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Efficacy and safety of the brand-risperidone versus similar-risperidone in elderly patients with neuropsychiatric disorders: a retrospective study / Eficácia e segurança da risperidona-referência versus risperidona-similar em pacientes idosos com transtornos neuropsiquiátricos: um estudo retrospectivo
Folquitto, Jefferson Cunha; Barros, Sérgio Barbosa de; Pinto Junior, Jony Arrais; Bottino, Cássio Machado Castro.
  • Folquitto, Jefferson Cunha; University of São Paulo. Institute and Department of Psychiatria. Senior Project. São Paulo. BR
  • Barros, Sérgio Barbosa de; University of São Paulo. Institute and Department of Psychiatria. Senior Project. São Paulo. BR
  • Pinto Junior, Jony Arrais; University of São Paulo. Department of Etatistics. São Paulo. BR
  • Bottino, Cássio Machado Castro; University of São Paulo. Institute and Department of Psychiatria. Senior Project. São Paulo. BR
Dement. neuropsychol ; 4(1): 69-74, mar. 2010. tab
Article in English | LILACS | ID: lil-542656
ABSTRACT
To compare the efficacy and tolerability of brand-risperidone against similar-risperidone in elderly outpatients.

Method:

The medical files of 16 elderly outpatients from the IPq-HCFMUSP treated with two formulations of risperidone (brand and similar) between July/1999 and February/2000 were reviewed. Two independent raters, using the Clinical Global Impression scale, evaluated the efficacy of the treatment with risperidone and the frequency of adverse effects.

Results:

Comparing October/1999 to November/1999, Rater 1 observed a trend (p=0.059) and Rater 2 found a statistically significant difference, in favor of the brand-risperidone group (p=0.014). Comparing October/1999 to February/2000, Rater 1 observed no statistically significant difference (p=0.190), but the Rater 2 found a statistically significant difference in favor of the brand-risperidone group (p=0.029). Comparing November/1999 to February/2000, both raters found no statistically significant differences between both risperidone formulations. Regarding adverse effects, a statistically significant difference (p=0.046) was found in favor of the patients treated with brand-risperidone.

Conclusions:

The risperidone-reference, compared to similar-risperidone, showed a trend toward greater efficacy and tolerability.
RESUMO
Comparar a eficácia e a tolerabilidade da risperidona-referência versus a risperidona-similar em pacientes idosos.

Métodos:

Os prontuários de 16 pacientes do IPq-HCFMUSP tratados com duas formulações de risperidona (referência e similar) entre julho/1999 e fevereiro/2000 foram revisados. Dois examinadores independentes, utilizando a escala de Impressão Clínica Global, avaliaram a eficácia do tratamento com risperidona e a freqüência de efeitos colaterais.

Resultados:

Comparando outubro/1999 e novembro/1999, o avaliador 1 observou uma tendência (p=0,059) e o examinador 2 encontrou uma diferença estatisticamente significativa a favor da risperidona-referência (p=0,014). Comparando outubro/99 com fevereiro/2000, o avaliador 1 não encontrou diferença estatisticamente significativa (p=0,190), mas o examinador 2 encontrou uma diferença estatisticamente significativa a favor da risperidona-referência (p=0,029). Entre novembro/1999 e fevereiro/2000, ambos examinadores não encontraram diferença significativas entre as formulações. Quanto aos efeitos colaterais, houve diferença significativa (p=0,046) a favor do grupo risperidona-referência.

Conclusões:

A risperidona-referência, quando comparada à risperidona-similar, mostrou tendência a maior eficácia e tolerabilidade.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Therapeutics / Aged / Efficacy / Risperidone Type of study: Observational study Limits: Humans Language: English Journal: Dement. neuropsychol Journal subject: NEUROCIENCIAS / Neurology / Psychology / Psychiatry Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Therapeutics / Aged / Efficacy / Risperidone Type of study: Observational study Limits: Humans Language: English Journal: Dement. neuropsychol Journal subject: NEUROCIENCIAS / Neurology / Psychology / Psychiatry Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR