Onoda K, Takai K, Sanada M, Aoki S, Watanabe T
Department of Hematology, Niigata City General Hospital.
Rinsho Ketsueki. 1992 Jun;33(6):844-6.
A 47-year-old male case of IgG-kappa type multiple myeloma was treated with VMCP and recombinant human alpha-interferon (IFN-alpha 2a). The direct Coombs test was positive before treatment. Hemolytic anemia associated with massive hematuria was observed during the administration of 9 million IU IFN-alpha 2a per day for 2 weeks. The hemolytic symptoms rapidly improved after withdrawal of IFN-alpha 2a. This clinical course suggests that IFN-alpha as an immunomodulator was responsible for the progression of autoimmune hemolytic anemia in a case of multiple myeloma.