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Long-term effectiveness of risperidone and olanzapine in resistant or intolerant schizophrenic patients. A mirror study
B. Søholm , H. Lublin
 Psychiatric Department O, Psychiatric Clinic, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
Correspondence to Bettina Søholm MD, Psychiatric Department O, Psychiatric Clinic, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
E-mail: bsoeholm@dadlnet.dk
Copyright 2003 Blackwell Munksgaard
KEYWORDS
risperidone • olanzapine • compliance • weight gain • schizophrenia
Søholm B, Lublin H. Long-term effectiveness of risperidone and olanzapine in resistant or intolerant schizophrenic patients. A mirror study.
Acta Psychiatr Scand 2003: 107: 344–350. © Blackwell Munksgaard 2003.

ABSTRACT

Objective: To evaluate the long-term effectiveness of the second generation antipsychotics, risperidone and olanzapine on hospitalization, clinical response, and adherence to therapy after switching from conventional antipsychotics or clozapine in a naturalistic setting of schizophrenic patients.

Method: Data were registered for periods of identical duration before and after switching.

Results: Fifty-seven patients were included. Mean study period was 3.1 ± 0.2 years. Mean number of in-patient days after switching declined by 78% of the level before switching (P=0.0002). There was no significant differences in ratio responders/non-responders between the subgroups. The number of patients with extrapyramidal symptoms (EPS) was significantly reduced after switching. However, intolerable weight gain led to a lack of adherence to therapy in 18% of the olanzapine-treated patients.

Conclusion: Long-term treatment with the second generation antipsychotics, risperidone and olanzapine significantly improved the clinical outcome. However, weight gain may be a significant reason for discontinuation of treatment and reducing the long-term adherence to therapy.


Accepted for publication November 11, 2002

DIGITAL OBJECT IDENTIFIER (DOI)
10.1034/j.1600-0447.2003.00063.x About DOI

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