Conditions: Pulmonary Arterial Hypertension
Keywords: pulmonary arterial hypertension inhaled treatment inhalation solution iloprost Ventavis
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 49
Healthy volunteers: no

Brief summary:
Patients with symptomatic idiopathic (IPAH) or familial (FPAH) pulmonary arterial hypertension in New York Heart Association (NYHA) class II to IV , naive to PAH treatment or currently being treated with a stable dose of either bosentan or sildenafil and who complete PROWESS 15 will be enrolled in the PROWESS 15 Extension study. This is a double-blind (12 week), randomized study to compare the safety and tolerability of inhaled iloprost power disc-15 and power disc-6 in patients with symptomatic pulmonary arterial hypertension (PAH). After completion of the double blind period, patients will be entered in the open label period using iloprost power disc-15.

Detailed description:

Arms:
arm 1: iloprost power 15 arm 2: iloprost power 15

Interventions: intervention 1: iloprost intervention 2: iloprost
Intervention descriptions: intervention 1: Iloprost 5 mcg delivered by I-neb(R) adaptive aerosol delivery (AAD)(R) System power disc-6 administered 6 to 9 times per day for 12 weeks. If patient enters open label follow-up period, iloprost 5 mcg delivered by I-neb(R)AAD(R) System power disc-15 administered 6 to 9 times per day until the end of study. intervention 2: Iloprost 5 mcg delivered by I-neb(R)AAD(R) System power disc-15 administered 6 to 9 times per day for 12 weeks. If patient enters open label follow-up period, iloprost 5 mcg delivered by I-neb(R)AAD(R) System power disc-15 administered 6 to 9 times per day until the end of study.

Protocol document: