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Showing 1–24 of 57 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pulmonary Circulation Diseases Clear all
Terminated Not applicable Interventional Results available

Pharmacokinetic Study of Milrinone in Babies With Persistent Pulmonary Hypertension of the Newborn

NCT01088997
View directory record Official record
Conditions
Persistent Fetal Circulation Syndrome
Interventions
Milrinone Lactate
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 10 Days
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
2
States / cities
Detroit, Michigan • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Sep 2, 2026, 6:50 AM EDT
Withdrawn Phase 4 Interventional

Early iNO for Oxidative Stress, Vascular Tone and Inflammation in Babies With Hypoxic Respiratory Failure

NCT01891500
View directory record Official record
Conditions
Persistent Fetal Circulation Syndrome, Hypertension, Pulmonary, of Newborn, Persistent, Persistent Pulmonary Hypertension of Newborn
Interventions
Inhaled nitric oxide, Nitrogen Gas, Crossover iNO
Drug
Lead sponsor
University of Florida
Other
Eligibility
30 Minutes to 48 Hours
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Not applicable Interventional Results available

Deep Vein Thrombosis (DVT) Prevention in Total Hip Arthroplasty: Continuous Enhanced Circulation Therapy (CECT) Versus Low Molecular Weight Heparin (LMWH)

NCT00358735
View directory record Official record
Conditions
Deep Vein Thrombosis of Lower Limb, Pulmonary Embolism (PE), Bleeding
Interventions
ActiveCare CECT device, Enoxaparin
Device · Drug
Lead sponsor
Medical Compression Systems
Industry
Eligibility
18 Years and older
Enrollment
411 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
9
States / cities
La Jolla, California • Loma Linda, California • Los Angeles, California + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2014 · Synced Sep 2, 2026, 6:50 AM EDT
Withdrawn Not applicable Interventional

FDG Uptake and Lung Blood Flow in PAH Before and After Treatment With Ambrisentan

NCT02958358
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
CT imaging, functional PET imaging
Other
Lead sponsor
Robert Scott Harris, M.D.
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 14, 2016 · Synced Sep 2, 2026, 6:50 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

N-Terminal Pro-brain Natriuretic Peptide Hormone and Persistent Pulmonary Hypertension

NCT00443859
View directory record Official record
Conditions
Persistent Pulmonary Hypertension of Newborn
Interventions
Not listed
Lead sponsor
Christiana Care Health Services
Other
Eligibility
Up to 6 Months
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Newark, Delaware • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2016 · Synced Sep 2, 2026, 6:50 AM EDT
Completed No phase listed Observational

Cerebral Blood Flow in Single Ventricles Throughout Staged Surgical Reconstruction

NCT02135081
View directory record Official record
Conditions
Single Ventricle Defect
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
4 Months to 10 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 18, 2018 · Synced Sep 2, 2026, 6:50 AM EDT
Not yet recruiting Not applicable Interventional

PRECISION-CPR: PRecision-Controlled Ventilation in CPR

NCT07088120
View directory record Official record
Conditions
Cardiac Arrest (CA)
Interventions
Precision-Controlled Ventilation with Real-Time Feedback, Standard Manual Ventilation During CPR
Device · Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
852 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 2, 2026, 6:50 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

This Study Consists of Two Study Parts Conducted Under a Single IRB. Part I: Short Term ApoE-dependent Cerebral Blood Flow Response to Sirolimus in Cognitively Normal Adults Part II: Short Term ApoE-dependent Cerebral Blood Flow and Lung Perfusion Response to Sirolimus in Cognitively Normal Adults

NCT05386914
View directory record Official record
Conditions
Genetic Predisposition to Disease, Healthy Volunteers
Interventions
Sirolimus
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
45 Years to 65 Years
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Point-of-Care RBC Washing to Prevent Transfusion-Related Pulmonary Complications

NCT02094118
View directory record Official record
Conditions
Blood Transfusion Complications
Interventions
Point-of-care washed red blood cell transfusion., Standard of care red blood cell transfusion.
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Rochester, Minnesota • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Phase 1 Interventional

Nitric Oxide and Transfusion Therapy for Sickle Cell Patients With Pulmonary Hypertension

NCT00023296
View directory record Official record
Conditions
Sickle Cell Anemia, Pulmonary Hypertension
Interventions
Nitric Oxide, INO Pulse - NO Delivery System
Drug · Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2015
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Not applicable Interventional

Body Warming in Improving Blood Flow and Oxygen Delivery to Tumors in Patients With Cancer

NCT01896778
View directory record Official record
Conditions
Adult Liver Carcinoma, Breast Carcinoma, Colon Carcinoma, Kidney Neoplasm, Lung Carcinoma, Malignant Head and Neck Neoplasm, Malignant Neoplasm, Melanoma, Ovarian Neoplasm, Soft Tissue Sarcoma
Interventions
Hyperthermia Treatment, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Sep 2, 2026, 6:50 AM EDT
Recruiting Not applicable Interventional

Trial to Evaluate Safety And Effectiveness of Mechanical Circulatory Support in Patients With Advancing Heart Failure

NCT06526195
View directory record Official record
Conditions
Heart Failure, Heart Diseases, Cardiovascular Diseases, Pulmonary Hypertension
Interventions
CardioMEMS HF System, HeartMate 3 Left Ventricular Assist System, Guideline Medical Directed Therapy
Device · Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
57
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Sacramento, California + 51 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 2, 2026, 6:50 AM EDT
Recruiting No phase listed Observational

Pulmonary Hemodynamics During Exercise - Research Network

NCT03954574
View directory record Official record
Conditions
Pulmonary Circulation Diseases
Interventions
assessment of pulmonary hemodynamics during exercise by right heart catheterization
Diagnostic Test
Lead sponsor
Medical University of Graz
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2029
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 2, 2026, 6:50 AM EDT
Active, not recruiting No phase listed Observational

Trans-pulmonary Biomarkers in Pulmonary Hypertension

NCT01961232
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Sep 2, 2026, 6:50 AM EDT
Terminated Phase 3 Interventional

Inhaled Nitric Oxide Study for Respiratory Failure in Newborns

NCT00005776
View directory record Official record
Conditions
Infant, Newborn, Hypertension, Pulmonary, Persistent Fetal Circulation Syndrome, Pneumonia, Aspiration, Respiratory Distress Syndrome, Newborn, Respiratory Insufficiency
Interventions
Inhaled nitric oxide, Placebo
Drug
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
Up to 14 Days
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 1998
U.S. locations
11
States / cities
Palo Alto, California • New Haven, Connecticut • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Sep 2, 2026, 6:50 AM EDT
Completed No phase listed Observational

Hemodynamic Measurements During Liver Transplantation

NCT00682110
View directory record Official record
Conditions
Liver Transplantation
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 31, 2010 · Synced Sep 2, 2026, 6:50 AM EDT
Withdrawn Phase 2 Interventional

Inhaled PGE1 in Neonatal Hypoxemic Respiratory Failure

NCT00598429
View directory record Official record
Conditions
Infant, Newborn, Respiratory Insufficiency, Pulmonary Hypertension, Respiratory Distress Syndrome, Newborn, Streptococcal Infections
Interventions
Inhaled Prostaglandin E1
Drug
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
Up to 7 Days
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
11
States / cities
Birmingham, Alabama • Palo Alto, California • Iowa City, Iowa + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Sep 2, 2026, 6:50 AM EDT
Terminated Phase 2 Interventional Results available

Remodulin as Add-on Therapy for the Treatment of Persistent Pulmonary Hypertension of the Newborn

NCT02261883
View directory record Official record
Conditions
Persistent Pulmonary Hypertension of the Newborn
Interventions
IV Remodulin, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
1 Hour to 14 Days
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
14
States / cities
Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Phase 1 Interventional

Pharmacokinetics of Sildenafil in Premature Infants

NCT01670136
View directory record Official record
Conditions
Persistent Pulmonary Hypertension of the Newborn
Interventions
1 dose of sildenafil
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Up to 364 Days
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
9
States / cities
Birmingham, Alabama • Indianapolis, Indiana • Louisville, Kentucky + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Phase 3 Interventional Results available

A Study To Evaluate Safety And Efficacy Of IV Sildenafil In The Treatment Of Neonates With Persistent Pulmonary Hypertension Of The Newborn

NCT01720524
View directory record Official record
Conditions
Pulmonary Hypertension, Familial Persistent, of the Newborn
Interventions
placebo, iv sildenafil
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
0 Days to 4 Days
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
20
States / cities
Little Rock, Arkansas • Sacramento, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2021 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Not applicable Interventional Results available

Imaging Study of the Lungs During an Allergic Asthma Attack

NCT01547286
View directory record Official record
Conditions
Asthma, Atopy
Interventions
Standardized Cat Allergen Extract and Standardized Dust Mite Allergen, Computed Tomography imaging, functional Positron Emission Tomography imaging, Nebulized methacholine inhalation
Biological · Radiation · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 21, 2017 · Synced Sep 2, 2026, 6:50 AM EDT
Active, not recruiting Not applicable Interventional

Preductal Oxygen Saturation Target in Term and Late Preterm Neonates With Hypoxemic Respiratory Failure or Pulmonary Hypertension

NCT04938167
View directory record Official record
Conditions
Persistent Pulmonary Hypertension of the Newborn, Hypoxemic Respiratory Failure
Interventions
95% - 99% SpO2 target
Other
Lead sponsor
University of California, Davis
Other
Eligibility
0 Days to 28 Days
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Not applicable Interventional Results available

Acute Airway Vascular Smooth Muscle Effects of Inhaled Budesonide

NCT01219738
View directory record Official record
Conditions
Asthma
Interventions
Budesonide 360ug, Budesonide 720ug, Budesonide 1440ug, Budesonide720ug 4 times, Placebo
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 15, 2015 · Synced Sep 2, 2026, 6:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Whole Body Periodic Acceleration on Airway Endothelial Function

NCT01213706
View directory record Official record
Conditions
Healthy, Smokers, Asthma
Interventions
Whole Body Periodic Acceleration (WBPA), Sham WBPA
Device
Lead sponsor
University of Miami
Other
Eligibility
20 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Sep 2, 2026, 6:50 AM EDT