UAE Approves AstraZeneca Breast Cancer Therapy Etcamah ABU DHABI, June 11 (Saudi Arabia Breaking News) - The Emirates Drug Establishment approved AstraZeneca’s Etcamah, making the UAE the first country in the world to make the treatment option available. Etcamah is an oral targeted therapy for a subset of patients with advanced or metastatic breast cancer who develop an ESR1 gene mutation during endocrine therapy. The treatment is used in combination with a CDK4/6 inhibitor a