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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pulmonary Arterial Hypertension, Children Clear all
Not listed No phase listed Observational

PV Loop and Pulmonary Hypertension

NCT05484596
View directory record Official record
Conditions
Pulmonary Vascular Resistance Abnormality
Interventions
Measuring VA Coupling
Procedure
Lead sponsor
Hythem Nawaytou
Other
Eligibility
1 Year to 21 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
San Francisco, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Jul 23, 2026, 6:33 AM EDT
Completed Phase 4 Interventional Results available

Management of Acute Pulmonary Hypertensive Crisis in Children With Known Pulmonary Arterial Hypertension

NCT05439460
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Phenylephrine, Epinephrine, Arginine Vasopressin
Drug
Lead sponsor
Stanford University
Other
Eligibility
1 Year to 18 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Jul 23, 2026, 6:33 AM EDT
Completed Phase 3 Interventional Results available

A Study to Assess Whether Macitentan Delays Disease Progression in Children With Pulmonary Arterial Hypertension (PAH)

NCT02932410
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Macitentan, Standard-of-care
Drug · Other
Lead sponsor
Actelion
Industry
Eligibility
1 Month to 17 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
20
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Jul 23, 2026, 6:33 AM EDT
Completed Not applicable Interventional

Safety and Effectiveness of a Virtual Pediatric Cardiac Rehabilitation Program or Telerehabilitation in Children With Heart Disease

NCT06819059
View directory record Official record
Conditions
Congenital Abnormalities, Pulmonary Arterial Hypertension (PAH), Orthotopic Heart Transplant, Cardiac Rehabilitation, Pediatric Cardiology, Telehealth, Telerehabilitation
Interventions
Pediatric Cardiac Telerehabilitation, Fitness Tracker Only
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 25 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Jul 23, 2026, 6:33 AM EDT
Completed Phase 3 Interventional Results available

A Randomized, Double-Blind, Placebo-Controlled Study of Sildenafil in Children With Pulmonary Arterial Hypertension.

NCT00159913
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Children
Interventions
Sildenafil citrate, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
1 Year to 17 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
10
States / cities
Palo Alto, California • Stanford, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Jul 23, 2026, 6:33 AM EDT
Completed Phase 3 Interventional Results available

FUTURE 3 Study Extension

NCT01338415
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Bosentan
Drug
Lead sponsor
Actelion
Industry
Eligibility
3 Months to 12 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2020
U.S. locations
3
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Jul 23, 2026, 6:33 AM EDT
Completed No phase listed Observational

Pharmacokinetic Study of Sub-q and IV Treprostinil in Kids With Pulmonary Arterial Hypertension (PAH)

NCT02318186
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
Jeffrey A. Feinstein
Other
Eligibility
Up to 18 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2017 · Synced Jul 23, 2026, 6:33 AM EDT
Completed Phase 1 Interventional

Quantifying the Presence of Lung Disease and Pulmonary Hypertension in Children With Sickle Cell Disease

NCT01895998
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Albuterol
Drug
Lead sponsor
Duke University
Other
Eligibility
5 Years to 12 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Jul 23, 2026, 6:33 AM EDT
Recruiting Phase 2 Interventional

Study to Evaluate Sotatercept (MK-7962) in Children With Pulmonary Arterial Hypertension (PAH) (MK-7962-008)

NCT05587712
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sotatercept
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
1 Year to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
10
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Jul 23, 2026, 6:33 AM EDT
Enrolling by invitation No phase listed Observational

International Registry of Congenital Portosystemic Shunt (IRCPSS)

NCT06041906
View directory record Official record
Conditions
Congenital Portosystemic Shunt, CPSS (Congenital Portosystemic Shunt)
Interventions
Shunt Closure
Procedure
Lead sponsor
Prof. Valérie Mc Lin
Other
Eligibility
1 Day and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
2
States / cities
New Haven, Connecticut • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 17, 2025 · Synced Jul 23, 2026, 6:33 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study of Selexipag as Add-On Treatment to Standard of Care in Children With Pulmonary Arterial Hypertension

