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Prospective, randomized, placebo-controlled, double-blind, multicenter, parallel-group, 24-week study to assess the efficacy, safety and tolerability of macitentan in subjects with inoperable chronic thromboembolic pulmonary hypertension

Approved WMORecruitment stopped

Primary objective* To evaluate the effect of macitentan 10 mg on pulmonary vascular resistance (PVR) at rest in comparison with placebo in subjects with inoperable chronic thromboembolic pulmonary hypertension (CTEPH).Secondary objectives* To…

Long term, multicenter, single-arm, open-label extension study of the MERIT-1 study, to assess the safety, tolerability and efficacy of macitentan in subjects with inoperable chronic thromboembolic pulmonary hypertension (CTEPH)

Approved WMOCompleted

Safety objective:• To evaluate the long-term safety and tolerability of macitentan 10 mg in subjects withinoperable CTEPH.Efficacy objectives:• To evaluate the long term effects of macitentan 10 mg on exercise capacity andfunctional class (FC).