This is a multicenter, randomized, double-blind, placebo-controlled, parallel-group study to evaluate the efficacy and safety of Rentosertib (INS018\_055) administered orally in Patients with Idiopathic Pulmonary Fibrosis.
The purpose of this study is to evaluate if Rentosertib (INS018\_055) works to treat patients with Idiopathic Pulmonary Fibrosis in adults. It will also learn about the safety of Rentosertib (INS018\_055).
In this study, Rentosertib (INS018\_055) will be compared to a placebo (a look-alike substance that contains no drug) to investigate if Rentosertib (INS018\_055) works to treat Idiopathic Pulmonary Fibrosis.