BI 765423

A Study to Test How Different Doses of BI 765423 Are Taken up in the Body of Healthy Men

A Study to Test How Well Multiple Doses of BI 765423 Are Tolerated by Healthy Men

A Study to Find Out Whether BI 765423 Has an Effect on Lung Function in People With Idiopathic Pulmonary Fibrosis (IPF) With or Without Standard Treatment

A double-blind, randomised, placebo-controlled, parallel group, Phase IIa trial to evaluate safety, tolerability, pharmacokinetics, pharmacodynamics, and efficacy of BI 765423 administered intravenously with or without standard of care in patients with idiopathic pulmonary fibrosis