{"nct_id":"NCT01513551","title":"The Safety, Tolerability, and Immunogenicity Profiles of a Single Dose of V114, PNEUMOVAX® 23, or PREVNAR 13® in Adults 50 Years of Age or Older (V114-002)","status":"COMPLETED","status_verified_date":"2018-11","start_date":"2012-03-13","start_date_type":"ACTUAL","primary_completion_date":"2013-02-15","primary_completion_date_type":"ACTUAL","completion_date":"2013-02-15","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}