B-cell depletion w/ RTX ttmt is FcγR dependant & affected by FcγRs variants 🧬 FCGR3A-158V: *encodes the allotype ⬆️ affinity for IgG1 *is associated w/ clinical and biological responses in RA and SLE. A new way to stratify pts for anti-CD20 therapy? @Yuz6Yusof #EULAR2022 OP0190 https://t.co/GPiaQXaF71