{"nct_id":"NCT01740427","title":"A Study of Palbociclib (PD-0332991) + Letrozole vs. Letrozole For 1st Line Treatment Of Postmenopausal Women With ER+/HER2- Advanced Breast Cancer (PALOMA-2)","status":"COMPLETED","status_verified_date":"2024-10","start_date":"2013-02-22","start_date_type":"ACTUAL","primary_completion_date":"2016-02-26","primary_completion_date_type":"ACTUAL","completion_date":"2023-11-09","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}