Rozanolixizumab is an anti-human neonatal Fc receptor humanized immunoglobulin (Ig) G4 monoclonal antibody that reduces IgG, including pathogenic IgG autoantibodies. Rozanolixizumab safety and tolerability have been assessed in previous clinical studies with predominantly White participants. We assessed safety, tolerability, pharmacokinetics, and pharmacodynamics of single doses of rozanolixizumab in healthy Japanese and Chinese participants compared with White participants.
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