{"nct_id":"NCT00109122","title":"Safety, Tolerability, and the Body's Ability to Develop Resistance to an Investigational Vaccine for Shingles (V211-007)","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2001-11","start_date_type":null,"primary_completion_date":"2003-02","primary_completion_date_type":"ACTUAL","completion_date":"2006-07","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}