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Crit Rev Oncol Hematol. 2014 Jan;89(1):62-72. doi: 10.1016/j.critrevonc.2013.08.001. Epub 2013 Aug 21.

Treatment innovations for metastatic breast cancer: nanoparticle albumin-bound (NAB) technology targeted to tumors.

Author information

1
Hospital Clínico Universitario de Valencia, Valencia, Spain.
2
Hospital Universitario de Donostia, San Sebastian, Spain.
3
Hospital Clínic, Barcelona, Spain.
4
Corporació Sanitària Parc Taulí, Barcelona, Spain.
5
Hospital del Mar-Parc de Salut Mar, Barcelona, Spain.
6
Centro Integral Oncológico Clara Campal, Madrid, Spain. Electronic address: lestevez@hmhospitales.com.

Abstract

In spite of recent advances in the treatment of metastatic breast cancer, this disease remains essentially incurable. Anthracyclines and taxanes have been widely demonstrated to be the most active cytotoxic drugs for the treatment of breast cancer. Paclitaxel and docetaxel are both hydrophobic drugs that need to be administered with detergent-like substances as solvents. In contrast, nanoparticle albumin-bound (nab) paclitaxel uses the natural characteristics of albumin to reversibly bind paclitaxel, transport it across endothelial cells and concentrate the active ingredient within the tumor. Several trials have demonstrated that nab-paclitaxel results in superior efficacy, with more complete responses, prolonged time to recurrence and survival, than paclitaxel and docetaxel in MBC. As second-line treatment, the novel formulation has almost doubled overall response rate, increased time to progression and overall survival in comparison with paclitaxel. Due to these results, to date nab-paclitaxel stands out as a promising treatment of metastatic breast cancer.

KEYWORDS:

Chemotherapy; Metastatic breast cancer; Nab-paclitaxel; SPARC; Taxane

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