Chronic Rhinosinusitis With Nasal Polyposis

This is an open-label, single-arm, multicenter, extension study to evaluate the safety and efficacy of CM512 in patients With Chronic Rhinosinusitis with Nasal Polyposis

This is a multi-center, randomized, double blind, placebo-controlled Phase II study to evaluate the efficacy and safety of CM512, and to observe the life quality of subjects, the Pharmacokinetics, Pharmacodynamics and immunogenicity of CM512 in patients with chronic rhinosinusitis with nasal polyposis (CRSwNP).