Fulvestrant (F)+Placebo vs F+Palbociclib First Line for Postmenopausal Hormone Receptor+ Advanced Breast Cancer

Summary

Participation Requirements

Description

Patients must have at least one lesion (measurable and/or non-measurable) that can be accurately assessed at baseline and is suitable for repeated assessment by CT, MRI or plan x-ray. Patients with bone-only disease must have a lytic or mixed (lytic + blastic) lesion, which has not been previously i...

Patients must have at least one lesion (measurable and/or non-measurable) that can be accurately assessed at baseline and is suitable for repeated assessment by CT, MRI or plan x-ray. Patients with bone-only disease must have a lytic or mixed (lytic + blastic) lesion, which has not been previously irradiated and can be accurately assessed by CT/MRI or x-ray. Approximately 190 patients will be randomized 1:1 between the experimental arm (approximately 95 patients treated with fulvestrant plus palbociclib) and the control arm (approximately 95 patients treated with fulvestrant plus placebo). Primary Objective: • To compare the efficacy of fulvestrant in combination with palbociclib versus fulvestrant plus placebo in terms of the rate of Progression-Free Survival (PFS) at 1 year in postmenopausal women with HR-positive/HER2-negative metastatic breast cancer previously treated with endocrine therapy for at least 5 years and remaining disease free for more than 12 months following its completion or have "de novo" metastatic disease

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