Wednesday, January 08, 2020 MAC7 (NCT00075764) trial: Phase III Randomized Trial of Anastrozole Versus Anastrozole and Fulvestrant as First Line Therapy for Post Menopausal Women With Metastatic Breast Cancer has been permenantly closed. Objectives: To compare time to tumour progression in post-menopausal women with metastatic breast cancer treated with anastrozole versus anastrozole and fluvestrant. For more information please visit the CCTG MAC7 trial page.