Publication Date

2014

Journal Title

Schizophrenia Bulletin

Abstract

Background: While long-acting injectable antipsychotics (LAIs) are hoped to reduce high relapse rates in schizophrenia, recent randomized controlled trials (RCTs) challenged the benefits of LAIs over oral antipsychotics (OAPs). Methods: Systematic review/meta-analysis of RCTs that lasted = 6 months comparing LAIs and OAPs. Primary outcome was study-defined relapse at the longest time point; secondary outcomes included relapse at 3, 6, 12, 18, and 24 months, all-cause discontinuation, discontinuation due to adverse events, drug inefficacy (ie, relapse + discontinuation due to inefficacy), hospitalization, and nonadherence. Results: Across 21 RCTs (n = 5176), LAIs were similar to OAPs for relapse prevention at the longest time point (studies = 21, n = 4950, relative risk [RR] = 0.93, 95% confidence interval [CI]: 0.80-1.08, P =.35). The finding was confirmed restricting the analysis to outpatient studies lasting >= 1 year (studies = 12, RR = 0.93, 95% CI: 0.71-1.07, P =.31). However, studies using first-generation antipsychotic (FGA)-LAIs (studies = 10, RR = 0.82, 95% CI: 0.69-0.97, P =.02) and those published

Volume Number

40

Issue Number

1

Pages

192-213

Document Type

Article

EPub Date

2012/12/22

Status

Faculty, Northwell Researcher

Facility

School of Medicine; Northwell Health

Primary Department

Psychiatry

Additional Departments

Molecular Medicine

PMID

23256986

DOI

10.1093/schbul/sbs150

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