Solasia Pharma K.K. (TOKYO:4597, Headquarters: Tokyo, Japan, President & CEO: Yoshihiro Arai, hereinafter “Solasia”) officially announced today that an organoarsenic drug “DARVIAS® Injection 135mg” (SP-02, hereinafter DARVIAS®) has been launched today in Japan for use in relapsed or refractory Peripheral T-Cell Lymphoma. DARVIAS® will be commercialized by Nippon Kayaku Co., Ltd. (TOKYO:4272, Headquarters: Tokyo, Japan, President: Atsuhiro Wakumoto).