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Phosphagenics Announces Completion of Transdermal Patch Prototypes
Date:5/29/2009

- Oxycodone Successfully Delivered into the Bloodstream

- Data Demonstrates Sustained Release and Increased Blood Levels of Oxycodone

MELBOURNE, Australia, May 29 /PRNewswire-FirstCall/ -- Phosphagenics Limited ("Phosphagenics") (ASX: POH; OTCQX: PPGNY) today announced the successful completion of preclinical studies related to its patented TPM/oxycodone transdermal patch system. The results of the preclinical studies demonstrated that by incorporating TPM/oxycodone into innovative patch systems developed by Phosphagenics, the delivery of oxycodone was significantly increased when compared to the Company's TPM/oxycodone gel alone.

"The development of the proprietary transdermal patch systems is a major step in advancing the Company's TPM delivery platform technology," said Dr. Esra Ogru, Phosphagenics' Chief Operating Officer. "Patch systems extend the duration of drug delivery, improve bioavailability, prevent environmental contamination, increase patient compliance and reduce the risk of potential abuse," she continued.

Phosphagenics has successfully developed both reservoir and matrix patches that contain TPM and oxycodone and produce sustained delivery. A reservoir patch is characterized by incorporating gels within the membrane, whereas matrix patches contain drugs in a solid form. The matrix patch is ideally suited for opioids such as oxycodone where abuse is an issue, as this makes it difficult to extract out of the matrix.

Oxycodone, a leading pain management drug, is currently administered either orally or intravenously. It is more potent than morphine with fewer side effects. Worldwide sales of oxycodone exceed $US1.5 billion. Phosphagenics aims to become the first company to provide chronic pain sufferers with a sustained-release transdermal system that delivers oxycodone into the bloodstream.

Previous preclinical and human clinical trials conducte
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SOURCE Phosphagenics Limited
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