You may be eligible to take part in the Pulmonaryhypertension001 / PAH-001 clinical research study if you are:

if you are a man or woman 18 years of age or older and

have been told by your doctor that you have severe pulmonary hypertension, including idiopathic pulmonary arterial hypertension (IPAH), heritable pulmonary arterial hypertension (HPAH), drug and toxin induced PAH, or PAH associated with connective tissue disease, or congenital heart defects

your doctor classified your functional status as WHO Function Class III

Please note that there are other eligibility requirements that the study doctor will discuss with you if you are interested in participating in this study.