El plazo fijado para la publicación de la opinión definitiva del citado comité evaluador de medicamentos finaliza en el segundo trimestre de este año, por lo que la autorización para la UE se producirá "aproximadamente en ese plazo". La FDA norteamericana aprobó el pasado 21 de noviembre de 2001 el primer anticonceptivo hormonal que se administra mediante un parche cutáneo. El fármaco está compuesto por un progestágeno denominado norelgestromina en combinación con el estrógeno etinilestradiol.
Esta combinación de estrógenos y progestágenos se administra una vez por semana y se introduce en el torrente sanguíneo a través de la piel para prevenir embarazos. Esta alternativa a la "píldora" consiste en un parche de 3,6 centímetros con tres capas de grosor. Las hormonas están almacenadas en la capa adhesiva y son liberadas lentamente a partir del momento de su aplicación.
Las mujeres que opten por este producto deben aplicárselo en la parte baja del abdomen. Cada parche ha de estar adherido de forma continua durante una semana y, transcurrido ese período, en el mismo día, debe sustituirse por uno nuevo. El proceso se realiza durante tres semanas cada ciclo menstrual.
Webs Relacionadas
R. W. Johnson Pharmaceutical Research Institute
http://www.rwjpri.com/lajolla/
Información sobre Ortho Evra
http://www.orthoevra.com/
EMEA
http://www.emea.eu.int/
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