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Metanálisis de ensayos clínicos que compararon los antagonistas de los receptores de serotonina (5HT)-2 trazodona y nefazodona con inhibidores selectivos de la recaptación de serotonina para el tratamiento del trastorno depresivo mayor

Published online by Cambridge University Press:  12 May 2020

George I. Papakostas
Affiliation:
Departamento de Psiquiatría, Programa de Depresión Clínica e Investigación, Hospital General de Massachusetts, Facultad de Medicina de Harvard, 15 Parkman Street, WAC 812, Boston, MA 02114, Estados Unidos
Maurizio Fava
Affiliation:
Departamento de Psiquiatría, Programa de Depresión Clínica e Investigación, Hospital General de Massachusetts, Facultad de Medicina de Harvard, 15 Parkman Street, WAC 812, Boston, MA 02114, Estados Unidos
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Resumen

Objetivo.

Comparar las tasas de respuesta de pacientes con trastorno depresivo mayor (TDM) tratados con un antagonista de los receptores de serotonina-2 (5HT2) o un inhibidor selectivo de la recaptación de serotonina (ISRS).

Métodos.

Se buscaron en Medline y PubMed todos los ensayos doble ciegos, clínicos y aleatorizados que compararon trazodona o nefazodona con un ISRS para el tratamiento del TDM. Se recogieron datos de 9 artículos con un total de 988 pacientes y se combinaron usando un modelo de efectos aleatorios.

Resultados.

Los pacientes aleatorizados para un tratamiento con un antagonista de 5HT2 tenían tantas probabilidades de conseguir una respuesta clínica como los pacientes aleatorizados al tratamiento con un ISRS (RR = 1,002, IC 95%: 0,85-1,17, P = 0,978). Las tasas de respuesta agrupadas para trazodona/nefazodona y para el ISRSS fueron 61,1% y 61,7%, respectivamente. No hubo ninguna diferencia en las tasas de suspensión total del tratamiento (P = 0,334), suspensión debida a efectos secundarios (P = 0,676) o suspensión debida a la ineficacia (P = 0,289) entre los dos grupos.

Conclusiones.

Estos resultados sugieren que los antagonistas de los receptores 5HT2 -trazodona y nefazodona- y los ISRSS no se diferencien en su eficacia y tolerabilidad total para el tratamiento del TDM. Aunque el tamaño de la muestra fue relativamente grande y tuvo poder estadístico suficiente para probar las diferencias en la muestra total, la depresión es una enfermedad heterogénea y pueden existir diferencias entre los tratamientos en los distintos subgrupos de pacientes.

Type
Artículo original
Copyright
Copyright © European Psychiatric Association 2008

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