Stopped: Study was terminated early for strategic reasons. Only Part I of the study was completed.
This is a long-term open-label safety extension to the Phase 2a study of inhaled QCC374 in adult patients with PAH. This study provides the patients who completed the QCC374X2201 study with the option to continue receiving QCC374. The study will monitor the long-term safety, tolerability and efficacy of QCC374 in patients with PAH.
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Number of Participants Who Experienced Adverse Events (AEs), Serious Adverse Events (SAEs) in Patients With PAH Over a Two Year Period
Timeframe: Two years