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Antipsychotics: Poor early response predicts later treatment failure


A less than 20% reduction on either the Positive and Negative Syndrome Scale (PANSS) or Brief Psychiatric Rating Scale (BPRS) after 2 weeks of treatment with antipsychotics for schizophrenia was highly predictive of failure to respond to treatment over the long term, according to results of a large meta-analysis. 

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