Eisai Co., Ltd. (Headquarters: Tokyo, CEO: Haruo Naito, “Eisai”) announced today that it has obtained manufacturing and marketing approval for the anticancer agent “Remitoro® for Intravenous Drip Infusion 300μg” (denileukin diftitox (genetic recombinant)) with the indications of relapsed or refractory Peripheral T-cell Lymphoma (PTCL) and relapsed or refractory Cutaneous T-cell Lymphoma (CTCL), in Japan.