Press release content from Business Wire. The AP news staff was not involved in its creation. ENHERTU® Approved in the EU for the Treatment of HER2 Positive Metastatic Breast Cancer January 20, 2021 GMT Daiichi Sankyo Company, Limited (hereafter, Daiichi Sankyo) and AstraZeneca’s ENHERTU ® (trastuzumab deruxtecan) has been granted conditional approval in the European Union (EU) as a monotherapy for the treatment of adult patients with unresectable or metastatic HER2 positive breast cancer who have received two or more prior anti-HER2 based regimens. In Europe, approximately 531,000 cases of breast cancer in women are diagnosed annually, with an estimated one in five cases being HER2 positive. 1,2,3 The impact of the disease is significant, with breast cancer responsible for more than 141,000 deaths per year in Europe. 1