{"nct_id":"NCT00130832","title":"Concomitant Use and Staggered Use of Vaccine and Oral Poliovirus (OPV) in Healthy Infants (V260-014)(COMPLETED)","status":"COMPLETED","status_verified_date":"2015-03","start_date":"2005-10","start_date_type":null,"primary_completion_date":"2006-07","primary_completion_date_type":"ACTUAL","completion_date":"2006-07","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["MRK"]}