[Anti-tumor necrosis factor-α medications and pregnancy].

نویسندگان

  • Petru Cristian Simon
  • Antonio Vallano
چکیده

En los últimos años se han desarrollado medicamentos que inhiben el TNF-a, porque esta citocina tiene un efecto inflamatorio que condiciona el proceso patológico de diversas enfermedades autoinmunitarias sistémicas, como artritis reumatoide, psoriasis, enfermedades inflamatorias intestinales y otras. Actualmente existen en el mercado farmacéutico 5 fármacos que inhiben el TNF-a: 3 anticuerpos monoclonales (infliximab, adalimumab y golimumab), una proteı́na de fusión (etanercept) y un fragmento F’ab pegilado de un anticuerpo monoclonal (certolizumab pegilado). Estos medicamentos están clasificados en la categorı́a B de la Food and Drug Administration (FDA), es decir, los estudios en animales no indican riesgo para el feto, pero no existen estudios controlados en humanos. No se conoce con exactitud si estos fármacos atraviesan la barrera placentaria humana. Se ha sugerido que durante el primer y el segundo trimestre del embarazo es poco probable que atraviesen la placenta humana y, por lo tanto, se considera que no representan un riesgo para el embrión o el feto durante los 2 primeros trimestres del embarazo. Sin embargo, se han descrito casos en los que se han detectado concentraciones de algunos de estos fármacos, como por ejemplo infliximab o etanercept, en el suero fetal, incluso meses después del nacimiento, lo que sugiere que podrı́an atravesar la placenta, sobre todo en el tercer trimestre. Pero también se ha sugerido que tal vez podrı́a

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عنوان ژورنال:
  • Medicina clinica

دوره 141 6  شماره 

صفحات  -

تاریخ انتشار 2013