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Inicio Psiquiatría Biológica Clinical remission in a cohort of first-episode psychosis: Data from the PEPs st...
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Vol. 28. Issue 1.
Pages 1-8 (January - April 2021)
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Vol. 28. Issue 1.
Pages 1-8 (January - April 2021)
Review Article
Clinical remission in a cohort of first-episode psychosis: Data from the PEPs study
Remisión clínica en una cohorte de primer episodio psicótico: datos del estudio PEPs
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Jairo M. Gonzalez-Diaza,b, Gisela Mezquidac,d,e,f, Miquel Bioquec,d,e,f, Miguel Bernardoc,d,e,f,
Corresponding author
bernardo@clinic.cat

Corresponding author.
, PEPs Group
a CERSAME School of Medicine and Health Sciences, Universidad del Rosario, Bogota, DC, Colombia
b Clínica Nuestra Señora de la Paz, Bogota, DC, Colombia
c Barcelona Clinic Schizophrenia Unit, Hospital Clínic of Barcelona, Neuroscience Institute, Barcelona, Spain
d Department of Medicine, Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain
e Biomedical Research Networking Center for Mental Health Network (CIBERSAM), Barcelona, Spain
f August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
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Tables (2)
Table 1. Demographic and clinical characteristics of patients included. Parental Socioeconomic Status was categorized according to Hollingshead-Redlich Classification. Early Response was defined as a reduction in PANSS total score greater or equal than 30% to baseline by month 2 DUP, Duration of Untreated Psychosis.
Table 2. Results of the multivariate logistic regression analysis of selected variables distinguishing remitted from non-remitted patients.
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Abstract
Introduction

Patients that achieve clinical remission after a first episode of psychosis (FEP) present fewer relapses, lower consumption of health care resources and a better quality of life even twenty years later. This study aimed to determine the variables related to remission on a multicenter cohort of Spanish patients and its repercussions in functional outcomes.

Methods

244 FEP patients aged 7–35 years were included in this longitudinal prospective follow-up study. Remission was defined according to the Remission in Schizophrenia Working Group criteria. Demographic, premorbid, clinic, and functionality data were assessed at baseline and in four visits throughout two-years.

Results

162 subjects (66.4%) met remission criteria. These subjects were characterized by being older and earlier responders, they presented better premorbid adjustment, more insight, better functional outcome, and lower negative symptomatology in comparison to non-remitted.

Discussion

Although remission rates and predictors described in the literature are very heterogeneous, the remission rate in our sample was similar to those previously reported. Early response to the treatment, level of insight, and negative symptoms severity were significant predictors of remission. Baseline and two-years follow-up functionality were significantly better in subjects in remission as well. Proposed remission criteria have an adequate discriminatory capacity for functional and symptomatic outcomes in this FEP sample framed in the PEPs Project.

Keywords:
Schizophrenia
First episode psychosis
Remission
Resumen
Introducción

Los pacientes que logran remisión clínica tras un primer episodio psicótico (PEP) presentan menor recidiva, menor consumo de recursos sanitarios y mejor calidad de vida, incluso 20 años después. El objetivo de este estudio fue determinar las variables relacionadas con la remisión en una cohorte multicéntrica de pacientes españoles, así como sus repercusiones en los resultados funcionales.

Métodos

En este estudio longitudinal de seguimiento prospectivo, se incluyó a 244 pacientes de PEP con edades comprendidas entre los siete y los 35 años. Se definió la remisión, de acuerdo con los criterios del Grupo de Trabajo para la Remisión en Esquizofrenia. Los datos demográficos, premórbidos, clínicos y de funcionalidad fueron evaluados basalmente, y durante las cuatro visitas a lo largo de dos años.

Resultados

Ciento sesenta y dos sujetos (66,4%) cumplieron los criterios de remisión. Dichos sujetos se caracterizaron por ser respondedores mayores y tempranos, tener mejor ajuste premórbido, mayor percepción, mejor resultado funcional y menor sintomatología negativa, en comparación con los sujetos sin remisión.

Discusión

Aunque las tasas de remisión y los factores predictivos descritos en la literatura son muy heterogéneos, la tasa de remisión en nuestra muestra fue similar a la tasa previamente reportada. La respuesta temprana al tratamiento, el nivel de percepción y la gravedad de los síntomas negativos fueron factores predictivos significativos de la remisión. De igual modo, la funcionalidad basal y a los dos años de seguimiento fueron significativamente mejores en los sujetos con remisión. Los criterios de remisión propuestos tienen una capacidad discriminatoria adecuada para los resultados funcionales y sintomáticos en esta muestra de PEP, enmarcada dentro del proyecto PEPs.

Palabras clave:
Esquizofrenia
Primer episodio psicótico
Remisión

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