A Randomized Trial of Udenafil Therapy in Patients With Mild Pulmonary Hypertension [ULTIMATE-Mild PHT]
Mild Pulmonary Hypertension
About this trial
This is an interventional treatment trial for Mild Pulmonary Hypertension focused on measuring Pulmonary Hypertension, Exercise Capacity, Cardiopulmonary Exercise Test, Udenafil (Zydena), Phosphodiesterase Type 5 Inhibitors
Eligibility Criteria
Inclusion Criteria:
- Mild pulmonary hypertension defined as estimated pulmonary arterial systolic pressure of 30-50 mmHg (TR jet velocity of 2.5-3.4 m/sec) with current New York Heart association (NYHA) class II-IV symptoms, left ventricular ejection fraction (LVEF) greater than or equal to 50% at the time of study entry
Exclusion Criteria:
- Hospitalization for decompensated heart failure or acute treatment with intravenous loop diuretics or hemofiltration in the 12 months before study entry
- E/E' ratio greater than or equal to 15 measured by echocardiography
- E/E' ratio greater than or equal to 8, and left atrial volume index (LAVI) greater than or equal to 40 ml/m2 measured by echocardiography
- E/E' ratio greater than or equal to 8 measured by echocardiography, and plasma BNP concentration greater or equal to 200 pg/ml
- Significant obstructive or restrictive lung disease
- Valve disease (greater than mild stenosis or regurgitation)
- Hypertrophic cardiomyopathy
- Infiltrative or inflammatory myocardial disease
- Pericardial disease
- Primary pulmonary arteriopathy
- Has neuromuscular, orthopedic, or other non-cardiac condition that prevents individual from exercise testing
- Has experienced myocardial infarction or unstable angina, or has undergone percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) within 60 days before study entry
- Non-cardiac illness with estimated life expectancy less than 1 year at the time of study entry, based on the judgment of the physician
- Current use of nitrate therapy
- Current use of other phosphodiesterase 5 inhibitors (ie. sildenafil, vardenafil, tadalafil) for treatment of impotence or pulmonary artery hypertension
- Current use of cytochrome P450 3A4 inhibitors (ie. ketoconazole, itraconazole, erythromycin, saquinavir, cimetidine, protease inhibitors for HIV)
- Severe hypotension (systolic blood pressure [SBP] less than 90mmHg or diastolic blood pressure [DBP] less than 50mmHg) or uncontrolled hypertension (SBP greater than 180mmHg or DBP greater than 100mmHg)
- Known severe renal dysfunction (estimated glomerular filtration rate [GFR] less than 30ml/min/1.73m2 by modified modification of diet in renal disease [MDRD] equation)
- Known severe liver disease (alanine transaminase [ALT] or aspartate aminotransferase [AST] level greater than three times the upper normal limit, alkaline phosphatase [ALP] or total bilirubin greater than two times the upper normal limit)
- History of leukemia, multiple myeloma or penile deformities that increase the risk for priapism (eg. Peyronie's disease)
- History of proliferative diabetic retinopathy, retinitis pigmentosa, nonischemic optic neuropathy, or unexplained visual disturbance
- Female patients currently pregnant or women of childbearing age who were not using contraception
Sites / Locations
- Seoul National University HospitalRecruiting
- Seoul National University HospitalRecruiting
Arms of the Study
Arm 1
Arm 2
Placebo Comparator
Active Comparator
Placebo
Udenafil
Capsule that is identically appearing with udenafil will be administered to patients in placebo group. For the first 4 weeks, patients will receive 50 mg of placebo drug two times a day, and then the dosage will be doubled to 100 mg two times a day for next 8 weeks.
Patients will receive 50 mg of udenafil two times a day, and then the dosage will be doubled to 100 mg two times a day for next 8 weeks.