Actelion Pulls Requests for Opsumit to Treat Inoperable CTEPH to Gather More Data
Actelion Pharmaceuticals has withdrawn all ongoing worldwide requests for expanded approval of Opsumit (macitentan), a pulmonary arterial hypertension (PAH) medicine, to treat adults with inoperable chronic thromboembolic pulmonary hypertension (CTEPH). The decision was not driven by any safety concerns, Actelion, one of …