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Vol. 41. Núm. 2.
Páginas 340-356 (Junio 2012)
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Vol. 41. Núm. 2.
Páginas 340-356 (Junio 2012)
Artículos originales
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Estudio de dosis flexibles de paliperidona ER en pacientes con esquizofrenia previamente tratados sin efectividad con otros antipsicóticos*
Study of Flexible Doses of Paliperidone ER in Pacients with Schizophrenia who Have Undergone Inefficient Treatment with other Antipsychotics
Visitas
1199
Rodrigo Córdoba1,
Autor para correspondencia
rodrinel@yahoo.com

Correspondencia: Rodrigo Nel Córdoba Rojas, Centro de Investigaciones del Sistema Nervioso, Carrera 69 No. 170-40, Bogotá, Colombia
, Juan Fernando Cano1, César Augusto Arango-Dávila2, Carlos Miranda3, Jorge Holguín4, Darío Fernández5, Miguel Márquez6, Christian Lupo7, Pedro Gargoloff8, Gustavo Petracca9, César Lucchetti10
1 Centro de Investigaciones del Sistema Nervioso, Bogotá, Colombia
2 Fundación Valle del Lili, Grupo de Investigación Biomédica Universidad Icesi, Cali, Colombia
3 Hospital Psiquiátrico del Valle, profesor de la Universidad del Valle, Cali, Colombia
4 Grupo Colciencias, Medellín, Colombia
5 Centro de Investigaciones, Universidad del Rosario, Bogotá, Colombia
6 ADINEU, Buenos Aires, Argentina
7 Centro de Investigación y Asistencia en Psiquiatría (CIAP), Rosario, Argentina
8 Clínica privada de Salud Mental Santa Teresa de Ávila, La Plata, Argentina
9 Instituto de Neurociencias Buenos Aires (INEBA), Buenos Aires, Argentina
10 Plural Psi, Buenos Aires, Argentina
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Resumen
Antecedentes

La paliperidona ER (extended release) es un nuevo antipsicótico atípico que brinda concentraciones plasmáticas del fármaco relativamente estables a lo largo de 24 horas.

Objetivo

Examinar la respuesta al tratamiento, la tolerabilidad y la seguridad de dosis flexibles de paliperidona ER (3–12 mg/día) en un grupo de pacientes con esquizofrenia que previamente habían descontinuado el tratamiento con otros antipsicóticos.

Métodos

Estudio abierto, multicéntrico y prospectivo de 6 meses de duración. Se evaluó la efectividad de paliperidona ER en la escala de síntomas positivos y negativos PANSS (Positive and Negative Syndrome Scale) y en la escala de desempeño personal y social (PSP, Personal and Social Performance). Se efectuaron otras evaluaciones de efectividad, seguridad y tolerabilidad.

Resultados

Paliperidona ER en dosis flexibles de 3 a 12 mg/día mejoró en forma significativa el puntaje total del PANSS desde una media de 83,9 puntos en la línea basal hasta 53,7 puntos al término del estudio (p < 0,001). Se encontró que casi dos tercios de los pacientes tuvieron una mejoría ≥20% en la escala PANSS total. El puntaje de PSP mostró un incremento significativo desde 52 puntos en la línea basal hasta 68 puntos al término del estudio (p < 0,001). Otras evaluaciones secundarias de efectividad, así como las mediciones de seguridad y tolerabilidad, mostraron resultados favorables a lo largo de los seis meses del estudio.

Conclusiones

El uso de dosis flexibles de paliperidona ER ha sido eficaz, seguro y bien tolerado en pacientes con esquizofrenia en Argentina y Colombia.

Palabras clave:
Efectividad
esquizofrenia
paliperidona ER
seguridad
tolerabilidad
Abstract
Background

Extended-release (ER) paliperidone is an innovative atypical antipsychotic that allows minimal peak-to-through fluctuations with once-daily dosing.

Objective

To evaluate effectiveness, safety and tolerability of flexible, once-daily doses of paliperidone ER (3–12 mg/day) in patients with schizophrenia from Argentina and Colombia who had previously failed treatment with other antipsychotic agents.

Methods

The authors conducted a 6-month, open-label, prospective and multicentric study. Effectiveness was assessed with Positive and Negative Syndrome Scale (PANSS) and Personal and Social Performance scale (PSP). Other measures of effectiveness, safety and tolerability, were also conducted.

Results

Paliperidone ER 3–12 mg/day improved Positive and Negative Syndrome Scale (PANSS) total scores (primary endpoint) from baseline to study end (p < 0,001). In the PANSS total score, the mean change from baseline (83, 9 units) to end point (53,7 units) was significant (p < 0,001). Flexible doses of paliperidone ER demonstrated a ≥20% reduction in the PANSS total score (p<0.001) in almost two-thirds of patients. PSP mean change from baseline (52 units) to end point (85 units) was significant (p < 0,001). Secondary effectiveness assessments, as well as safety and tolerability measures, demonstrated favourable results throughout the study.

Conclusions

Flexible doses of paliperidone ER over 6 months were effective, safe and well tolerated in patients with schizophrenia from Argentina and Colombia.

Key words:
Effectiveness
paliperidone ER
schizophrenia
safety
tolerability
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El estudio fue financiado en su totalidad con recursos provenientes de la Compañía Janssen-Cilag. Fue presentado como póster en el L Congreso Nacional de Psiquiatría, Cartagena, Colombia, el 15 de octubre de 2011.

Conflictos de interés: Rodrigo Córdoba: ha participado como investigador en estudios patrocinados por las compañías AstraZeneca, Forest, Janssen, Lundbeck, MSD, Otsuka, Pfizer, Sanofi-Aventis, Solvey y Sunovion; ha recibido subvenciones de investigación de AstraZeneca, Janssen y Pfizer. Juan Fernando Cano: ha recibido honorarios por consultoría del laboratorio Janssen; haparticipado como investigador en estudios patrocinados por las compañías AstraZeneca, Forest, Janssen, Lundbeck, MSD, Otsuka, Pfizer, Sanofi-Aventis y Sunovion. César Arango: no reporta conflicto de intereses. Carlos Miranda: no reporta conflicto de intereses. Jorge Holguín: ha sido conferencista y ha recibido honorarios por consultoría de los laboratorios AstraZeneca, Eli Lilly, Janssen y Lundbeck. Darío Fernández: no reporta conflicto de intereses. Miguel Márquez: ha recibido aportes para investigación y/u honorarios por consultoría de las compañías AstraZeneca, Bagó, Eli Lilly, Forester, Gador, Glaxo, Janssen, Otsuka, Pfizer, Sanofi-Aventis, Servier, Shering y Wyeth; ha sido orador para los laboratorios Bagó, Eli Lilly, Glaxo, Janssen, Lundbeck, Pfizer, Servier y Temis-Lostaló. Christian Lupo: ha recibido subvenciones de investigación y ha sido investigadora principal de Novartis, Eli Lilly, Lundbeck, Servier, AstraZeneca, Wyeth, Pfizer, Otsuka Pharmaceuticals, Janssen; ha participado como disertante para laboratorios Eli Lilly y Servier. Pedro Gargoloff: ha recibido subvenciones de investigación de Astra Zeneca, BMS, Eli Lilly, Glaxo SmithKline, Janssen Pharmaceutical, Lundbeck, Novartis, Osmótica, Pfizer, Pharmacia, Sanofi-Aventis, Servier y Wyeth. Gustavo Petracca: no reporta conflicto de intereses. César Lucchetti: no reporta conflicto de intereses.

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