{"nct_id":"NCT02297438","title":"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":"COMPLETED","status_verified_date":"2025-08","start_date":"2015-03-23","start_date_type":"ACTUAL","primary_completion_date":"2020-08-31","primary_completion_date_type":"ACTUAL","completion_date":"2025-02-24","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}