{"nct_id":"NCT00657020","title":"Functional Magnetic Resonance Imaging (fMRI) Investigation of Nicotine Withdrawal Symptoms","status":"COMPLETED","status_verified_date":"2013-06","start_date":"2007-09","start_date_type":null,"primary_completion_date":"2008-02","primary_completion_date_type":"ACTUAL","completion_date":"2008-02","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["GSK"]}