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Liposomes for intravenous drug targeting: design and applications
J M Metselaar1, E Mastrobattista, G Storm
1Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences (IUPS), Utrecht University, PO Box 80.082, The Netherlands.
Mini Reviews in Medicinal Chemistry
|October 9, 2002
Summary
Liposomes offer effective intravenous drug targeting through passive and active strategies. These methods enhance drug delivery by improving circulation time or utilizing specific ligands for cell interaction.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Pharmacology
Background:
- Liposomes have been utilized for drug delivery for over two decades.
- Clinical applications demonstrate the efficacy of liposome-based drug targeting.
Purpose of the Study:
- To review the design principles of liposomes for intravenous drug targeting.
- To outline the applications of passive and active targeting strategies using liposomes.
Main Methods:
- Overview of liposome design for prolonged circulation and target localization (passive targeting).
- Description of ligand conjugation to liposome surfaces for enhanced cellular interaction (active targeting).
Main Results:
- Passive targeting relies on the enhanced permeability and retention effect for tumor accumulation.
- Active targeting employs specific ligands to bind to receptors on target cells, increasing specificity.
- Both approaches aim to improve drug concentration at the target site while minimizing systemic toxicity.
Conclusions:
- Liposome-based drug delivery systems provide versatile platforms for both passive and active targeting.
- Strategic design of liposomes is crucial for optimizing drug delivery and therapeutic outcomes.
- Further research into liposome engineering can enhance their clinical utility in various diseases.