Metilfenidato de liberación prolongada 50/50 (medikinet®) dos veces al día, estudio abierto prospectivo

  1. Francisco Montañés Rada 1
  2. Miguel Angel Martínez Granero 2
  3. Margarita Vidal Fermoso 3
  4. Sergio Sanchez Romero 4
  5. Maria Josefa Andrés Prado 5
  1. 1 Jefe de la Unidad de Psiquiatría HUFA (Hospital Universitario Fundación Alcorcón)
  2. 2 Neuropediatra HUFA
  3. 3 Psiquiatra, CSM Arganda.Sergio Sanchez Romero, DUE HUFA
  4. 4 DUE HUFA
  5. 5 Psiquiatra, MIR Preventiva, HUFA
Revista:
Revista de Psiquiatría Infanto-Juvenil

ISSN: 2660-7271 1130-9512

Año de publicación: 2012

Volumen: 29

Número: 1

Páginas: 50-58

Tipo: Artículo

Otras publicaciones en: Revista de Psiquiatría Infanto-Juvenil

Resumen

Se presenta el primer estudio publicado en menores de 18 años (x=13,6; rango:10-16) en el que metilfenidato de liberación prolongada 50/50 de 8 horas de duración (medikinet®) es usado en dos tomas al día.En el contexto de un estudio abierto prospectivo, a 60 derivaciones consecutivas candidatas a tomar estimulan-tes de 8 a 21 horas pero que no podían tomar metilfeni-dato de acción inmediata, se les ofreció tomar dos do-sis de medikinet®: una dosis fija de 30 mg en desayuno (8:00 h) y otra en la tarde (15:00h) que podía ser de10 mg (n=34) ó 20 mg (n=6) con el objetivo de valorar eficacia y tolerancia.No hubo diferencias entre los 40 pacientes incluidos y los 20 no incluidos en el estudio. Los pacientes eran ca-sos moderados-severos (Conners de Profesores superior a 45).A las 8 semanas se alcanzó remisión parcial en el 27,5% (desaparición de al menos el 25% de síntomas ini-ciales) y remisión completa en el 63% de pacientes (sin-drómica en el 12,5%, sintomática en el 25% y funcional en el 22,5%).También se logró reducir la sintomatología de forma estadísticamente significativa (p<0,05) hasta puntos in-feriores a los de población normal, para todas las subes-calas de la escala de Eyberg, Conners de Padres y Profe-sores (excepto para la subescala de conducta del Conners de Profesores).Debido a la aparición de insomnio, 2 pacientes tuvie-ron que reducir dosis medikinet® de la tarde a 10 mg y 3 lo suspendieron por la tarde.

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