Targovax ASA announced that it has granted an extension of 3 months to the exclusive option agreement with IOVaxis Therapeutics of Nantong, China, for clinical development and licensing of the Targovax mutant RAS vaccines TG01 and TG02 in China, Hong Kong, Macau and Singapore. On 8 January 2020 Targovax and IOVaxis announced that they had entered into an exclusive option agreement with 12-month validity for the development and commercialization of Targovax's TG vaccines in Greater China and Singapore.