Phase I studies of BI 1015550, a preferential phosphodiesterase 4B inhibitor, in healthy males and patients with idiopathic pulmonary fibrosis. Science ShareTwitterFacebookXingLinkedin You May Also Like Science 30. Januar 2023 Bioequivalence of macitentan and tadalafil given as fixed-dose combination or single-component tablets in healthy subjects. Science 30. Januar 2023 Midazolam microdosing applied in early clinical development for drug-drug interaction assessment. Science 30. Januar 2023 The effects of vilaprisan on the pharmacodynamics and pharmacokinetics of a combined oral contraceptive – A randomized controlled trial.