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Benefit of slow titration of paroxetine to treat depression in the elderly
Author(s) -
Olgiati Paolo,
Bajo Emanuele,
Serretti Alessandro
Publication year - 2014
Publication title -
human psychopharmacology: clinical and experimental
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.461
H-Index - 78
eISSN - 1099-1077
pISSN - 0885-6222
DOI - 10.1002/hup.2433
Subject(s) - paroxetine , depression (economics) , titration , psychiatry , medicine , psychology , gerontology , chemistry , economics , antidepressant , inorganic chemistry , macroeconomics , anxiety
Objective Paroxetine is commonly used to treat depression in the elderly; however, titration issues have been raised. Rapid titration may lead to increased anxiety and early dropout. The aim of this cost–utility analysis was to compare the potential benefit of standard (10 mg the first day) versus slow titration (2.5 mg gradually increased). Methods Clinical analysis was based on a naturalistic trial integrated with a decision‐analytic model representing second treatments for those who initially did not respond and for dropout cases. Treatment setting was a public outpatient center for mental disorders in Italy. Service use data were estimated from best practice guidelines, whereas costs (Euros; 2012) were retrieved from Italian official sources. Results Slow titration approach produced 0.031 more quality‐adjusted life years (remission rate: 57% vs 44% in standard titration group) at an incremental cost of €5.53 (generic paroxetine) and €54.54 (brand paroxetine syrup). Incremental cost‐effectiveness ratio (ICER) values were €159 and €1768, respectively, in favor of slow titration approach. Cost‐effectiveness threshold, defined as ICER < 1 GDP per capita according to World Health Organization criteria, is about €25 000 in Italy. Conclusions Our results are consistent with a superiority of slow titration of paroxetine in older depressed patients. However, these findings, in part based on simulated data, need to be replicated in clinical trials. Copyright © 2014 John Wiley & Sons, Ltd.

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