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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Improved p50 auditory gating with ondansetron in medicated schizophrenia patients.

OBJECTIVE: Most schizophrenia patients have a deficit in auditory sensory gating, which appears to be mediated by the alpha-7 nicotinic receptor, that is not improved with conventional antipsychotic treatment. This study examined the effects of ondansetron, a highly selective 5-HT3 antagonist, on the P50 auditory evoked potential. METHOD: Eight medicated outpatients with schizophrenia were given either ondansetron (16 mg) or placebo in a double-blind, placebo-controlled design. Evoked potentials were recorded at baseline and 1 hour, 2 hours, and 3 hours after receipt of drug. RESULTS: There was a highly significant improvement in P50 gating after ondansetron treatment. The maximal treatment difference was at 2 hours posttreatment (ondansetron: mean=41.4%, SD=39.7%; placebo: mean=80.2%, SD=21.3%). CONCLUSIONS: Ondansetron significantly enhanced P50 auditory gating in schizophrenia patients treated with typical antipsychotics.[1]

References

  1. Improved p50 auditory gating with ondansetron in medicated schizophrenia patients. Adler, L.E., Cawthra, E.M., Donovan, K.A., Harris, J.G., Nagamoto, H.T., Olincy, A., Waldo, M.C. The American journal of psychiatry. (2005) [Pubmed]
 
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