Healthcare Industry News:  sumatriptan 

Biopharmaceuticals FDA

 News Release - January 15, 2008

POZEN Submits Human Lymphocyte Study for Treximet(TM) (Formerly Known as Trexima(TM))

FDA Tentatively Accepts Proposed New Trade Name

CHAPEL HILL, N.C.--(HSMN NewsFeed)--POZEN Inc. (NASDAQ: POZN ) announced today that it has submitted the findings from the short-term human volunteer study of the genotoxic potential of Treximet™ (formerly known as Trexima™) to the U.S. Food and Drug Administration (FDA). The results of this study, the design of which was agreed upon with the FDA prior to its conduct, indicate that no chromosomal aberrations were induced in peripheral blood lymphocytes when Treximet was administered to volunteers for seven days. The submission of this study report is in addition to the response made to the FDA in October 2007 which provided clarifying information on the Chinese Hamster Ovary (CHO) assay.

The company has received notification from the FDA that it has tentatively accepted the trade name Treximet (formerly known as Trexima), subject to final NDA Approval, for the proposed product candidate combining sumatriptan 85 mg, formulated with RT Technology™, and naproxen sodium 500 mg in a single tablet.

Treximet, which is currently under review by the FDA for the acute treatment of migraine, is being developed by POZEN under an alliance with GlaxoSmithKline.


POZEN is a pharmaceutical company committed to developing therapeutic advancements for diseases with unmet medical needs where it can improve efficacy, safety, and/or patient convenience. POZEN’s efforts are focused primarily on the development of pharmaceutical products for the treatment of acute and chronic pain and other pain-related conditions. POZEN has development and commercialization alliances with GlaxoSmithKline for the proposed product candidate Treximet™ which is currently under review by the United States Food and Drug Administration for the acute treatment of migraine, and with AstraZeneca for the proposed product candidate PN 400 for conditions such as osteoarthritis and rheumatoid arthritis in patients who are at risk for developing NSAID-associated gastric ulcers. The company’s common stock is traded on The Nasdaq Stock Market under the symbol “POZN”. For detailed company information, including copies of this and other press releases, see POZEN’s website:

Statements included in this press release that are not historical in nature are “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. You should be aware that our actual results could differ materially from those contained in the forward-looking statements, which are based on management’s current expectations and are subject to a number of risks and uncertainties, including, but not limited to, our failure to successfully commercialize our product candidates; costs and delays in the development and/or FDA approval of our product candidates, including as a result of the need to conduct additional studies, or the failure to obtain such approval of our product candidates, including as a result of changes in regulatory standards or the regulatory environment during the development period of any of our product candidates; our inability to know with certainty what standards the FDA will use to evaluate drug candidates and how that may change or evolve over time; uncertainties in clinical trial results or the timing of such trials, resulting in, among other things, an extension in the period over which we recognize deferred revenue or our failure to achieve milestones that would have provided us with revenue; the receipt of future development, regulatory or sales milestones and royalty payments from our collaboration partners; our inability to maintain or enter into, and the risks resulting from our dependence upon, collaboration or contractual arrangements necessary for the development, manufacture, commercialization, marketing, sales and distribution of any products; competitive factors; our inability to protect our patents or proprietary rights and obtain necessary rights to third party patents and intellectual property to operate our business; our inability to operate our business without infringing the patents and proprietary rights of others; general economic conditions; the failure of any products to gain market acceptance; our inability to obtain any additional required financing; technological changes; government regulation; changes in industry practice; and one-time events, including those discussed herein and in our Quarterly Report on Form 10-Q for the period ended September 30, 2007. We do not intend to update any of these factors or to publicly announce the results of any revisions to these forward-looking statements.

Source: POZEN

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