Polymeric colloidal particulate systems: intelligent tools for intracellular targeting of antileishmanial cargos.

Expert Opin Drug Deliv

CSIR-Central Drug Research Institute, CDRI communication No. 8523, Pharmaceutics Division , Lucknow-226031, UP , India +91 522 2612411 18 ; +91 522 2623405 ;

Published: December 2013

AI Article Synopsis

  • Targeted cargo delivery systems can effectively address the challenges of delivering antileishmanials by overcoming physiological barriers, despite some existing market limitations.
  • This review discusses the biology of leishmaniasis, how particulate systems interact with biological environments, and various targeting strategies including current therapies and the role of polymeric nanotechnology.
  • There is a pressing need for the development of site-specific antileishmanial carriers to enhance treatment effectiveness, reduce toxicity, and combat drug-resistant strains, with polymeric systems showing great promise in improving drug delivery outcomes and commercial viability.

Article Abstract

Introduction: Targeted cargo delivery systems can overcome drawbacks associated with antileishmanials delivery, by defeating challenges of physiological barriers. Various colloidal particulate systems have been developed in the past; few of them even achieved success in the market, but still are limited in some ways.

Areas Covered: This review is focused on the pathobiology of leishmaniasis, interactions of particulate systems with biological environment, targeting strategies along with current conventional and vaccine therapies with special emphasis on polymeric nanotechnology for effective antileishmanial cargo delivery.

Expert Opinion: The problems concerned with limited accessibility of chemotherapeutic cargos in conventional modes to Leishmania-harboring macrophages, their toxicity, and resistant parasitic strain development can be sorted out through target-specific delivery of cargos. Vaccination is another therapeutic approach employing antigen alone or adjuvant combinations delivered by means of a carrier, and can provide preventive measures against human leishmaniasis (HL). Therefore, there is an urgent need of designing site-specific antileishmanial cargo carriers for safe and effective management of HL. Among various colloidal carriers, polymeric particulate systems hold tremendous potential as an effective delivery tool by providing control over spatial and temporal distribution of cargos after systemic or localized administration along with enhancing their stability profile at a comparatively cost-effective price leading to improved chances of commercial applicability.

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http://dx.doi.org/10.1517/17425247.2013.838216DOI Listing

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