Abstract: The invention concerns an oral pharmaceutical composition comprising either 18 mg or 9 mg of the PDE4B-inhibitor of formula III a therapeutically effective dose of a second active agent selected from the group consisting of nintedanib or pirfenidone and optionally, one or more pharmaceutically acceptable carriers or excipients for the treatment of a patient suffering from a progressive fibrosing interstitial lung disease (PF-ILD), wherein this oral pharmaceutical composition is to be administered to said patient twice daily.

Abstract: The invention concerns an oral pharmaceutical composition comprising either 18 mg or 9 mg of the PDE4B-inhibitor of formula III a therapeutically effective dose of a second active agent selected from the group consisting of nintedanib or pirfenidone and optionally, one or more pharmaceutically acceptable carriers or excipients for the treatment of a patient suffering from a progressive fibrosing interstitial lung disease (PF-ILD), wherein this oral pharmaceutical composition is to be administered to said patient twice daily.

Abstract: The invention concerns an oral pharmaceutical composition consisting essentially of the PDE4B-inhibitor of formula III in the dose of 18 mg or 9 mg and optionally of one or more pharmaceutically acceptable carriers or excipients for use in the treatment of a patient suffering from one or more progressive fibrosing interstitial lung diseases (PF-ILD), wherein this oral pharmaceutical composition is to be administered to the patient twice daily. The invention further concerns oral pharmaceutical compositions comprising the PDE4B-inhibitor of formula III in the dose of 18 mg or 9 mg and a therapeutically effective dose of a second active ingredient selected from nintedanib or pirfenidone, wherein these oral pharmaceutical compositions are administered to the patient twice daily.