{"nct_id":"NCT01684215","title":"A Study Of Oral Palbociclib (PD-0332991), A CDK4/6 Inhibitor, As Single Agent In Japanese Patients With Advanced Solid Tumors Or In Combination With Letrozole For The First-Line Treatment Of Postmenopausal Japanese Patients With ER (+) HER2 (-) Advanced Breast Cancer","status":"COMPLETED","status_verified_date":"2020-10","start_date":"2012-10-19","start_date_type":"ACTUAL","primary_completion_date":"2016-03-04","primary_completion_date_type":"ACTUAL","completion_date":"2018-10-25","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["PFE"]}