ELASTIC LIPOSOME: DRUG DELIVERY ACROSS HUMAN SKIN
Journal Title: International Research Journal of Pharmacy (IRJP) - Year 2012, Vol 3, Issue 4
Abstract
Transdermal drug delivery is hardly an old technology, since 1800’s and the technology is no longer just adhesive patches. Due to recent advances in technology and the ability to apply the drug to the site of action without rupturing the skin membrane, transdermal route is becoming a widely accepted route of drug administration. Recently, various strategies have been used to augment the transdermal delivery of bioactives. Mainly, they include iontophoresis, electrophoresis, sonophoresis, chemical permeation enhancers, micro needles, and vesicular system. Among these strategies elastic liposomes appear promising. Elastic liposomes possess an infrastructure consisting of hydrophobic and hydrophilic moieties together and as a result can accommodate drug molecules with wide range of solubility. It is an ultra deformable vesicle, elastic in nature which can squeeze itself through a pore which is many times smaller than its size owing to its elasticity. They can deform and pass through narrow constriction (from 5 to 10 times less than their own diameter) without measurable loss. This high deformability gives better penetration of intact vesicles. This system is much more efficient at delivering a low and high molecular weight drug to the skin in terms of quantity and depth. The article speaks specifically on various phenomenon associated with the properties of these vesicles and their transport mechanisms. It also throws light on the effectiveness of conventional and deformable vesicles as drug delivery systems as well as their possible mode of action as transdermal drug carriers.
Authors and Affiliations
Harsh Vardhan , Annu Kumari , Rahul Bhaskar , Vandana Jha
Keywords
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