GHTM

Global Health and Tropical Medicine

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Home / Archives for Ferreira IM

Doxorubicin vs. ladirubicin: methods for improving osteosarcoma treatment.

  • Autores: Borges JP, Dias SJ, Ferreira IM, Novo C, Soares PI
  • Journal: Mini-Reviews in Medicinal Chemistry
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Doxorubicin+vs.+ladirubicin%3A+methods+for+improving+osteosarcoma+treatment

Osteosarcoma is the most common primary bone tumor in children and adolescents, with a 5-year disease free survival rate of 70%. Current chemotherapy regimens comprise a group of chemotherapeutic agents in which doxorubicin is included. However, tumor resistance to anthracyclines and cardiotoxicity are limiting factors for its usage.
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Towards the development of multifunctional chitosan-based iron oxide nanoparticles: Optimization and modelling of doxorubicin release

  • Autores: Borges JP, Ferreira IM, Novo CMM, Soares PIP, Sousa AI
  • Ano de Publicação: 2016
  • Journal: Carbohydr Polym
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/27561489

In the present work composite nanoparticles with a magnetic core and a chitosan-based shell were produced as drug delivery systems for doxorubicin (DOX). The results show that composite nanoparticles with a hydrodynamic diameter within the nanometric range are able to encapsulate more DOX than polymeric nanoparticles alone corresponding also to a higher drug release. Moreover the synthesis method of the iron oxide nanoparticles influences the total amount of DOX released and a high content of iron oxide nanoparticles inhibits DOX release. The modelling of the experimental results revealed a release mechanism dominated by Fickian diffusion.
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Application of hyperthermia for cancer treatment: recent patents review.

  • Autores: Borges JP, Ferreira IM, Igreja RA, Novo C, Soares PI
  • Journal: Recent Patents on Anti-Cancer Drug Discovery
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/21854362

Cancer is one of the main causes of death in the world and its incidence increases every day. Current treatments are insufficient and present many breaches. Hyperthermia is an old concept and since early it was established as a cancer treatment option, mainly in superficial cancers.
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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1349-008 Lisboa
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+351 213 652 600
+351 213 632 105

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