Self-assembling doxorubicin silk hydrogels for the focal treatment of primary breast cancer

Friedrich Philipp Seib, Eleanor M. Pritchard, David L. Kaplan

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Standard care for early stage breast cancer includes tumor resection and local radiotherapy to achieve long-term remission. Systemic chemotherapy provides only low locoregional control of the disease; to address this, self- assembling silk hydrogels that can retain and then deliver doxorubicin locally are described. Self-assembling silk hydrogels show no swelling, are readily loaded with doxorubicin under aqueous conditions, and release drug over 4 weeks in amounts that can be fine-tuned by varying the silk content. Fol- lowing successful in vitro studies, locally injected silk hydrogels loaded with doxorubicin show excellent antitumor response in mice, outperforming the equivalent amount of doxorubicin delivered intravenously. In addition to reducing primary tumor growth, doxorubicin-loaded silk hydrogels reduce metastatic spread and are well tolerated in vivo. Thus, silk hydrogels are
well suited for the local delivery of chemotherapy and provide a promising approach to improve locoregional control of breast cancer.
LanguageEnglish
Pages58–65
Number of pages8
JournalAdvanced Functional Materials
Volume23
Issue number1
Early online date15 Aug 2012
DOIs
Publication statusPublished - 7 Jan 2013

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silk
Hydrogels
Silk
assembling
breast
Doxorubicin
cancer
Chemotherapy
chemotherapy
Tumors
tumors
Radiotherapy
swelling
mice
Swelling
radiation therapy
delivery
drugs
Pharmaceutical Preparations

Keywords

  • silk hydrogels
  • cancer
  • adriamycin
  • drug delivery

Cite this

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Self-assembling doxorubicin silk hydrogels for the focal treatment of primary breast cancer. / Seib, Friedrich Philipp; Pritchard, Eleanor M.; Kaplan, David L.

In: Advanced Functional Materials, Vol. 23, No. 1, 07.01.2013, p. 58–65.

Research output: Contribution to journalArticle

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