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Sirtex anuncia los resultados preliminares del estudio SIRFLOX


News provided by

Sirtex Medical Limited

Mar 17, 2015, 10:40 ET

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SYDNEY, March 17, 2015 /PRNewswire/ --

  • En el tratamiento en primera línea del cáncer colorrectal metastásico no resecable:  
  • El estudio SIRFLOX no muestra ninguna mejora estadísticamente significativa en la supervivencia libre de progresión global.  
  • El estudio SIRFLOX muestra una mejora significativa de la supervivencia libre de progresión en el hígado.  
  • Los datos deberán presentarse para ser revisados Reunión Anual de 2015 de la Sociedad Americana de Oncología Clínica (American Society of Clinical Oncology) (ASCO)  

La empresa Sirtex Medical Limited (ASX: SRX) se complace en anunciar hoy los resultados preliminares del estudio clínico de SIRFLOX.


     (Logo: http://photos.prnewswire.com/prnh/20150119/724485 )


     (Logo: http://photos.prnewswire.com/prnh/20150317/182238LOGO )

Basado en el análisis preliminar recién terminado, no se alcanzó el objetivo primario del estudio SIRFLOX. El análisis preliminar muestra que la adición de las microesferas de resina SIR-Spheres® Y-90 a un régimen de quimioterapia sistémica común de primera línea para el tratamiento del cáncer colorrectal metastásico no resecable (mCRC), no resulta en una mejora estadísticamente significativa de la supervivencia libre de progresión global (PFS). Las medidas de la PFS global analizan la progresión de tumores existentes y/o el desarrollo de nuevos tumores en cualquier órgano o parte del cuerpo.

Sirtex se congratula de que el análisis preliminar mostrase que las microesferas de resina SIR-Spheres Y-90 resultaron en una mejora estadísticamente significativa de la supervivencia libre de progresión en el hígado. Este punto final secundario del estudio es importante, ya que los tumores hepáticos son generalmente la única, o dominante, localización de la enfermedad en los pacientes con mCRC y son las que más influyen sobre la supervivencia. Hasta un 90% de los pacientes con mCRC mueren por insuficiencia hepática, debido a los efectos locales de los tumores hepáticos [1]. Las microesferas de resina SIR-Spheres Y-90 están destinadas específicamente para tratar los tumores hepáticos.

Como ya se indicó con anterioridad (recientemente el 9 de octubre de 2014), los resultados del estudio SIRFLOX y los análisis preliminares requieren aún la verificación y validación mediante el proceso de revisión académica.  La presentación en una conferencia científica y/o la publicación en una revista médica son partes esenciales de este proceso.

Por lo tanto los resultados finales y análisis detallados correspondientes del SIRFLOX serán presentados en la Reunión Anual de la American Society of Clinical Oncology (ASCO), que se celebrará del 29 de mayo al 2 de junio 2015 en Chicago, Illinois.

Sobre el estudio SIRFLOX  

El SIRFLOX es un estudio internacional, multicéntrico, controlado y randomizado que incluyó más de 500 pacientes con mCRC, cuya enfermedad era no operable y se había diseminado bien al hígado solo o al hígado y a una serie limitada de localizaciones extrahepáticas, incluidos los nódulos linfáticos y los pulmones. Los pacientes fueron randomizados para recibir bien un régimen de quimoterapia sistémica común de primera línea, con administración de FOLFOX (ácido folínico, 5-fluorouracil y oxaliplatino) con la opción de recibir bevacizumab (Avastin®) o la misma quimioterapia con la adición de una única administración de microesferas de resina SIR-Spheres Y-90.

El estudio se llevó a cabo en más de 100 hospitales en Australia, Europa, Israel, Nueva Zelanda y los EE.UU.

Para obtener más informaciones, puede visitar http://www.sirflox.com, y la publicación de ASX editada por la Compañía el 9 de octubre de 2014.

Sobre Sirtex Medical Limited  

Para más información, puede visitar http://www.sirtex.com

SIR-Spheres® es una marca registrada de Sirtex SIR-Spheres Pty Ltd.

Bibliografía  

1. Kennedy A; Coldwell D et al. Resin 90Y-microsphere brachytherapy for non-resectable colorectal liver metastases: modern USA experience. Int. J. Radiation Oncology Biol. Phys 2006; 65 (2): 412-425.

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