{"nct_id":"NCT00135837","title":"Photodynamic Therapy in Occult-Only Lesions (POOL)","status":"COMPLETED","status_verified_date":"2006-06","start_date":"2003-06","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":null,"completion_date_type":null,"phases":["PHASE4"],"tickers":["NVS"]}