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Lipid, sugar and liposaccharide based delivery systems 2
1School of Molecular and Microbial Sciences, The University of Queensland, St. Lucia, Queensland 4072, Australia.
Current Medicinal Chemistry
|September 24, 2004
Summary
Many potential drugs fail due to poor bioavailability. This review highlights chemical systems, including lipid and sugar conjugates, that enhance drug properties for better delivery and targeting, improving therapeutic potential.
Area of Science:
- Pharmaceutical Chemistry
- Drug Delivery Systems
- Biotechnology
Background:
- Poor bioavailability limits the clinical application of numerous biologically active compounds.
- Developing effective drug delivery systems is crucial for overcoming pharmacokinetic challenges.
- Previous reviews have addressed drug delivery, necessitating an update on recent advancements.
Purpose of the Study:
- To review progress in chemical systems designed to enhance drug bioavailability.
- To highlight conjugation strategies involving lipid and sugar moieties for drug improvement.
- To discuss targeted drug delivery and the role of lipids in gene delivery.
Main Methods:
- Literature review of chemical systems for drug delivery.
- Analysis of conjugation methods for lipids and sugars with drug molecules.
- Examination of targeted delivery strategies using carbohydrate and lipid components.
Main Results:
- Lipid and sugar conjugations show promise in improving metabolic stability, absorption, and physicochemical properties of drugs.
- Novel conjugation techniques are emerging for attaching these moieties to drug candidates.
- Sugar molecules offer potential for organ- or cell-specific drug targeting.
- Lipids are increasingly utilized in the field of gene delivery.
Conclusions:
- Chemical modification using lipid and sugar conjugates represents a significant strategy to improve drug bioavailability.
- Targeted delivery and gene delivery applications are expanding with advancements in lipid and carbohydrate chemistry.
- Continued research in these areas is vital for developing next-generation therapeutics.