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Poly(d,l-lactide-co-glycolide)–chitosan composite particles for the treatment of lung cancer

Authors Arya N, Katti D

Received 25 November 2014

Accepted for publication 22 January 2015

Published 16 April 2015 Volume 2015:10(1) Pages 2997—3011


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Prof. Dr. Thomas J. Webster

Neha Arya, Dhirendra S Katti

Department of Biological Sciences and Bioengineering, Indian Institute of Technology – Kanpur, Kanpur, Uttar Pradesh, India

Abstract: Tumor heterogeneity makes combination chemotherapy one of the preferred modes of treatment regimens. In this work, sequential exposure of two anticancer agents, paclitaxel (Tx) followed by topotecan (TPT), was shown to have a synergistic effect on non-small cell lung cancer (NSCLC) cell line, NCI-H460. In order to improve patient compliance, the aforementioned concept was translated into a drug delivery system comprising of poly(d,l-lactide-co-glycolide) (PLGA)–chitosan composite particles. TPT-containing chitosan micro-/nanoparticles were prepared by the facile technique of electrospraying and encapsulated within PLGA microparticles using emulsion-solvent evaporation technique for delayed release of TPT. The formulation containing Tx- and TPT-loaded composite particles demonstrated synergism when exposed to NCI-H460 cellular aggregates (tumoroids) generated in vitro. Overall, the results of this study demonstrated the potential of the formulation containing Tx and PLGA–chitosan (TPT-loaded) composite particles for the treatment of lung cancer.

Keywords: drug delivery system, solid tumor, paclitaxel, topotecan, sequential admini­stration

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