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Ther Adv Psychopharmacol. 2015 Oct;5(5):278-88. doi: 10.1177/2045125315596897.

Enhancing adherence, subjective well-being and quality of life in patients with schizophrenia: which role for long-acting risperidone?.

Therapeutic advances in psychopharmacology

Cinzia Niolu, Emanuela Bianciardi, Giorgio Di Lorenzo, Claudia Marchetta, Ylenia Barone, Nicoletta Sterbini, Michele Ribolsi, Giorgio Reggiardo, Alberto Siracusano

Affiliations

  1. Chair of Psychiatry, Department of Systems Medicine, University of Rome 'Tor Vergata', Rome, Italy Psychiatric Clinic, Fondazione Policlinico 'Tor Vergata', Rome, Italy.
  2. Chair of Psychiatry, Department of Systems Medicine, University of Rome 'Tor Vergata', Via Nomentana 1362, 00137 Rome, Italy.
  3. Chair of Psychiatry, Department of Systems Medicine, University of Rome 'Tor Vergata', Rome, Italy.
  4. Biostatistics and Data Management Uni Medi Service, Genoa, Italy.

PMID: 26557984 PMCID: PMC4622121 DOI: 10.1177/2045125315596897

Abstract

AIM: This study evaluated adherence to treatment, quality of life and subjective well-being in patients with psychosis treated with long-acting injectable risperidone. Subjects enrolled were part of a larger study where patients were observed in an adherence to treatment program of the University of Rome Tor Vergata.

MATERIALS AND METHODS: A total of 27 nonadherent patients (21 men, six women; mean age: 36.1 years; range: 23-63 years) were enrolled. Maximum observational period was 30 months.

RESULTS: A total of 12 patients were under treatment for 30 months (44.44%) but only nine had a valid 30-month follow up, while the remaining three patients initially treated at our unit continued long-acting risperidone at their local centre. Reductions of monthly mean values of Scale for the Assessment of Positive Symptoms (SAPS) [repeated measures analysis of variance (rm-ANOVA): p < 0.0001] and Scale for Assessment of Negative Symptoms (SANS) (p < 0.0001), increase of monthly mean values of Subjective Well-Being Under Neuroleptic Treatment Scale (SWN) (p < 0.0001) and Schizophrenia Quality of Life Scale (S-QoL) (p < 0.01) were observed. Significant differences with respect to SAPS baseline values from the sixth month, SANS baseline values from the seventh month, SWN baseline values from the eighth month, S-QoL baseline values from the eighteenth month were shown in post hoc tests. Reduction of SAPS mean values was associated with increase of SWN (p < 0.0001) and S-QoL (p < 0.0001) mean values as demonstrated by correlation analysis. The same inverse correlation was found between reduction of SANS mean values and increases of SWN (p < 0.0001) and S-QoL (p = 0.0001) mean values.

CONCLUSIONS: Long-term treatment with long-acting risperidone may be associated with improvement to adherence to therapy and quality of life. Patients may show improvement in psychopathological symptoms, subjective well-being and quality of life.

Keywords: long-acting antipsychotics; nonadherence; quality of life; risperidone; schizophrenia; subjective well-being

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