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QRxPharma Granted US Patent On Hybrid Opioids
Date:6/12/2013

SYDNEY and BEDMINSTER, N.J., June 12, 2013 /PRNewswire/ -- QRxPharma Limited (ASX: QRX and OTCQX: QRXPY) announced today that the United States Patent and Trademark Office (USPTO) issued the Company U.S. Patent #8,461,171 ("'171 patent") titled "Hybrid Opioid Compounds and Compositions," which expires in 2031.  This patent covers a hybrid morphine-oxycodone molecule where these two different opioids are chemically linked. The '171 patent covers the development of new chemical entities that have the potential to provide better pain relief and fewer side effects than their individual components.  The Company has related patents pending both internationally and in the United States.

"This patent expands our intellectual property (IP) position and protects next generation Dual-Opioid® combination products that are chemically unique," said Dr. John Holaday, Managing Director and Chief Executive Officer.  "Further, issuance of this patent enhances our long-term market exclusivity for QRxPharma's Dual-Opioid® products for the treatment of acute and chronic pain."

Immediate release MOXDUO® is a combination of two separate opioid salts in the same capsule, and is presently under review at the US Food and Drug Administration for the treatment of moderate to severe acute pain.  By contrast, this newly issued patent covers different opioid combinations that when linked together offer a new composition of matter having activity that is greater than equimolar amounts of the molecules administered separately. 

About QRxPharma
QRxPharma Limited is an Australian based, commercial-stage specialty pharmaceutical company focused on the development and commercialisation of new treatments for pain management. The Company's
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SOURCE QRxPharma Limited
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