KOREA OTSUKA INTERNATIONAL ASIA ARAB CO., LTD.

To evaluate the efficacy of flexibly dosed aripiprazole in reducing serious behavioral problems in Asian children and adolescents with a diagnosis of autism spectrum disorder, as measured by change from baseline to endpoint on the irritability subscale of the aberrant behavior checklist (ABC-I).
To evaluate the long-term safety and tolerability of flexibly dosed aripiprazole in the treatment of serious behavioral problems in Asian children and adolescents with a diagnosis of autism spectrum disorder.

To compare combination treatment of aripiprazole plus valproate versus valproate alone in the prevention of relapse in bipolar I disorder patients with symptomatic remission after 5-6 weeks open-label acute treatment with aripiprazole plus valproate for manic or mixed episode, with or without psychotic features.

The purpose of this study is to study efficacy and safety of cilostazol use in patients with acute ischemic stroke.