Title

Tumor-targeting multifunctional micelles for imaging and chemotherapy of advanced bladder cancer.

Document Type

Article

Publication Date

8-2013

JAX Location

Reprint Collection

JAX Source

Nanomedicine (Lond) 2013 Aug; 8(8):1239-51.

PMID

23199207

Abstract

Aim: This work aimed to determine if the treatment outcomes of bladder cancer could be improved by targeting micelles that are decorated with bladder cancer-specific ligands on the surface and loaded with the chemotherapeutic drug paclitaxel. Materials & methods: Targeting efficacy and specificity was determined with cell lines. An in vivo targeting and anti-tumor efficacy study was conducted in mice carrying patient-derived xenografts. Results & discussion: Targeting micelles were more efficient than nontargeting micelles in delivering the drug load into bladder cancer cells both in vitro and in vivo (p < 0.05). The micelle formulation of paclitaxel was less toxic than free paclitaxel in Cremophor(®) (Sigma, MO, USA) and allowed administration of three-times the maximum tolerated dose without increasing the toxicity. Targeting micelles were more effective than the nontargeting micelles in controlling cancer growth (p = 0.0002) and prolonging overall survival (p = 0.002). Conclusion: Targeting micelles loaded with paclitaxel offer strong potential for clinical applications in treating bladder cancer. Original submitted 16 March 2012; Revised submitted 30 August 2012; Published online 2 December 2012. Nanomedicine (Lond) 2013 Aug; 8(8):1239-51.

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