Drug Delivery Systems for Photodynamic Therapy

Authors: Donnelly, Ryan F.; McCarron, Paul A.; Woolfson, David

Source: Recent Patents on Drug Delivery & Formulation, Volume 3, Number 1, January 2009 , pp. 1-7(7)

Publisher: Bentham Science Publishers

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Abstract:

Photodynamic therapy (PDT) is a medical treatment in which a combination of a photosensitising drug and visible light causes destruction of selected cells. Over the past two decades, photodynamic therapy has enjoyed a period of intense investigation, both in the laboratory and in the clinic. Although still widely considered to be an experimental technique, its status and value within modern clinical practice continues to grow. The PDT field has, to date, been dominated by a small number of pharmaceutical companies and inhabited almost exclusively by clinicians and those involved in fundamental scientific research. True pharmaceutical formulation development has been limited, to some extent, by financial constraints. If PDT is to realise its undoubted potential in clinical practice it is important that awareness of the need for appropriate photosensitiser delivery systems is raised. Accordingly, this article deals with the innovations pertaining to drug delivery systems for photodynamic therapy as disclosed in recent patent literature.

Keywords: Photodynamic therapy; cancer; microbial infection; age-related macular degeneration; drug delivery

Document Type: Research article

DOI: http://dx.doi.org/10.2174/187221109787158319

Publication date: 2009-01-01

More about this publication?

Recent Patents on Drug Delivery and Formulation publishes review articles by experts on recent patents on drug delivery and formulation. A selection of important and recent patents on drug delivery and formulation is also included in the journal. The journal is essential reading for all researchers involved in the fields of drug delivery and formulation.