期刊论文详细信息
BMC Psychiatry
Skating on thin ice: pragmatic prescribing for medication refractory schizophrenia
Sukhwinder S. Shergill1  Maria-Jesus Mateos Fernandez2  S. Neil Sarkar3  Dan W. Joyce1  Derek K. Tracy2 
[1] South London and Maudsley NHS Foundation Trust, London, UK;Cognition, Schizophrenia & Imaging Laboratory, Department of Psychosis Studies, the Institute of Psychiatry, King’s College London, London, UK;Central and North West London NHS Foundation Trust, London, UK
关键词: Treatment;    Refractory;    Psychosis;    Schizophrenia;   
Others  :  1225010
DOI  :  10.1186/s12888-015-0559-x
 received in 2014-10-30, accepted in 2015-07-14,  发布年份 2015
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【 摘 要 】

Background

Clozapine is the treatment of choice for medication refractory psychosis, but it does not benefit half of those put on it. There are numerous studies of potential post-clozapine strategies, but little data to guide the order of such treatment in this common clinical challenge. We describe a naturalistic observational study in 153 patients treated by a specialist psychosis service to identify optimal pharmacotherapy practice, based on outcomes.

Methods

Medication and clinical data, based on the OPCRIT tool, were examined on admission and discharge from the national psychosis service. The primary outcome measure was the percentage change in mental state examination symptoms between admission and discharge and the association with medication on discharge. Exploratory analyses evaluated the specificity of individual medication effects on symptom clusters.

Results

There were fewer drugs prescribed at discharge relative to admission, suggesting an optimisation of medication, and a doubling of the number of patients treated with clozapine. Treatment with clozapine on discharge was associated with maximal decrease in symptoms from admission. In the group of patients that did not respond to clozapine monotherapy, the most effective drug combinations were clozapine augmentation with 1) sodium valproate, 2) lithium, 3) amisulpride, and 4) quetiapine. There was no support for a dose–response relationship for any drug combination.

Conclusions

Clozapine monotherapy is clearly the optimal medication in medication refractory schizophrenia and it is possible to maximise its use. In patients unresponsive to clozapine monotherapy, augmentation with sodium valproate, lithium, amisulpride and quetiapine, in that order, is a reasonable treatment algorithm. Reducing the number of ineffective drugs is possible without a detrimental effect on symptoms. Exploratory data indicated that clozapine was beneficial across a range of symptoms domains, whereas olanzapine was beneficial specifically for hallucinations and lamotrigine for comorbid affective symptoms.

【 授权许可】

   
2015 Tracy et al.

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