Impax Pharmaceuticals Submits New Drug Application for IPX066 in Parkinson's Disease

Impax Pharmaceuticals Submits New Drug Application for IPX066 in Parkinson's Disease

HAYWARD, Calif.--(BUSINESS WIRE)--Impax Pharmaceuticals, the branded products division of Impax Laboratories, Inc. (NASDAQ: IPXL) today announced the submission of Impax's New Drug Application (NDA) for IPX066 to the U.S. Food and Drug Administration (FDA) for the treatment of idiopathic Parkinson's disease (PD). IPX066 is a patented extended release capsule formulation of carbidopa-levodopa (CD-LD). IPX066 is being developed in collaboration with GlaxoSmithKline (GSK) for territories outside the U.S. and Taiwan.

"This represents an important part of our strategy to diversify our business model to branded products, with the objective of improving long-term shareholder value."

"In just three and a half years, Impax's brand research and development team has successfully advanced IPX066 from an Investigational New Drug (IND) through multiple clinical studies of efficacy and safety, culminating in our NDA submission," said Michael Nestor, president of Impax Pharmaceuticals. "This event demonstrates our strong internal capability to develop neurology products to fulfill unmet clinical needs of the PD community. IPX066 represents a significant commercial opportunity for Impax in the U.S., which if approved we plan to commercialize with our specialty neurology sales team."

IPX066 has undergone extensive clinical development, including multiple studies in early and advanced PD in the U.S. and in Europe. As agreed with the FDA, the NDA is being submitted as a 505(b)(2) application and includes data from three controlled Phase III studies and two open label extensions of IPX066 in early and advanced PD. In these studies, IPX066 has been studied in about 900 PD subjects. Impax held an end of Phase III meeting with the U.S. FDA in the third quarter of 2011 and is submitting its NDA consistent with the guidance it received.

"We are proud to achieve this important milestone in our development of the brand pharmaceutical business," said Larry Hsu, Ph.D., president and CEO of Impax Laboratories, Inc. "This represents an important part of our strategy to diversify our business model to branded products, with the objective of improving long-term shareholder value."

About IPX066

IPX066 is an investigational extended release capsule formulation of CD-LD which is intended to maintain consistent plasma concentration of levodopa for a longer duration versus immediate release levodopa, which may have an impact on fluctuations in clinical response. It is not approved or licensed anywhere in the world.

Results from the pivotal phase III studies of IPX066, APEX-PD (early PD), ADVANCE-PD (advanced PD) and ASCEND-PD (advanced PD) have previously been announced. Results of the ASCEND-PD study and other IPX066 data are planned for submission to the American Academy of Neurology and International Congress of Parkinson's Disease and Movement Disorders Conference in April and June 2012, respectively.

About the Impax GSK collaboration

Impax Pharmaceuticals and GSK announced an agreement for the development and commercialization of IPX066 in December 2010. Under the terms of the agreement, GSK received an exclusive license to register and commercialize IPX066 throughout the world except in the U.S. and Taiwan.

About Parkinson's Disease

Parkinson's disease is a chronic neurodegenerative movement disorder affecting over three million people in the US, Europe, and Japan.

About Impax Laboratories, Inc.

Impax Laboratories, Inc. is a technology-based specialty pharmaceutical company applying its formulation expertise and drug delivery technology to the development of controlled-release and specialty generics in addition to the development of branded products. Impax markets its generic products through its Global Pharmaceuticals division and markets its branded products through the Impax Pharmaceuticals division. Additionally, where strategically appropriate, Impax has developed marketing partnerships to fully leverage its technology platform. Impax is headquartered in Hayward, California, with a full range of capabilities located in its Hayward, Philadelphia and Taiwan facilities. For more information, please visit the Company's Web site at: www.impaxlabs.com.

 

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