NCT04175600
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Selexipag, Placebo, Standard of Care (SOC): Endothelin receptor antagonist, SOC: Phosphodiesterase type 5 (PDE-5) inhibitor, SOC: Soluble guanylate cyclase stimulator
Drug
Lead sponsor
Actelion
Industry
Eligibility
2 Years to 17 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
13
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 23, 2026, 6:33 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Sedation With Dexmedetomidine During Cardiac Catheterization

NCT01072643
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Dexmedetomidine
Drug
Lead sponsor
Aruna Nathan
Other
Eligibility
8 Years to 21 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Jul 23, 2026, 6:33 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Hydroxyurea for Children and Young Adults With Sickle Cell Disease and Pulmonary Hypertension

NCT00350844
View directory record Official record
Conditions
Sickle Cell Disease, Pulmonary Hypertension
Interventions
Hydroxyurea
Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
10 Years to 25 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Jul 23, 2026, 6:33 AM EDT
Completed Phase 3 Interventional Results available

A Long Term Extension Study Evaluating Safety Of Sildenafil Citrate When Used To Treat Pulmonary Arterial Hypertension (PAH) In Children

NCT00159874
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Sildenafil citrate
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
1 Year to 17 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
11
States / cities
Palo Alto, California • Stanford, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2021 · Synced Jul 23, 2026, 6:33 AM EDT
Completed No phase listed Observational

Preserving Kidney Function in Children With Chronic Kidney Disease

NCT05169411
View directory record Official record
Conditions
Chronic Kidney Disease Stage 2, Chronic Kidney Disease Stage 3, Pediatric Kidney Disease
Interventions
Blood pressure, Urine protein
Diagnostic Test
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Year to 17 Years
Enrollment
20,240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 15, 2024 · Synced Jul 23, 2026, 6:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Frailty in Children With Cardiac Disease

NCT02999438
View directory record Official record
Conditions
Pulmonary Hypertension, Heart Failure, Single Ventricle
Interventions
Actigraph to check activity levels at home
Device
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 18 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Jul 23, 2026, 6:33 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Outcomes Mandate National Integration With Cannabis as Medicine

NCT03944447
View directory record Official record
Conditions
Chronic Pain, Chronic Pain Syndrome, Chronic Pain Due to Injury, Chronic Pain Due to Trauma, Fibromyalgia, Seizures, Hepatitis C, Cancer, Crohn Disease, HIV/AIDS, Multiple Sclerosis, Traumatic Brain Injury, Sickle Cell Disease, Post Traumatic Stress Disorder, Tourette Syndrome, Ulcerative Colitis, Glaucoma, Epilepsy, Inflammatory Bowel Diseases, Parkinson Disease, Amyotrophic Lateral Sclerosis, Chronic Traumatic Encephalopathy, Anxiety, Depression, Insomnia, Autism, Opioid-use Disorder, Bipolar Disorder, Covid19, SARS-CoV Infection, COVID-19, Corona Virus Infection, Coronavirus
Interventions
Cannabis, Medical, RYAH-Medtech Inhaler
Drug · Device
Lead sponsor
OMNI Medical Services, LLC
Network
Eligibility
7 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
17
States / cities
Boca Raton, Florida • Bradenton, Florida • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Jul 23, 2026, 6:33 AM EDT
Completed No phase listed Observational

Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care

NCT01431326
View directory record Official record
Conditions
Adenovirus, Anesthesia, Anxiety, Anxiolysis, Autism, Autistic Disorder, Bacterial Meningitis, Bacterial Septicemia, Benzodiazepine, Bipolar Disorder, Bone and Joint Infections, Central Nervous System Infections, Convulsions, Cytomegalovirus Retinitis, Early-onset Schizophrenia Spectrum Disorders, Epilepsy, General Anesthesia, Gynecologic Infections, Herpes Simplex Virus, Infantile Hemangioma, Infection, Inflammation, Inflammatory Conditions, Intra-abdominal Infections, Lower Respiratory Tract Infections, Migraines, Pain, Pneumonia, Schizophrenia, Sedation, Seizures, Skeletal Muscle Spasms, Skin and Skin-structure Infections, Treatment-resistant Schizophrenia, Urinary Tract Infections, Withdrawal, Sepsis, Gram-negative Infection, Bradycardia, Cardiac Arrest, Cardiac Arrhythmia, Staphylococcal Infections, Nosocomial Pneumonia, Neuromuscular Blockade, Methicillin Resistant Staphylococcus Aureus, Endocarditis, Neutropenia, Headache, Fibrinolytic Bleeding, Pulmonary Arterial Hypertension, CMV Retinitis, Hypertension, Chronic Kidney Diseases, Hyperaldosteronism, Hypokalemia, Heart Failure, Hemophilia, Heavy Menstrual Bleeding, Insomnia
Interventions
The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
Up to 21 Years
Enrollment
3,520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
43
States / cities
Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Jul 23, 2026, 6:33 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)

NCT04278404
View directory record Official record
Conditions
Coronavirus Infection (COVID-19), Pulmonary Arterial Hypertension, Urinary Tract Infections in Children, Hypertension, Pain, Hyperphosphatemia, Primary Hyperaldosteronism, Edema, Hypokalemia, Heart Failure, Hemophilia, Menorrhagia, Insomnia, Pneumonia, Skin Infection, Arrythmia, Asthma in Children, Bronchopulmonary Dysplasia, Adrenal Insufficiency, Fibrinolysis; Hemorrhage, Attention Deficit Hyperactivity Disorder, Multisystem Inflammatory Syndrome in Children (MIS-C), Kawasaki Disease, Coagulation Disorder, Down Syndrome
Interventions
The POP02 study is collecting bodily fluid samples (i.e., whole blood, effluent samples) of children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Duke University
Other
Eligibility
0 Years to 20 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
48
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Jul 23, 2026, 6:33 AM EDT
Terminated Phase 2 Interventional Results available

Safety Study of Gleevec® in Children With Pulmonary Hypertension

NCT00583115
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Gleevec
Drug
Lead sponsor
Indiana University
Other
Eligibility
8 Years to 18 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 28, 2015 · Synced Jul 23, 2026, 6:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Observational Study of Actigraphy in Pediatric Pulmonary Arterial Hypertension

NCT04745000
View directory record Official record
Conditions
Hypertension;Pulmonary;Primary
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 6 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Jul 23, 2026, 6:33 AM EDT
Terminated Phase 2 Interventional Results available

Efficacy and Safety of Ambrisentan in Children 8-18yrs

NCT01332331
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
Ambrisentan - low dose, Ambrisentan - high dose
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
8 Years to 18 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Aurora, Colorado • Boston, Massachusetts • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Jul 23, 2026, 6:33 AM EDT
Completed Phase 3 Interventional

Intravenous L-Citrulline to Treat Children Undergoing Heart Bypass Surgery

NCT00335244
View directory record Official record
Conditions
Heart Defects, Congenital, Hypertension, Pulmonary
Interventions
L-citrulline, Placebo of intravenous L-citrulline
Drug
Lead sponsor
Asklepion Pharmaceuticals, LLC
Industry
Eligibility
Up to 17 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 1, 2015 · Synced Jul 23, 2026, 6:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Implementation of an Asthma Program to Improve Asthma Identification and Education in Children

NCT01692080
View directory record Official record
Conditions
Asthma, Hypertension, Obesity
Interventions
Asthma education
Behavioral
Lead sponsor
Duquesne University
Other
Eligibility
5 Years to 17 Years
Enrollment
231 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2013 · Synced Jul 23, 2026, 6:33 AM EDT