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Pharmacological Treatment of Schizophrenia: Japanese Expert Consensus.


ABSTRACT:

Introduction

Conventional treatment guidelines of schizophrenia do not necessarily provide solutions on clinically important issues.

Methods

A total of 141 certified psychiatrists of the Japanese Society of Clinical Neuropsychopharmacology evaluated treatment options regarding 19 clinically relevant situations in the treatment of schizophrenia with a 9-point scale (1="disagree" and 9="agree").

Results

First-line antipsychotics varied depending on predominant symptoms: risperidone (mean±standard deviation score, 7.9±1.4), olanzapine (7.5±1.6), and aripiprazole (6.9±1.9) were more likely selected for positive symptoms; aripiprazole (7.6±1.6) for negative symptoms; aripiprazole (7.3±1.9), olanzapine (7.2±1.9), and quetiapine (6.9±1.9) for depression and anxiety; and olanzapine (7.9±1.5) and risperidone (7.5±1.5) for excitement and aggression. While only aripiprazole was categorized as a first-line treatment for relapse prevention (7.6±1.0) in patients without noticeable symptoms, aripiprazole (8.0±1.6) and brexpiprazole (6.9±2.3) were categorized as such for social integration. First-line treatments in patients who are vulnerable to extrapyramidal symptoms include quetiapine (7.5±2.0) and aripiprazole (6.9±2.1).

Discussion

These clinical recommendations represent the expert consensus on the use of a particular antipsychotic medication for a particular situation, filling a current gap in the literature.

SUBMITTER: Sakurai H 

PROVIDER: S-EPMC7946533 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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<h4>Introduction</h4>Conventional treatment guidelines of schizophrenia do not necessarily provide solutions on clinically important issues.<h4>Methods</h4>A total of 141 certified psychiatrists of the Japanese Society of Clinical Neuropsychopharmacology evaluated treatment options regarding 19 clinically relevant situations in the treatment of schizophrenia with a 9-point scale (1="disagree" and 9="agree").<h4>Results</h4>First-line antipsychotics varied depending on predominant symptoms: rispe  ...[more]

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