A Study Of Palbociclib (PD-0332991) + Letrozole VS. Placebo+ Letrozole For 1st Line Treatment Of Asian Postmenopausal Women With ER+/HER2- Advanced Breast Cancer [PALOMA-4]
Status: ACTIVE_NOT_RECRUITING
Study type: INTERVENTIONAL
Conditions: Breast Neoplasms
Interventions: DRUG: Palbociclib|DRUG: Letrozole|DRUG: Placebo|DRUG: Letrozole
Sponsor: Pfizer