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ClinicalTrials.gov public records Last synced Oct 26, 2026, 7:24 AM EDT

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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Ayerza Syndrome Clear all
Terminated Phase 2 Interventional

PRIMEx - A Study of 2 Doses of Oral CXA-10 in Pulmonary Arterial Hypertension (PAH)

NCT03449524
View directory record Official record
Conditions
PAH
Interventions
75mg CXA-10, 150mg CXA-10, Placebo
Drug · Other
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Oct 26, 2026, 7:24 AM EDT
Terminated Not applicable Interventional Results available

Heart Catheterization Using Magnetic Resonance Imaging (MRI) Fluoroscopy and Passive Guidewires

NCT03152773
View directory record Official record
Conditions
Pulmonary Artery Hypertension, Congenital Heart Disease, Structural Heart Disease
Interventions
MRI Heart guidewire catheterization
Diagnostic Test
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 26, 2026, 7:24 AM EDT
Completed No phase listed Observational

Genetic and Environmental Characteristics of Primary Pulmonary Hypertension

NCT00091546
View directory record Official record
Conditions
Lung Diseases, Hypertension, Pulmonary
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
Up to 100 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Oct 26, 2026, 7:24 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Hormonal, Metabolic, and Signaling Interactions in PAH

NCT01884051
View directory record Official record
Conditions
Idiopathic Pulmonary Arterial Hypertension, Heritable Pulmonary Arterial Hypertension, Scleroderma Associated Pulmonary Arterial Hypertension, Appetite Suppressant Associate PAH
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
Up to 90 Years
Enrollment
1,899 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2032
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 26, 2026, 7:24 AM EDT
Completed Phase 2 Interventional

Study of BSF 208075 Evaluating Exercise Capacity in Patients With Pulmonary Arterial Hypertension

NCT00046319
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
BSF 208075
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
15
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2009 · Synced Oct 26, 2026, 7:24 AM EDT
Completed Not applicable Interventional Results available

A Mobile Health Intervention in Pulmonary Arterial Hypertension

NCT03069716
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Arterial Hypertension, Heritable Pulmonary Arterial Hypertension, Associated Pulmonary Arterial Hypertension
Interventions
Smartphone Text Messaging, Fitbit Charge HR
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 25, 2021 · Synced Oct 26, 2026, 7:24 AM EDT
Withdrawn Not applicable Interventional

Efficacy Study of Cardizem in Pulmonary Arterial Hypertension

NCT01645826
View directory record Official record
Conditions
Idiopathic Pulmonary Arterial Hypertension, Primary Pulmonary Hypertension, Pulmonary Arterial Hypertension, Familial Primary Pulmonary Hypertension
Interventions
Diltiazem Hydrochloride, Sugar Pill
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Oct 26, 2026, 7:24 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Measurements and Characterization of Doppler Signals From the Right Chest in Pediatric and Adult Patients

NCT01913457
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Ultrasound Doppler
Radiation
Lead sponsor
Echosense Ltd.
Industry
Eligibility
Not listed
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
2
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Oct 26, 2026, 7:24 AM EDT
Completed No phase listed Observational

Cardiac Assessment by PV Loop in IPAH and Scleroderma PAH

NCT04610788
View directory record Official record
Conditions
Scleroderma, Pulmonary Artery Hypertension
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 26, 2026, 7:24 AM EDT
Withdrawn Phase 4 Interventional

Pulmonary Arterial Hypertension Secondary to Idiopathic Pulmonary Fibrosis and Treatment With Bosentan

NCT00625469
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Fibrosis
Interventions
bosentan
Drug
Lead sponsor
Rajan Saggar
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2018 · Synced Oct 26, 2026, 7:24 AM EDT
Withdrawn No phase listed Observational

Pharmacogenomics in Pulmonary Arterial Hypertension

NCT00593905
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Pulmonary Hypertension, PAH WHO Group I
Interventions
Sitaxsentan, Bosentan, Ambrisentan
Drug
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Oct 26, 2026, 7:24 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 10, 2023 · Synced Oct 26, 2026, 7:24 AM EDT
Recruiting No phase listed Observational

