11 RCTs (4,329 pts) & 19 registries (9,739 pts) studied Rx efficacy in CTD pts w/ pulmonary HTN. Overall, Rx (Sildenafil, Treprostinil, Bosentan, etc) reduced mortality 36% vs controls. CTD‐PAH survival was lower (52% v 72%) vs PAH; higher after 2010 https://t.co/IFb3nLiJbL