#lupus Phase 1 data #EULAR2023 humanised, afucosyl IgG1 antibody against CXCR5 – receptor on B cells and bonafide T follicular helper(Tfh) and circulating T follicular helper-like(cTfh) cells – Potent, tolerated and caused depletion of cells in SLE and RA. Abst#AB0511 @rheumnow