Immunogenicity, Safety, and Efficacy of Zarzio®/Filgrastim HEXAL® in Patients With Severe Chronic Neutropenia May 27, 2020checkorphan Learn more about: Chronic neutropenia Related Clinical Trial ANF-Rho in the Treatment of Chronic Neutropenia Immunogenicity, Safety, and Efficacy of Zarzio®/Filgrastim HEXAL® in Patients With Severe Chronic Neutropenia Study of Ezatiostat (Telintra Tablets) for Treatment of Severe Chronic Neutropenia Recruitment InformationAdministrative Informations