{"nct_id":"NCT00836498","title":"A Study of the Safety and Immune Response to RotaTeq™ Vaccine in the Elderly (V260-027)","status":"TERMINATED","status_verified_date":"2015-04","start_date":"2009-01","start_date_type":null,"primary_completion_date":"2010-01","primary_completion_date_type":"ACTUAL","completion_date":"2010-01","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["MRK"]}