Since the discovery of the effects of chlorpromazine in the1950s, treatment of schizophrenia has relied on antipsychoticdrugs that target dopamine D2 receptors. The effectiveness ofthese agents in reducing the intensity of patients' delusionsand hallucinations permitted outpatient treatment instead oflifelong institutionalization in state mental hospitals. Themany antipsychotic drugs introduced during the next decade wereincreasingly potent, as medicinal chemists improved the drugs'affinity for the D2 receptor. However, the efficacy of the drugswas similar, since all had the same mechanism of action.1 Atroubling problem was that the blockade of dopaminergic neurotransmissionin the . . . [Full Text of this Article]
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From the Department of Psychiatry, University of Colorado Health Sciences Center, and the Veterans Affairs Medical Center both in Denver.
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