{"nct_id":"NCT00396630","title":"A Study to Explore the Existence of Horizontal Transmission of the RIX4414 Vaccine Strain Between Twins Within a Family.","status":"COMPLETED","status_verified_date":"2017-11","start_date":"2007-01-23","start_date_type":"ACTUAL","primary_completion_date":"2008-01-23","primary_completion_date_type":"ACTUAL","completion_date":"2008-02-13","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GSK"]}