the Heart, Muscle and Skin

NCT02147665
View directory record Official record
Conditions
Hookah Smoking
Interventions
Hookah smoking
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 39 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Sep 6, 2026, 4:34 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Endothelial Dysfunction After SCI

NCT07227727
View directory record Official record
Conditions
Spinal Cord Injuries, Endothelial Dysfunction
Interventions
Intra-arterial Infusion of Vasoactive Agents, Intra-arterial Vitamin C Infusion, Blood Sampling
Procedure
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Sep 6, 2026, 4:34 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Characterization of Brachial Arterial t-PA Release, Endothelial Function, Obesity and Inflammation

NCT00780481
View directory record Official record
Conditions
Obesity
Interventions
Bradykinin
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Sep 6, 2026, 4:34 AM EDT
Completed Not applicable Interventional Results available

Phosphodiesterase Type 5 Inhibition to Improve Endothelial Function and Vascular Remodeling in Chronic Kidney Disease and End Stage Renal Disease Patients Requiring New Arteriovenous Fistula

NCT02414204
View directory record Official record
Conditions
Improve Endothelial Function and Decrease Vascular Stenosis
Interventions
Sildenafil, Placebo
Drug · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 99 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2019 · Synced Sep 6, 2026, 4:34 AM EDT
Completed No phase listed Observational

Measuring Cardiovascular Stress in Patients on Hemodialysis

NCT01267617
View directory record Official record
Conditions
Hemodialysis, Hypotension, Circulatory Stress, Photo-plethysmography
Interventions
Not listed
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Sep 6, 2026, 4:34 AM EDT
Completed No phase listed Observational

Impact of Respiratory Pathogens in Infants

NCT01789268
View directory record Official record
Conditions
Respiratory Tract Infection
Interventions
Respiratory Inductive Plethysmography
Device
Lead sponsor
University of Rochester
Other
Eligibility
0 Days to 3 Years
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 6, 2026, 4:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study Using Photo-plethysmographic (PPG) Camera

NCT01166867
View directory record Official record
Conditions
Infant Development
Interventions
Photo-plethysmography monitoring
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
1 Minute to 12 Months
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 6, 2026, 4:34 AM EDT
Completed Not applicable Interventional

Coronary Artery Disease in Patients With Friedreich's Ataxia

NCT04649866
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
plethysmography
Diagnostic Test
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 79 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Sep 6, 2026, 4:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Machine Learning for Handheld Vascular Studies

NCT02932176
View directory record Official record
Conditions
Atherosclerosis, Wounds and Injuries
Interventions
Non-invasive vascular testing, machine-learning algorithm
Device
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 6, 2026, 4:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Thora-3DI™ for Evaluation of Severity of Chronic Obstructive Pulmonary Disease (COPD)

NCT03492359
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Thora-3Di, Body Plethysmography, Spirometry
Device
Lead sponsor
Landon Pediatric Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated May 6, 2019 · Synced Sep 6, 2026, 4:34 AM EDT
Completed Phase 2 Interventional

Phase 2a Topical Sildenafil Proof-of-Concept Study in Men With Mild to Moderate ED

NCT02390960
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
Sildenafil Cream, Placebo Cream, Penile Plethysmography (RigiScan)
Drug · Device
Lead sponsor
Strategic Science & Technologies, LLC
Industry
Eligibility
18 Years to 70 Years · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
3
States / cities
San Diego, California • New Orleans, Louisiana • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2017 · Synced Sep 6, 2026, 4:34 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Assessing the Effects of a Topically Applied Cream to Clitoral Blood Flow

NCT01085981
View directory record Official record
Conditions
Female Sexual Dysfunction
Interventions
arginine 20%, nicotinamide .01%, niacin.1%, in LipodermPG 50%, Topical study cream, GRAS cream
Drug
Lead sponsor
East Suburban Ob Gyn
Other
Eligibility
25 Years to 60 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Monroeville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2010 · Synced Sep 6, 2026, 4:34 AM EDT
Active, not recruiting No phase listed Observational

