Sanofi’s rilzabrutinib earns orphan drug designation in Japan for IgG4-related disease
The Ministry of Health, Labour and Welfare (MHLW) in Japan has granted orphan drug designation to rilzabrutinib, a novel, oral, reversible covalent Bruton’s tyrosine kinase (BTK) inhibitor, for IgG4-related disease (IgG4-RD).











