A ceramic-based anticancer drug delivery system to treat breast cancer

Drug delivery systems offer the advantage of sustained targeted release with minimal side effect. In the present study, the therapeutic efficacy of a porous silica–calcium phosphate nanocomposite (SCPC) as a new delivery system for 5-Fluorouracil (5-FU) was evaluated in vitro and in vivo. In vitro s...

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Veröffentlicht in:Journal of materials science. Materials in medicine 2010-09, Vol.21 (9), p.2701-2710
Hauptverfasser: El-Ghannam, Ahmed, Ricci, Krista, Malkawi, Ahmed, Jahed, Kiarash, Vedantham, Kumar, Wyan, Heather, Allen, Lauren D., Dréau, Didier
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container_end_page 2710
container_issue 9
container_start_page 2701
container_title Journal of materials science. Materials in medicine
container_volume 21
creator El-Ghannam, Ahmed
Ricci, Krista
Malkawi, Ahmed
Jahed, Kiarash
Vedantham, Kumar
Wyan, Heather
Allen, Lauren D.
Dréau, Didier
description Drug delivery systems offer the advantage of sustained targeted release with minimal side effect. In the present study, the therapeutic efficacy of a porous silica–calcium phosphate nanocomposite (SCPC) as a new delivery system for 5-Fluorouracil (5-FU) was evaluated in vitro and in vivo. In vitro studies showed that two formulations; SCPC50/5-FU and SCPC75/5-FU hybrids were very cytotoxic for 4T1 mammary tumor cells. In contrast, control SCPCs without drug did not show any measurable toxic effect. Release kinetics studies showed that SCPC75/5-FU hybrid provided a burst release of 5-FU in the first 24 h followed by a sustained release of a therapeutic dose (30.7 μg/day) of the drug for up to 32 days. Moreover, subcutaneous implantation of SCPC75/5-FU hybrid disk in an immunocompetent murine model of breast cancer stopped 4T1 tumor growth. Blood analyses showed comparable concentrations of Ca, P and Si in animals implanted with or without SCPC75 disks. These results strongly suggest that SCPC/5-FU hybrids can provide an effective treatment for solid tumors with minimal side effects.
doi_str_mv 10.1007/s10856-010-4121-6
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Materials in medicine</title><addtitle>J Mater Sci: Mater Med</addtitle><addtitle>J Mater Sci Mater Med</addtitle><description>Drug delivery systems offer the advantage of sustained targeted release with minimal side effect. In the present study, the therapeutic efficacy of a porous silica–calcium phosphate nanocomposite (SCPC) as a new delivery system for 5-Fluorouracil (5-FU) was evaluated in vitro and in vivo. In vitro studies showed that two formulations; SCPC50/5-FU and SCPC75/5-FU hybrids were very cytotoxic for 4T1 mammary tumor cells. In contrast, control SCPCs without drug did not show any measurable toxic effect. Release kinetics studies showed that SCPC75/5-FU hybrid provided a burst release of 5-FU in the first 24 h followed by a sustained release of a therapeutic dose (30.7 μg/day) of the drug for up to 32 days. Moreover, subcutaneous implantation of SCPC75/5-FU hybrid disk in an immunocompetent murine model of breast cancer stopped 4T1 tumor growth. 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subjects Antineoplastic agents
Antineoplastic Agents - administration & dosage
Biological and medical sciences
Biomaterials
Biomedical Engineering and Bioengineering
Biomedical materials
Breast cancer
Breast Neoplasms - drug therapy
Ceramics
Chemistry and Materials Science
Chemotherapy
Composites
Drug delivery systems
Female
Glass
Gynecology. Andrology. Obstetrics
Humans
Mammary gland diseases
Materials Science
Medical sciences
Nanomaterials
Natural Materials
Pharmacology. Drug treatments
Polymer Sciences
Regenerative Medicine/Tissue Engineering
Surfaces and Interfaces
Thin Films
Tumors
title A ceramic-based anticancer drug delivery system to treat breast cancer
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