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handle: 10261/31350
[EN]The invention relates to the preparation of acrylic formulations containing: a bioactive component; bioactive glass or silica nanoparticles having different sizes and morphologies, such as aerosil; and an anti-inflammatory drug comprising phosphate groups, which can be injected and cured in situ. Said type of formulations are intended for percutaneous vertebroplasties, bone defects produced following the recession of tumours or hypertrophies and biomechanical stabilisation in the field of osteoporosis with loss of bone mass. At present, the formulations used for said purpose comprise commercial acrylic bone cement formulations which do not have suitable fluidity and radiopacity properties.[ES]El Objeto de esta invenci6n es el desarrollo de formulaciones acrilicas portadoras de un componente bioactivo, vidrios bioactivos o nanoparticulas de silice con diferentes tamaxos y morfologias tales como aerosil, y de un farmaco antiinflamatorio portador de gmpos fosfato, que Sean inyectables y de curado "in situ". Este tipo de formulaciones estan disenadas para su aplicaci6n en vertebroplastias percutaneas, defectos 6seos producidos tras recesi6n de tumores o de hipertrofias, y estabilizaci6n biomecanica en cuadros de osteoporosis con p6rdida de masa 6sea. Actualmente las formulaciones que se utilian para esta aplicaci6n son ]as formulaciones comerciales de cementos 6seos acrilicos que no presentan las caracterisiticas de adecuada fluidez y radiopacidad.
Fecha de solicitud: 24.05.2004.- Titular: Consejo Superior de Investigaciones Científicas (CSIC).
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