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Int J Pharm. 2004 Jun 18;278(1):1-23.

Poly-epsilon-caprolactone microspheres and nanospheres: an overview.

Author information

1
University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India. vr_sinha@yahoo.com

Abstract

Poly-epsilon-caprolactone (PCL) is a biodegradable, biocompatible and semicrystalline polymer having a very low glass transition temperature. Due to its slow degradation, PCL is ideally suitable for long-term delivery extending over a period of more than one year. This has led to its application in the preparation of different delivery systems in the form of microspheres, nanospheres and implants. Various categories of drugs have been encapsulated in PCL for targeted drug delivery and for controlled drug release. Microspheres of PCL either alone or of PCL copolymers have been prepared to obtain the drug release characteristics. This article reviews the advancements made in PCL-based microspheres and nanospheres with special reference to the method of preparation of these and their suitability in developing effective delivery systems.

PMID:
15158945
DOI:
10.1016/j.ijpharm.2004.01.044
[Indexed for MEDLINE]

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