Currently, there are only two FDA-approved drugs for idiopathic pulmonary fibrosis (IPF) — Ofev (nintedanib) from Boehringer Ingelheim and Esbriet (pirfenidone) from Genentech. Now, Boehringer Ingelheim is announcing the launch of the global FIBRONEER-IPF study focused on BI 1015550, an experimental phosphodiesterase 4B (PDE4B) inhibitor, in idiopathic pulmonary fibrosis (IPF). The study is part of…