Cognitive Efficacy of Quetiapine in Early-Onset First-Episode Psychosis: A 12-Week Open Label Trial

Cognitive Efficacy of Quetiapine in Early-Onset First-Episode Psychosis: A 12-Week Open Label Trial Twenty-three adolescents with psychotic disorders, aged from 13 to 18 years, participated in a 12-week open label trial (17 adolescents completed the study) in order to examine the impact of quetiapine on clinical status and cognitive functions (encompassing processing speed, attention, short-term memory, long-term memory and executive function). An improvement in Clinical Global Impression and Positive and Negative Symptom Scale (P’s ≤ 0.001) was observed. In addition, after controlling for amelioration of symptoms, a significant improvement was observed on one executive function (P = 0.044; Trail Making Part B). The remaining cognitive abilities showed stability. In addition, we observed an interaction between quetiapine doses (>300 mg/day or <300 mg/day) and time, where lower doses showed more improvement in verbal short-term memory (P = 0.048), inhibition abilities (P = 0.038) and positive symptoms (P = 0.020). The neuropsychological functioning of adolescents with psychotic disorders remained mainly stable after 12 weeks of treatment with quetiapine. However, lower doses seemed to have a better impact on two components of cognition (inhibition abilities and verbal short-term memory) and on positive symptoms. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Psychiatric Quarterly Springer Journals

Cognitive Efficacy of Quetiapine in Early-Onset First-Episode Psychosis: A 12-Week Open Label Trial

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Publisher
Springer US
Copyright
Copyright © 2011 by Springer Science+Business Media, LLC
Subject
Medicine & Public Health; Psychiatry; Public Health; Sociology, general
ISSN
0033-2720
eISSN
1573-6709
D.O.I.
10.1007/s11126-011-9201-3
Publisher site
See Article on Publisher Site

References

  • Cognitive Efficacy of Quetiapine and Olanzapine in Early-Onset First-Episode Psychosis
    Robles, O; Zabala, A; Bombin, I

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