{"nct_id":"NCT01587950","title":"The Effects of Potassium Nitrate in Reducing Dentinal Hypersensitivity","status":"COMPLETED","status_verified_date":"2013-03","start_date":"2009-02","start_date_type":null,"primary_completion_date":"2009-04","primary_completion_date_type":"ACTUAL","completion_date":"2009-04","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["GSK"]}