AUTHOR=Herrmann Franziska Elena , Hesslinger Christian , Wollin Lutz , Nickolaus Peter TITLE=BI 1015550 is a PDE4B Inhibitor and a Clinical Drug Candidate for the Oral Treatment of Idiopathic Pulmonary Fibrosis JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.838449 DOI=10.3389/fphar.2022.838449 ISSN=1663-9812 ABSTRACT=Graphical Abstract