{"nct_id":"NCT00170768","title":"Cognitive Effects of Darifenacin and Oxybutynin Extended Release in Volunteers Aged 60 and Over","status":"COMPLETED","status_verified_date":"2008-01","start_date":"2005-02","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2005-05","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["NVS"]}