Efficacy of Repetitive Transcranial Magnetic Stimulation in the Prevention of Relapse of Schizoaffective

The purpose of this study is to evaluate the efficacy of repetitive transcranial magnetic stimulation in the prevention of relapse of the symptoms of schizoaffective disorder. Primary Outcome Measures:Time between subject randomization to treatment and the first occurrence of a relapse during the Relapse Prevention Period. Secondary Outcome Measures: Symptom change as measured by the Positive and Negative Syndrome Scale (PANSS) total and PANSS factor scores; Illness severity change as measured by Clinical Global Impression of Severity for depression (CGI-S-DEP); Change in subject functioning using the Personal and Social Performance Scale; Change in subject medication satisfaction using the Medication Satisfaction Questionnaire (MSQ).