Abstract

Liposome was derived from two Greek words “Lipos meaning fat and Soma meaning body”. Liposome were spherical shaped vesicles consist of phospholipids and cholesterol. Due to their size hydrophobic and lipophilic character they are very promising system for drug delivery. This novel drug delivery system aims to target the drug directly to the site of action. Liposomes are very biocompatible and stable and have unique property to entrap both hydrophilic drug and lipophilic drug to its compartment and lead to controlled release effect. They are of 0.05- 5.0 micrometer in diameter. Liposomes are used for the treatment of various diseases like tumors or cancer. Liposomal Drug Delivery System and various aspects related to liposome that can be studied Compared with traditional drug delivery systems, liposomes exhibit better properties, including site-targeting, sustained or controlled release, protection of drugs from degradation and clearance, superior therapeutic effects, and lower toxic side effects. This review describes liposomes structure, composition, preparation methods, and evaluation clinical applications

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