Study Status: Terminated
Recruit Status: Terminated
Study Type: Interventional
Official Title: An Open-label, Long-term Safety Evaluation of Terbogrel in Patients With Primary Pulmonary Hypertension
Brief Summary: Study to assess the safety of terbogrel during open-label, long-term treatment in medically stable or improving patients with primary pulmonary hypertension who have completed the 12-week, double-blind randomized trial of terbogrel (protocol 528.19)