Abstract：
:Cortical thickness may be useful as a treatment response predictor in first-episode (FE) patients with schizophrenia, although this possibility has been scarcely assessed. In this study we assessed the possible relation between cortical thickness in regions of interest selected because of previously reported structural alterations in schizophrenia and clinical and cognitive changes after two years of treatment with risperidone or clozapine in 31 neuroleptic-naïve FE patients with schizophrenia (16 of them treated with clozapine and 15 with risperidone). Using the last-observation-carried-forward (LOCF), a larger improvement in positive, negative and total symptoms was predicted by the amount of baseline cortical thinning in the right prefrontal cortex (pars orbitalis). After two years of treatment, cognitive status was reassessed in the 17 patients (11 on clozapine) who had not dropped out. Working memory improvement after reassessment was associated with a greater baseline cortical thinning in the left prefrontal cortex (pars orbitalis), and verbal memory improvement with a greater baseline cortical thinning in the left pars triangularis. Significant but weak cortical thickness decrease from baseline to follow-up was observed in patients in comparison to controls (left pars triangularis and opercularis, and left caudal middle frontal areas). These results may support a positive predictive role for cortical thinning in the frontal region with regard to clinical and cognitive improvement with clozapine and risperidone in FE patients with schizophrenia.
journal_name
Schizophr Resjournal_title
Schizophrenia researchauthors
Molina V,Taboada D,Aragüés M,Hernández JA,Sanz-Fuentenebro Jdoi
10.1016/j.schres.2014.06.042subject
Has Abstractpub_date
2014-09-01 00:00:00pages
223-9issue
1-3eissn
0920-9964issn
1573-2509pii
S0920-9964(14)00356-9journal_volume
158pub_type
杂志文章abstract：BACKGROUND:As efforts intensify to intervene early among those at risk for psychosis, examination of the relationship between presenting psychopathology and long-term functional outcome may guide treatment decision-making and offer a means to prevent or reduce chronic disability. METHODS:Data were collected through th...
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