Pulmonary Hypertension (PH) is a serious and progressive group of conditions with various causes and no cure. There are five groups of PH, as defined by the World Health Organization (WHO), and they are characterized by increased blood pressure in the lungs.
Janssen’s focus has been on a specific, rare form of PH (WHO Group 1) called pulmonary arterial hypertension (PAH), but our research covers all groups of PH.