POLYMERIC NANOSPHERES COATED WITH CHITOSAN FOLATE AND USE OF THE SAME

The present invention describes nanoparticles with polymer walls as a carrier system coated with chitosan folate and containing a chemotherapeutic drug, with improved targeting of action sites, bioadhesion and biocompatibility, and less toxicity. The subject matter of the present invention can there...

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Hauptverfasser: CALDERINI, ADRIANA, PESSINE, FRANCISCO BENEDITO TEIXEIRA
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PESSINE, FRANCISCO BENEDITO TEIXEIRA
description The present invention describes nanoparticles with polymer walls as a carrier system coated with chitosan folate and containing a chemotherapeutic drug, with improved targeting of action sites, bioadhesion and biocompatibility, and less toxicity. The subject matter of the present invention can therefore be of great interest in sustained drug release systems used in the treatment of solid tumours orally, intravenously or topically. La présente invention concerne des nanoparticules à parois polymères utilisées comme système porteur, recouvertes de folate de chitosane contenant un agent chimiothérapeutique, présentant des améliorations en termes de ciblage des sites d'action, de bioadhésivité et de biocompatibilité, ainsi qu'une toxicité réduite. Ainsi, l'objet de la présente invention peut être de grand intérêt pour les systèmes à libération prolongée d'agents pharmaceutiques dans le traitement de tumeurs solides, par voie orale, intraveineuse ou topique. A presente invenção descreve nanopartículas de paredes poliméricas como sistema carreador recoberta por folato de quitosana contendo um quimioterápico, com maior direcionamento aos locais de ação, bioadesividade, biocompatibilidade e menor toxicidade. Dessa forma, o objeto da presente invenção pode ser de grande interesse para sistemas de liberação sustentada de fármacos no tratamento de tumores sólidos, por via oral, intravenosa ou tópica.
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subjects HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
title POLYMERIC NANOSPHERES COATED WITH CHITOSAN FOLATE AND USE OF THE SAME
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