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Efficacy of lurasidone across five symptom dimensions of schizophrenia: Pooled analysis of short-term, placebo-controlled studies

Published online by Cambridge University Press:  15 April 2020

A. Loebel ,
J. Cucchiaro ,
R. Silva ,
Y. Mao ,
J. Xu ,
A. Pikalov  and
S.R. Marder
A. Loebel
Affiliation:
Sunovion Pharmaceuticals Inc., One Bridge Plaza North, Suite 510, Fort Lee, NJ07024, USA
J. Cucchiaro
Affiliation:
Sunovion Pharmaceuticals Inc., One Bridge Plaza North, Suite 510, Fort Lee, NJ07024, USA
R. Silva
Affiliation:
Sunovion Pharmaceuticals Inc., One Bridge Plaza North, Suite 510, Fort Lee, NJ07024, USA
Y. Mao
Affiliation:
Sunovion Pharmaceuticals Inc., One Bridge Plaza North, Suite 510, Fort Lee, NJ07024, USA
J. Xu
Affiliation:
Sunovion Pharmaceuticals Inc., One Bridge Plaza North, Suite 510, Fort Lee, NJ07024, USA
A. Pikalov
Affiliation:
Sunovion Pharmaceuticals Inc., One Bridge Plaza North, Suite 510, Fort Lee, NJ07024, USA
S.R. Marder*
Affiliation:
Semel Institute for Neuroscience at the University of California, Los Angeles, and the David Geffen School of Medicine, and the West Los Angeles VA Healthcare System, Building 210, Room 130, 11301 Wilshire Boulevard, Los Angeles, CA90073, USA
*
*Corresponding author. Tel.: +1 310 268 3647; fax: +1 310 268 4056. E-mail address:[email protected] (S.R. Marder).
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Abstract

Objective:

To evaluate the efficacy of lurasidone for schizophrenia using an established five-factor model of the Positive and Negative Syndrome Scale (PANSS).

Methods:

Patient-level data were pooled from five randomized, double-blind, placebo-controlled, 6-week studies of lurasidone (fixed doses, 40–160 mg/d) for patients with an acute exacerbation of schizophrenia. Changes in five established PANSS factors were assessed using mixed-model repeated measures analysis.

Results:

Compared with placebo (n = 496), lurasidone (n = 1029, dose groups pooled) significantly improved the PANSS total score at Week 6 (−22.6 vs. −12.8; P < 0.001; effect size, 0.45), as well as all factor scores (P < 0.001 for each): positive symptoms (−8.4 vs. −6.0; effect size, 0.43), negative symptoms (−5.2 vs. −3.3; effect size, 0.33), disorganized thought (−4.9 vs. −2.8; effect size, 0.42), hostility/excitement (−2.7 vs. −1.6; effect size, 0.31), and depression/anxiety (−3.2 vs. −2.3; effect size, 0.31). Separation from placebo occurred at Week 1 for the positive symptoms, disorganized thought, and hostility/excitement factors and at Week 2 for the other factors.

Conclusions:

In this pooled analysis of short-term studies in patients with acute schizophrenia, lurasidone demonstrated significant improvement for each of the five PANSS factor scores, indicating effectiveness across the spectrum of schizophrenia symptoms.

Keywords

LurasidoneAtypical antipsychoticSchizophreniaFactor analysis
Type
Original article
Information
European Psychiatry , Volume 30 , Issue 1 , January 2015 , pp. 26 - 31
Copyright
Copyright © Elsevier Masson SAS 2015

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