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Showing 1–24 of 85 matching trials from the live ClinicalTrials.gov search.
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Endothelial Hyperpolarization in Humans

NCT00166166
Conditions
Hyperlipidemia
Interventions
Tetraethylammonium (TEA), L-NG-monomethyl Arginine (L-NMMA), Bradykinin, Sodium nitroprusside, Acetylcholine, Saline, Fluconazole
Drug
Lead sponsor
Emory University
Other
Eligibility
21 Years to 65 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers

Visual and Auditory Neuromodulation of Pain Perception

NCT04281836
Conditions
Pain, Acute
Interventions
Interoceptive breathing awareness through use of audio and visual virtual technology aid, Interoceptive breathing awareness without use of audio or visual virtual reality
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
COPD
Interventions
Esophageal and gastric balloons, Respiratory Inductance Plethysmography (RIP) system, Sentec transcutaneous monitoring system, High-flow humidified nasal oxygen delivery system, CPAP (Positive Control)
Other · Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

OSA in Pregnant Women With Chronic HTN

NCT03230110
Conditions
Sleep Apnea, Obstructive, Pregnancy, Hypertension
Interventions
WP200U home sleep study device
Diagnostic Test
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Durham, North Carolina
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Model System for Transient Forearm Blood Vessel Dysfunction

NCT00453531
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
Not listed Not applicable Interventional Accepts healthy volunteers

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

NCT01085981
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
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Evaluation of the UltraTrac System as a Non-Invasive Monitor of Hemodynamic Parameters

NCT07862608
Conditions
Hemodynamic Monitoring
Interventions
Noninvasive Hemodynamic Monitoring System
Device
Lead sponsor
AcQumen Medical, Inc.
Industry
Eligibility
2 Months to 95 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Riverside, Connecticut
Conditions
Pain, Chronic
Interventions
PneuRIP, biofeedback to assist with breathing
Device · Other
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
10 Years to 18 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Wilmington, Delaware
Conditions
Infant,Premature
Interventions
Pulmonary Function Testing, Electrocardiogram, Cardiac Magnetic Resonance Imaging, Metoprolol, Sildenafil
Procedure · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study Using Photo-plethysmographic (PPG) Camera

NCT01166867
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
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
Conditions
Blood Pressure
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Validation of a Novel Device for Screening Patients With Symptoms of Obstructive Sleep Apnea

NCT04121923
Conditions
Sleep Apnea, Obstructive
Interventions
Belun Ring Pulse Oximeter
Device
Lead sponsor
Belun Technology Company Limited
Other
Eligibility
18 Years to 90 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Conditions
COPD Exacerbation Acute
Interventions
AIRVO 2, the new asymmetric nasal cannula
Device
Lead sponsor
Temple University
Other
Eligibility
40 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Short Bowel Syndrome
Interventions
Not listed
Lead sponsor
Christopher Duggan
Other
Eligibility
2 Years to 17 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
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
Conditions
Prediction of Extubation Readiness
Interventions
Cardiorespiratory signal acquisition
Other
Lead sponsor
McGill University Health Centre/Research Institute of the McGill University Health Centre
Other
Eligibility
Not listed
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Detroit, Michigan • Providence, Rhode Island
Conditions
Hypertension
Interventions
Metoprolol succinate, Nebivolol, Forearm blood flow, Microneurography, Rhythmic handgrip exercise, Lower body negative pressure, Angiotensin II
Drug · Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Gestational Diabetes Mellitus
Interventions
Low Carbohydrate/Conventional, Choosing Healthy Options in Carbohydrate Energy
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 36 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cardiac Function and Metabolism in Young Adults Born Premature (PET-MRI)

NCT03245723
Conditions
Infant,Premature
Interventions
Pulmonary Function Testing, Electrocardiogram, Positron Emission Tomography, Magnetic Resonance Imaging
Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 35 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Brain Age and Sleep Architecture in Meditators

NCT05513846
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 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Sleep-Disordered Breathing, Sleep Architecture
Interventions
Belun Ring Pulse Oximeter
Device
Lead sponsor
Belun Technology Company Limited
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Redwood City, California
Recruiting No phase listed Observational Accepts healthy volunteers

Role of Endothelial Function in SCI CVD Risk

NCT06443151
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