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Accumetrics anuncia la publicación de los resultados primarios GRAVITAS en el JAMA
  • Brazil - Português

Se recomienda la evaluación de estrategias de tratamiento alternativas que incorporen pruebas de la función plaquetaria


News provided by

Accumetrics, Inc.

Mar 16, 2011, 01:55 ET

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SAN DIEGO, 16 de marzo del 2011 /PRNewswire/ -- Accumetrics, Inc., desarrollador del sistema VerifyNow®, el primero en el lugar de cuidado rápido y fácil de usar para medir la reactividad de plaquetas ante varios agentes antiplaquetarios, anunció hoy que se han publicado los resultados primarios del ensayo GRAVITAS en The Journal of the American Medical Association (1).

Presentado en primer lugar en las Sesiones Científicas Anuales de la Asociación Cardíaca Estadounidense (American Heart Association) en noviembre del 2010, los resultados refutan una estrategia de que un tamaño se aplica a todo de duplicar uniformemente la dosis de clopidogrel (Plavix®) durante seis meses en pacientes con una alta reactividad en tratamiento (respuesta baja) luego de tomar una dosis estándar del fármaco antiplaquetario comúnmente recetado.

Si bien se registró una modesta reducción en la reactividad plaquetaria en los pacientes GRAVITAS que recibieron, durante seis meses, una dosis doble de Plavix en comparación con la dosis estándar, no fue suficiente para afectar los resultados totales, lo que llevó a los autores a sugerir que la inhibición plaquetaria más potente puede haber resultado beneficiosa.

Además, y en consonancia con numerosos estudios previos, el ensayo demostró una asociación entre la reactividad plaquetaria en tratamiento y la producción de eventos cardíacos adversos, tales como la muerte, los paros cardíacos y la trombosis del stent.

"Las conclusiones GRAVITAS no apoyan una estrategia de tratamiento uniforme para pacientes con alta reactividad plaquetaria en tratamiento", dijo Matthew J. Price, MD, de Scripps Translational Science Institute y Scripps Clinic en La Jolla, California, autor principal del artículo e investigador principal del ensayo GRAVITAS. "En vez de recetar una mayor dosis fija de clopidogrel sobre la base de una única prueba de función plaquetaria posterior a una intervención coronaria percutánea, necesitamos considerar estrategias de tratamiento alternativas que incorporen la prueba de funciones plaquetarias, tales como el uso de agentes antiplaquetarios más potentes o pruebas repetidas de un destinatario específico de reactividad".

El artículo informa que el 41% de los pacientes del ensayo GRAVITAS registró una alta reactividad plaquetaria en tratamiento luego de recibir Plavix®. Este resultado es coherente con los estudios previos que indican que hasta 1 de 3 pacientes pueden no estar respondiendo adecuadamente al tratamiento antiplaquetario. Son numerosos los factores asociados con la baja respuesta plaquetaria, entre ellos, enfermedades crónicas preexistentes, como diabetes, interferencia de otras medicaciones, falta de cumplimiento y genética.

"GRAVITAS recalca la necesidad de crear estrategias de tratamiento más individualizadas para pacientes cardiovasculares", detalló Timothy I. Still, presidente y director ejecutivo de Accumetrics. "A medida que las opciones de tratamiento antiplaquetario se encuentren disponibles, el sistema VerifyNow continúa ayudando a los médicos a evaluar mejor la respuesta de los pacientes al tratamiento".

El sistema VerifyNow se utiliza ampliamente en diferentes entornos clínicos en los que se recetan medicaciones antiplaquetarias para reducir la producción de eventos trombóticos futuros tales como paros cardíacos y accidentes cerebrovasculares.

(1) Price MJ, Berger PB, Teirstein PS, et al. Standard- vs High-Dose Clopidogrel Based on Platelet Function Testing After Percutaneous Coronary Intervention. JAMA.2011;305[11]1097-1105.

Acerca de Accumetrics

Accumetrics está comprometida con el avance de la comprensión médica de la función plaquetaria y con la mejora de la calidad de la atención para pacientes que reciban tratamientos antiplaquetarios brindando pruebas de diagnóstico líderes en el sector y de fácil acceso para la evaluación rápida de la función plaquetaria.

El sistema VerifyNow de Accumetrics es la primera plataforma rápida y fácil de usar para ayudar a los médicos a determinar la respuesta de un individuo ante múltiples agentes antiplaquetarios. Abarcando todos los medicamentos antiplaquetarios de importancia, incluidos los productos aprobados por la FDA para aspirina, inhibidores P2Y12 (p. ej., prasugrel (Effient®) y clopidogrel (Plavix®)), e inhibidores GP IIb/IIIa (p.ej. ReoPro® e Integrilin®), el sistema VerifyNow brinda información valiosa para ayudar a los médicos a tomar decisiones informadas sobre tratamientos. Para obtener más información sobre la compañía y sus productos, visite www.accumetrics.com .

El logo de Accumetrics y VerifyNow son marcas comerciales registradas de Accumetrics, Inc. ReoPro es una marca comercial registrada de Centocor, Inc. Integrilin es una marca comercial registrada de Millennium Pharmaceuticals. Plavix es una marca comercial registrada de sanofi-aventis. Effient es una marca comercial registrada de Eli Lilly and Company.

CONTACTO:

Jakob Jakobsen

310-309-1003

[email protected]



Timothy I. Still

Presidente y director ejecutivo de Accumetrics

858-404-8260

[email protected]


FUENTE  Accumetrics, Inc.

FUENTE Accumetrics, Inc.

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