Clinical Research Directory

Inclusion Criteria: * Male or female patients aged ≥40 years at the time of signing the written informed consent form * Diagnosis of idiopathic pulmonary fibrosis (IPF) as defined by American Thoracic Society/European Respiratory Society/Japanese Respiratory Society/ Asociación Latinoamericana de Tórax IPF guidelines within 5 years * Combination of High-Resolution Computerized Tomography (HRCT) pattern, and if available, surgical lung biopsy pattern consistent with diagnosis of IPF * In a stable condition and suitable for study participation based on the results of medical history, physical examination, vital signs, 12-lead ECG, and laboratory evaluation * Forced vital capacity (FVC) ≥45% predicted of normal * Lung diffusion test (DLCO) corrected for hemoglobin (Hgb) ≥30% and ≤80% predicted of normal. * Women and men of childbearing potential must use highly effective contraception measures until 90 days after the last dose of study drug. Exclusion Criteria: * Current treatment with oral nintedanib, oral pirfenidone, or previous treatment with oral nintedanib or oral pirfenidone within 3 months prior to screening. Participants who have taken both oral nintedanib and pirfenidone together as a treatment will not be able to join the study. * Forced expiratory volume (FEV) in the first second/FVC (FEV1/FVC) ratio ≥0.7 based on pre-bronchodilator value * Participants with a history of serious cardiovascular disease, bleeding problems or significant liver or kidney disease (as defined in the study protocol) * History of diverticular disease or abdominal surgery within 4 weeks prior to screening visit * History of cancer within the past 5 years (except for certain types explained in the protocol) * Participants who have smoked within the past 3 months prior to screening, who are not willing to stop smoking during the study, or who currently use illegal drugs or drugs of abuse * Female participants who are pregnant or nursing * Use of any investigational drugs including those for IPF within the past 30 days prior to screening Further inclusion/exclusion criteria apply