PRINCETON, N.J., April 15 /PRNewswire-FirstCall/ -- Medarex, Inc. announced today interim results from two ongoing Phase 1 trials in hormone refractory prostate cancer (HRPC) demonstrating dose-dependent T-cell activation and clinical activity of ipilimumab, an investigational anti-CTLA-4 antibody. These studies were done in combination with antigen-releasing immunotherapies based on GM-CSF, a cytokine that stimulates the proliferation of white blood cells and augments immune responses, and results were presented in two separate oral presentations by investigators at the Annual Meeting of the American Association for Cancer Research (AACR), being held April 12-16, 2008 in San Diego.
"The interim results demonstrating clinical activity in these ongoing trials lend additional support to the concept of ipilimumab as part of a therapeutic regimen in treating prostate cancer," said Geoffrey M. Nichol, M.B.Ch.B., Senior Vice President of Product Development at Medarex. "We will continue to explore the prospects of ipilimumab in HRPC, and we expect further data in prostate cancer for ipilimumab monotherapy and in combination with other antigen-releasing agents at this year's ASCO conference in June."
About Medarex
Medarex is a biopharmaceutical company focused on the discovery, development and potential commercialization of fully human antibody-based therapeutics to treat life-threatening and debilitating diseases, including cancer, inflammation, autoimmune disorders and infectious diseases. Medarex applies its UltiMAb(R) technology and product development and clinical manufacturing experience to generate, support and potentially commercialize a broad range of fully human antibody product candidates for itself and its partners. More than 40 of these therapeutic product candidates derived from Medarex technology are in human clinical testing or have had INDs submitted for such trials, with seven of the most advanced product candidates currently in Phase 3 clinical trials or the subject of regulatory applications for marketing authorization. Medarex is committed to building value by developing a diverse pipeline of antibody products to address the world's unmet healthcare needs. For more information about Medarex, visit its website at http://www.medarex.com.
Medarex Statement on Cautionary Factors
Except for the historical information presented herein, matters discussed herein relating to the interim data from ongoing ipilimumab combination Phase 1 studies may constitute forward-looking statements that are subject to certain risks and uncertainties that could cause actual results to differ materially from any future results, performance or achievements expressed or implied by such statements. Statements that are not historical facts, including statements preceded by, followed by, or that include the words "preliminary"; "interim"; "potential"; "may"; or similar statements are forward-looking statements. Medarex disclaims, however, any intent or obligation to update these forward-looking statements. Risks and uncertainties include risks associated with product development, unforeseen safety issues resulting from the administration of antibody products in humans, as well as risks detailed from time to time in Medarex's public disclosure filings with the U.S. Securities and Exchange Commission (SEC), including its Annual Report on Form 10-K for the fiscal year ended December 31, 2007 and its quarterly reports on Form 10-Q. There can be no assurance that future milestone payments will be paid, whether the product development efforts will succeed, or whether other developed products will receive required regulatory clearance or that, even if such regulatory clearance were received, such products would ultimately achieve commercial success. Copies of Medarex's public disclosure filings are available from its investor relations department.
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CONTACT: Laura S. Choi, Investor Relations, +1-609-430-2880, ext. 2216, or
Nichol Harber, Corporate Communications (media), +1-609-430-2880, ext.
2214, or Jean Mantuano, Corporate Communications (media), +1-609-430-2880,
ext. 2221, all of Medarex, Inc.
Web site: http://www.medarex.com/
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