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72 studies found for:    Pulmonary Hypertension | Open Studies | NIH, U.S. Fed

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Rank Status Study
1 Recruiting Secondary Pulmonary Hypertension in Adults With Sickle Cell Anemia
Conditions: Pulmonary Hypertension;   Sickle Cell Anemia
Intervention:
2 Recruiting Study of Sildenafil to Treat Newborns With Persistent Pulmonary Hypertension
Conditions: Persistent Pulmonary Hypertension;   Respiratory Failure
Interventions: Drug: Intravenous Sildenafil;   Other: Placebo
3 Recruiting Aerobic Exercise in Patients With Pulmonary Hypertension
Condition: Hypertension, Pulmonary
Interventions: Procedure: Excerise Training;   Procedure: Patient Education (Placebo)
4 Recruiting Anticoagulation For Pulmonary Hypertension in Sickle Cell Disease
Condition: Pulmonary Hypertension
Intervention: Drug: Warfarin
5 Unknown † Genetic and Environmental Characteristics of Primary Pulmonary Hypertension
Conditions: Lung Diseases;   Hypertension, Pulmonary
Intervention:
6 Recruiting Pharmacogenomics in Pulmonary Arterial Hypertension
Conditions: Pulmonary Arterial Hypertension;   Pulmonary Hypertension;   PAH WHO Group I
Interventions: Drug: Sitaxsentan;   Drug: Bosentan, Ambrisentan
7 Recruiting PAHTCH (Carvedilol)
Condition: Pulmonary Hypertension
Interventions: Drug: Carvedilol;   Drug: Carvedilol placebo
8 Recruiting Examining the Use of Non-Invasive Inhaled Nitric Oxide to Reduce Chronic Lung Disease in Premature Newborns
Condition: Bronchopulmonary Dysplasia
Interventions: Drug: Inhaled Nitric Oxide (iNO);   Drug: Nitrogen (placebo)
9 Not yet recruiting Ex-vivo Perfusion and Ventilation of Lungs Recovered From Non-Heart-Beating Donors to Assess Transplant Suitability
Conditions: Emphysema;   Chronic Obstructive Pulmonary Disease (COPD);   Cystic Fibrosis;   Pulmonary Fibrosis;   Bronchiectasis;   Sarcoidosis;   Pulmonary Hypertension;   Alpha-1 Antitrypsin Deficiency
Interventions: Procedure: Transplantation of lungs obtained from Non-Heart-Beating Donors (NHBDs) after ex-vivo perfusion w/ STEEN Solution™;   Device: STEEN Solution™
10 Recruiting Effects of Spironolactone on Collagen Metabolism in Patients With Pulmonary Arterial Hypertension
Condition: Pulmonary Hypertension
Interventions: Drug: Spironolactone;   Drug: Placebo
11 Recruiting Pharmacokinetics of Sildenafil in Premature Infants
Condition: Persistent Pulmonary Hypertension of the Newborn
Intervention: Drug: 1 dose of sildenafil
12 Recruiting Natural History of Sickle Cell Disease and Other Hemolytic Disorders
Conditions: Hemoglobin SC Disease;   Hematologic Diseases;   Sickle Cell Anemia;   Hemolytic Anemia
Intervention:
13 Recruiting Natural History Study of Biomarkers in Pulmonary Arterial Hypertension
Conditions: Pulmonary Disease;   Pulmonary Hypertension
Intervention:
14 Recruiting Real-time MRI Right Heart Catheterization Using Passive Catheters
Conditions: Caridovascular Disease;   Congenital Heart Disease;   Pulmonary Hypertension
Interventions: Device: Balloon catheter for right heart catheterization;   Drug: Gadopentate Dimeglumine (Gadolinium); Contrast Agent;   Procedure: Right Heart Catheterization;   Procedure: Cardiac Real-time MRI;   Procedure: Vascular Hemostasis
15 Recruiting A Clinical Trial of Ambrisentan and Tadalafil in Pulmonary Arterial Hypertension Associated With Systemic Sclerosis
Conditions: Pulmonary Arterial Hypertension;   Systemic Sclerosis;   Scleroderma Spectrum of Diseases;   Connective Tissue Disease;   Pulmonary Hypertension
Interventions: Drug: Tadalafil monotherapy;   Drug: Ambrisentan monotherapy;   Drug: tadalafil and ambrisentan
16 Unknown † Clevidipine for Vasoreactivity Evaluation of the Pulmonary Arterial Bed
Condition: Hypertension, Pulmonary
Intervention: Drug: Clevidipine
17 Recruiting Spironolactone for Pulmonary Arterial Hypertension
Condition: Pulmonary Arterial Hypertension
Interventions: Drug: Spironolactone;   Drug: Placebo
18 Unknown † Effects of Viagra on Heart Function in Patients With Heart Failure
Conditions: Heart Failure;   Left Ventricular Dysfunction
Intervention: Drug: sildenafil
19 Recruiting SCOT Scleroderma Treatment Alternative Registry (STAR Registry)
Conditions: Scleroderma, Systemic;   Sclerosis
Intervention: Behavioral: Telephone Call
20 Recruiting Pulmonary Vascular Changes in Early Chronic Obstructive Pulmonary
Condition: Chronic Obstructive Pulmonary Disease
Intervention:
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† Indicates status has not been verified in more than two years