{"nct_id":"NCT00649844","title":"A Study Comparing the Efficacy and Tolerability of Ziprasidone vs. Clozapine for the Treatment of Schizophrenia in Patients Who Continue to Have Symptoms on or Cannot Tolerate Other Antipsychotic Drugs","status":"COMPLETED","status_verified_date":"2021-02","start_date":"2003-01","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2004-09","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}