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Showing 1–24 of 85 matching trials from the live ClinicalTrials.gov search.
Conditions
Respiratory Control in Premature Infants
Interventions
Bedside Physiology study, Carotid Body Function Test, Room Air Challenge, Hypoxia Challenge Test, Effects of Nasal Cannula Flow, Magnetic Resonance Imaging, Echocardiogram, Blood Sample
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day to 28 Days
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Pre-Eclampsia, Severe, Pregnancy
Interventions
Noninvasive finger plethysmographic cardiac output monitoring, Standard transthoracic echocardiographic assessment
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

DreamKit Respiratory Effort Signal Validation

NCT04926077
Conditions
Sleep Apnea, Obstructive, Sleep Apnea, Central
Interventions
DreamKit
Device
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Baltimore, Maryland
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
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
Conditions
Hodgkin Lymphoma
Interventions
Neurocognitive Evaluation, Quantitative Brain Imaging, Neurologic Evaluation, Health Questionnaire, Vascular Testing, Cardiopulmonary Exercise Testing, Echocardiography, Pulmonary Function Testing, Serum Biomarkers, Ophthalmology Examination
Other · Procedure
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
416 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
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
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
Enrolling by invitation No phase listed Observational

PPV vs PVI in the Supine and Prone Position

NCT07415603
Conditions
Surgeries Undergoing General Anesthesia
Interventions
Observation
Other
Lead sponsor
Joseph D. Tobias
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
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
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Assessing Pulmonary Changes in HSCT

NCT07823036
Conditions
HSCT, Respiratory, Gas Exchange Impairment
Interventions
Hyperpolarized 129 Xenon
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years and older
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Cincinnati, Ohio
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
Recruiting No phase listed Observational Accepts healthy volunteers

Endothelial Dysfunction After SCI

NCT07227727
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
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 Results available

Tailored to You (TTY) Pilot Study

NCT05141175
Conditions
Hypertension
Interventions
Hypertension medication algorithm, Impedance Cardiography
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Obstructive Sleep Apnea
Interventions
Negative Pressure Ventilator, Pulmonary Function Testing (PFT), Transcutaneous Phrenic Nerve Stimulation, Percutaneous Phrenic Nerve Stimulation
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Results available

Real-time Effort Driven VENTilator Management

NCT03266016
Conditions
Ventilation Therapy; Complications, Diaphragm Disease, Pediatric Respiratory Diseases
Interventions
Computerized Ventilator Protocol, Esophageal Manometry, Respiratory Inductance Plethysmography (RIP), Diaphragm Ultrasound, Maximal Inspiratory Pressure
Other · Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
30 Days to 18 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Los Angeles, California
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
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
Conditions
Premature Infant, Work of Breathing, Oxygen Saturation
Interventions
Not listed
Lead sponsor
Christiana Care Health Services
Other
Eligibility
4 Days to 6 Months
Enrollment
29 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
Newark, Delaware
Conditions
Valvular Heart Disease, Pericardial Disease, Cardiomyopathies
Interventions
Photoplethysmography
Diagnostic Test
Lead sponsor
Tulane University
Other
Eligibility
18 Years to 120 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
3
States / cities
New Orleans, Louisiana
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
Hyperinsulinemia
Interventions
Insulin
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland