pH-sensitive liposomes for drug delivery in cancer treatment

Author:

Ferreira Diego dos Santos1,Lopes Sávia Caldeira de Araújo1,Franco Marina Santiago1,Oliveira Mônica Cristina2

Affiliation:

1. Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Avenue Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil

2. Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Avenue Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil.

Abstract

In recent years, liposomes have been employed with growing success as pharmaceutical carriers for antineoplastic drugs. One specific strategy used to enhance in vivo liposome-mediated drug delivery is the improvement of intracytoplasmic delivery. In this context, pH-sensitive liposomes (pHSLip) have been designed to explore the endosomal acidification process, which may lead to a destabilization of the liposomes, followed by a release of their contents into the cell cytoplasm. This review considers the current status of pHSLip development and its applicability in cancer treatment, focusing on the mechanisms of pH sensitivity and liposomal composition of pHSLip. The final section will discuss the application of these formulations in both in vitro and in vivo studies of antitumor efficacy.

Publisher

Future Science Ltd

Subject

Pharmaceutical Science

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