Long Term Follow up of Children Enrolled in the REDvent Study

NCT03709199
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Ventilator-Induced Lung Injury, Neurocognitive Dysfunction, Quality of Life, Respiration Disorders
Interventions
Ventilation Inhomogeneity, Diaphragm Ultrasound, Respiratory Inductance Plethysmography, Spirometry, Functional Residual Capacity, MIP/MEP, 6 minute walk test, Neurocognitive Testing, Emotional Health Assessment, Health Related Quality of Life, Functional Status, Respiratory Status Questionnaire
Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
1 Month to 18 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Sep 6, 2026, 4:34 AM EDT
Recruiting No phase listed Observational

Surveillance Trial of the Apple Watch in Reliable Burden Assessment in Unseen Recurrence of Surgically Treated AF

NCT07122947
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apple Watch: AFib History, Zio Patch
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
22 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
St Louis, Missouri • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Sep 6, 2026, 4:34 AM EDT
Completed No phase listed Observational

Determinants of Early Cystic Fibrosis Lung Disease

NCT03579173
View directory record Official record
Conditions
Cystic Fibrosis in Children
Interventions
Infant PFT, Lung Clearance Index, Passive tidal breathing
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
1 Month to 5 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Sep 6, 2026, 4:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Age and Sleep Architecture in Meditators

NCT05513846
View directory record Official record
Conditions
Brain Age
Interventions
DREEM EEG Device, SleepImage Ring
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 6, 2026, 4:34 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Role of Endothelial Function in SCI CVD Risk

NCT06443151
View directory record Official record
Conditions
Spinal Cord Injuries, Cardiovascular Diseases, Endothelial Dysfunction
Interventions
Brachial intra-arterial infusion of vasoactive and antioxidant drugs (acetylcholine, nitroprusside, ascorbic acid), venous occlusion plethysmography, Acetylcholine, Sodium Nitroprusside, Ascorbic acid, venous phlebotomy
Procedure · Drug
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 6, 2026, 4:34 AM EDT
Recruiting No phase listed Observational

Non-invasive Venous Air Plethysmography Assessment of Venous Hemodynamics in Patients Suspected Deep Venous Obstruction Used in Conjunction With Intermittent Pneumatic Compression.

NCT06519435
View directory record Official record
Conditions
Deep Vein Thrombosis
Interventions
Mayo Dopplex ABIlity, Intermittent Pneumatic Compression (IPC)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Sep 6, 2026, 4:34 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Model System for Transient Forearm Blood Vessel Dysfunction

NCT00453531
View directory record Official record
Conditions
Limb Ischemia, Ischemic Preconditioning
Interventions
Limb Ischemia, Acetylcholine
Procedure · Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 45 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 8, 2022 · Synced Sep 6, 2026, 4:34 AM EDT
Completed Phase 1Phase 2 Interventional

Vitamin D Deficiency and Replacement on Pulmonary and Endocrine Function in SCI

NCT02099955
View directory record Official record
Conditions
Spinal Cord Injury, Vitamin D Deficiency
Interventions
Vitamin D3
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Sep 6, 2026, 4:34 AM EDT
Completed Phase 2 Interventional

Physical Conditioning in Management of Chronic Venous Insufficiency

NCT00013273
View directory record Official record
Conditions
Venous Insufficiency
Interventions
Physical Conditioning
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2001
U.S. locations
1
States / cities
East Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Sep 6, 2026, 4:34 AM 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 20, 2025 · Synced Sep 6, 2026, 4:34 AM EDT
Recruiting No phase listed Observational

Respiration From Pleth Validation

NCT07449715
View directory record Official record
Conditions
Respiratory Rate Monitoring
Interventions
Physiological Monitoring with SpO₂ Sensors and Capnography
Device
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
4 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 6, 2026, 4:34 AM EDT
Completed No phase listed Observational

Early Detection and Management of Bronchiolitis Obliterans Syndrome Following Pediatric Hematopoietic Stem Cell Transplantation

NCT03072849
View directory record Official record
Conditions
Bronchiolitis Obliterans Syndrome
Interventions
Pulmonary function testing, FAM Therapy
Procedure · Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
6 Years to 18 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Sep 6, 2026, 4:34 AM EDT