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Zyprexa Relprevv (extended-release olanzapine injectable suspension) has been federally approved for the treatment of schizophrenia in adults. This approval is based on a broad clinical data package involving 2,054 patients, in which Zyprexa Relprevv was found to be effective in controlling symptoms of schizophrenia, including hallucinations, delusions, apathy and social withdrawal.
http://www.zyprexa.com