Bayer says lung drug shows promise in prolonged trial

FRANKFURT (Reuters) – Bayer said extended use of its experimental riociguat pill to treat a life-threatening form of high blood pressure in the lungs was shown to be safe and effective in a prolonged trial. In the extension of a late-stage trial, the drug was shown to help people suffering from pulmonary arterial hypertension (PAH), a progressively worsening condition that can overburden the heart, to better tolerate physical exercise. It said that side effects, including headache, dizziness, indigestion and low blood pressure, were tolerable. …