HSK-44459

This is a phase 2, multi-center, randomised, double-blind, placebo-controlled study with an equal randomization among the HSK44459 dose 1, dose 2 and placebo treatment groups. The main objective is to evaluate of the efficacy and the secondary objective is to evaluate the safety and pharmacokinetic.

This study is open to adults with idiopathic pulmonary fibrosis who are at least 40 years old. The main objective is to evaluate of the efficacy and the secondary objective is to evaluate the safety and pharmacokinetic.