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Risperidone long-acting injection: a prospective 3-year analysis of its use in clinical practice

Taylor, David M., Fischetti, Catrin, Sparshatt, Anna, Thomas, Arwel, Bishara, Delia and Cornelius, Victoria (2009) Risperidone long-acting injection: a prospective 3-year analysis of its use in clinical practice Journal of Clinical Psychiatry, 70, (2), pp. 196-200. (doi:10.4088/JCP.08m04427).

Record type: Article

Abstract

Objective: to evaluate outcomes of clinical use of risperidone long-acting injection (RLAI) and determine factors predicting continuation with treatment.

Method: this prospective, 3-year follow-up of consecutive patients started on treatment with RLAI in normal clinical practice between August 2002 and September 2003 obtained demographic and clinical data from case notes, prescription charts, and hospital computer records. To determine predictors of continuation, a proportional hazards regression (Cox) model was constructed.

Results: the study included 211 evaluable patients. Over 3 years, 84% of subjects discontinued RLAI; 27.7% of these switched to oral risperidone. The Cox model showed that younger age (p=.001), longer duration of illness (p=.001), inpatient status at initiation (p=.002), and an RLAI dose of 25 mg/2 weeks (p<.001) predicted greater probability of discontinuation.

Conclusion: a small proportion of patients initiated on treatment with RLAI continued for 3 years. Outcome is likely to be improved by targeting RLAI treatment at specific patient groups and by using a dose of more than 25 mg/2 weeks.

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Published date: February 2009

Identifiers

Local EPrints ID: 162021
URI: http://eprints.soton.ac.uk/id/eprint/162021
PURE UUID: d3334d94-e695-41ae-9183-8f871a1aaecc

Catalogue record

Date deposited: 12 Aug 2010 08:40
Last modified: 18 Jul 2017 12:33

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Contributors

Author: David M. Taylor
Author: Catrin Fischetti
Author: Anna Sparshatt
Author: Arwel Thomas
Author: Delia Bishara
Author: Victoria Cornelius

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