Dataset from Phase II Study to Evaluate the Efficacy and Tolerability of Fulvestrant 250mg, 250mg (Plus 250mg Loading Regimen) and 500mg in Postmenopausal Women With ER +ve Advanced Breast Cancer Progressing or Relapsing After Previous Endocrine Therapy

This study will assess the relationship between fulvestrant dose and efficacy, and determine the dosing regimen as a second line therapy for Japanese postmenopausal women with oestrogen receptor positive advanced breast cancer.