Janssen stops Phase 3 trial testing high-dose Opsumit in CTEPH
A Phase 3 clinical trial testing high-dose Opsumit (macitentan) in people with chronic thromboembolic pulmonary hypertension (CTEPH) has ended early after an analysis showed the treatment is unlikely to help patients. The announcement was made in a press release from Janssen, the company that markets Opsumit. Opsumit…