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Sustained long-term improvement with clozapine in schizophrenia
R de O Oliveira-Souza1, R P Marrocos, W M De Figueiredo
1Serviço de Clínica Médica C, Hospital Gaffrée e Guinle, Universidade do Rio de Janeiro, Brasil.
Arquivos De Neuro-Psiquiatria
|May 29, 1999
Summary
Clozapine shows long-term effectiveness in chronic schizophrenia patients, improving psychopathology and cognitive function. This antipsychotic medication is recommended for severe cases unresponsive to other treatments.
Area of Science:
- Psychiatry
- Pharmacology
Background:
- Clozapine is an atypical antipsychotic used for treatment-resistant schizophrenia.
- Long-term efficacy and tolerability data in chronic schizophrenia are crucial.
Observation:
- A prospective study followed 46 chronic schizophrenic patients using clozapine.
- 21 subjects were excluded within six months, four due to lack of response or adverse effects.
- The remaining 25 patients received a median daily dose of 400 mg clozapine.
Findings:
- Significant improvements were observed in psychopathology, cognitive status, and functioning.
- Clozapine demonstrated effectiveness in a subgroup of patients with severe schizophrenia.
- Tolerated clozapine led to progressive behavioral gains over time.
Implications:
- Clozapine is effective for severe schizophrenia, especially when other treatments fail.
- It should be considered for patients with incapacitating positive symptoms, disorganization, or bizarre behavior.
- Early tolerability predicts long-term benefits in multiple behavioral domains.