<p>Method for titrating clozapine in treatment of psychotic disorders in a human patient in need of treatment with clozapine including administering once-a-day controlled release clozapine to the human patient titrating to a therapeutic dose of clozapine within a period of less than one week, or administering controlled release clozapine to the patient at an initial dose of at least 37.5 mg and titrating to a therapeutic dose within a period of less than ten days.</p>
