The purpose of the study is to assess the effects of selexipag on right ventricular (RV) function in participants with Pulmonary arterial hypertension (PAH).
Participants will receive tablets at a starting dose of 200 mcg on Day 1. Dose will be up-titrated from Day 1 to the end of Week 12 (Day 84) to determine individual maintenance dose (IMD). Then, participants will receive JNJ-67896049 tablets at their IMD from Week 13 to Week 52.
Caba, Argentina
Caba, Argentina
Ciudad Autonoma Buenos Aires, Argentina