Pulmonary Hypertension Biorepository and Registry

NCT04808596
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension, Pulmonary Hypertension Due to Left Heart Disease, Pulmonary Hypertension, Primary, Pulmonary Hypertension Due to Lung Diseases and Hypoxia, Pulmonary Hypertension, Primary, 4, Pulmonary Hypertension, Primary, 2, Pulmonary Hypertension, Primary, 3, Chronic Thromboembolic Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Timeline
2020 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2025 · Synced Oct 26, 2026, 7:24 AM EDT
Terminated Phase 2 Interventional

CXA-10 Study in Subjects With Pulmonary Arterial Hypertension

NCT04053543
View directory record Official record
Conditions
PAH
Interventions
CXA-10
Drug
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Anaheim, California + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2020 · Synced Oct 26, 2026, 7:24 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Role of Endothelin in Pulmonary Hypertension

NCT00759408
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
BQ-123
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Oct 26, 2026, 7:24 AM EDT
Completed Phase 3 Interventional Results available

Investigation of the Safety and Pharmacology of Dry Powder Inhalation of Treprostinil

NCT03399604
View directory record Official record
Conditions
Primary Pulmonary Hypertension
Interventions
LIQ861 Inhaled Treprostinil
Drug
Lead sponsor
Liquidia Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
38
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Oct 26, 2026, 7:24 AM EDT
Completed Phase 1 Interventional Results available

Carnitine Consumption and Augmentation in Pulmonary Arterial Hypertension

NCT04908397
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Familial Primary Pulmonary Hypertension, Primary Pulmonary Hypertension, Lung Diseases, Carnitine Nutritional Deficiency
Interventions
L-carnitine
Dietary Supplement
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 26, 2026, 7:24 AM EDT
Completed No phase listed Observational

Vascular Subphenotypes of Lung Disease in HIV & COPD

NCT01581086
View directory record Official record
Conditions
Pulmonary Artery Hypertension
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 26, 2026, 7:24 AM EDT
Recruiting Phase 3 Interventional

EVE TRIAL , ALMA SYSTAM

NCT06646653
View directory record Official record
Conditions
Postpartum Haemorrhage (PPH), PPH, Postpartum Hemorrhage (Primary)
Interventions
Alma System
Device
Lead sponsor
ResQ Medical Ltd
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 26, 2026, 7:24 AM EDT
Withdrawn Phase 1 Interventional

A Study of Stellate Ganglion Block and / or Reserpine in Group 2 Pulmonary Hypertension

NCT02684786
View directory record Official record
Conditions
Pulmonary Artery Hypertension
Interventions
reserpine, stellate ganglion block, lidocaine
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Oct 26, 2026, 7:24 AM EDT
Enrolling by invitation Phase 3 Interventional

A Study Evaluating the Long-Term Efficacy and Safety of Ralinepag in Subjects With PAH Via an Open-Label Extension

NCT03683186
View directory record Official record
Conditions
PAH, Pulmonary Hypertension, Pulmonary Arterial Hypertension, Hypertension, Connective Tissue Diseases, Familial Primary Pulmonary Hypertension, Vascular Diseases, Cardiovascular Diseases, Hypertension, Pulmonary, Lung Diseases, Respiratory Tract Disease
Interventions
Ralinepag
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
48
States / cities
Phoenix, Arizona • Tucson, Arizona • La Jolla, California + 38 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 26, 2026, 7:24 AM EDT
Completed Phase 2 Interventional

Trial of Iloprost Inhaled Solution as Add-On Therapy With Bosentan in Subjects With Pulmonary Arterial Hypertension (PAH)

NCT00086463
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Ayerza Syndrome, Pulmonary Hypertension
Interventions
Iloprost or placebo
Drug
Lead sponsor
Actelion
Industry
Eligibility
12 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
17
States / cities
Birmingham, Alabama • La Jolla, California • Palo Alto, California + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2011 · Synced Oct 26, 2026, 7:24 AM EDT
Completed Phase 4 Interventional

Characterization of LV Strain Patterns in Mildly Elevated PCWP and PAH.

NCT01800292
View directory record Official record
Conditions
Hypertension, Pulmonary Artery, Ventricular Dysfunction, Left
Interventions
sildenafil
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 4, 2015 · Synced Oct 26, 2026, 7:24 AM EDT
Recruiting Not applicable Interventional

Right Ventricular Pacing in Pulmonary Arterial Hypertension

NCT04194632
View directory record Official record
Conditions
Pulmonary Artery Hypertension, Right Ventricular Dysfunction
Interventions
Temporary right ventricular pacing
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 26, 2026, 7:24 AM EDT