{"nct_id":"NCT00410761","title":"An Efficacy Study Comparing ZD6474 to Placebo in Medullary Thyroid Cancer","status":"COMPLETED","status_verified_date":"2025-09","start_date":"2006-11-23","start_date_type":"ACTUAL","primary_completion_date":"2009-07-31","primary_completion_date_type":"ACTUAL","completion_date":"2024-07-26","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["SNY"]}