{"nct_id":"NCT00109343","title":"V221 Concomitant Use Study With Pneumococcal Conjugate Vaccine (V221-019)","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2006-03","start_date_type":null,"primary_completion_date":"2007-09","primary_completion_date_type":"ACTUAL","completion_date":"2007-09","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}