Immunoglobulin G replacement for the treatment of infective complications of rituximab-associated hypogammaglobulinemia in autoimmune disease: A case series

IgG monitoring is useful for patients receiving rituximab. IgG replacement for sustained hypogammaglobulinemia with recurrent infections appeared to be useful in this series. The IgG replacement course is prolonged in most patients, but IgG recovery is reported.