PRINCETON, N.J., April 13 /PRNewswire-FirstCall/ -- Medarex, Inc. announced today that its partner MedImmune, Inc. has begun dosing patients in a Phase I clinical trial of MEDI-545 for the potential treatment of systemic lupus erythematosus (SLE or lupus). MEDI-545 is a fully human antibody generated by Medarex's UltiMAb Human Antibody Development System(R).
The Phase I randomized, double-blind, placebo-controlled, dose-escalation study involves a single intravenous dose of the anti-interferon-alpha antibody in patients who have mild SLE with lupus rash or skin lesions. The trial is expected to enroll 45 patients at approximately 20 centers in North America and is designed to evaluate the safety and tolerability of MEDI-545.
"We are pleased that the development of this product candidate continues to advance toward potentially helping patients fight the effects of a serious condition," said Donald L. Drakeman, President and CEO of Medarex.
About MEDI-545
MEDI-545 (previously known as MDX-1103) is a fully human monoclonal antibody targeting interferon-alpha. Published data indicate that levels of interferon-alpha are elevated in many patients with active systemic lupus erythematosus (SLE or lupus) and other autoimmune disorders, and may be associated with disease activity. Preclinical data from animal models suggest that MEDI-545 may suppress the abnormal immune activity associated with lupus by binding to multiple interferon-alpha subtypes seen in the serum of lupus patients.
In November 2004, MedImmune entered into a collaboration with Medarex to focus on two specific antibodies, one of which was MDX-1103 (now known as MEDI-545). Under the terms of the agreement, MedImmune is responsible for all ongoing clinical development activities. Prior to the beginning of pivotal studies, Medarex may elect to co-develop the products in return for the opportunity to co-promote and to receive a share of the commercial profits in the United States. In all other cases, Medarex will be entitled to receive milestone payments and royalties.
About Lupus
Approximately 350,000 individuals in the United States are affected with SLE, a chronic inflammatory disease that causes the body to attack its own tissues and organs, including the skin, joints, blood and kidneys. Treatments for lupus include anti-inflammatory drugs, antimalarials, corticosteroids and drugs approved for other purposes, such as immunosuppressive agents given to cancer patients undergoing chemotherapy or medicines developed to treat arthritis patients. Lupus occurs about 10 times more frequently in adult females than adult males, and is two to three times more common among African Americans, Hispanics, Asians and Native Americans.
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. Thirty-one of these therapeutic product candidates derived from Medarex technology are in human clinical testing or have had INDs submitted for such trials, with four of the most advanced product candidates currently in Phase III clinical trials. 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 www.medarex.com.
Statement on Cautionary Factors
Except for the historical information presented herein, matters discussed herein 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 "potential"; "believe"; "anticipate"; "intend"; "plan"; "expect"; "estimate"; "could"; "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 discovery and development, uncertainties related to the outcome of clinical trials, slower than expected rates of patient recruitment, unforeseen safety issues resulting from the administration of antibody products in patients, uncertainties related to product manufacturing 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, 2005 and subsequent Quarterly Reports on Form 10-Q. There can be no assurance that such development efforts will succeed or that 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.
Medarex(R), the Medarex logo and UltiMAb(R) are registered trademarks of Medarex, Inc. All rights are reserved.
Medarex, Inc.CONTACT: Laura S. Choi, Investor Relations, +1-609-430-2880, x2216, orJean Mantuano, Corporate Communications (media), +1-609-430-2880, x2221,both of Medarex, Inc.
Web site: http://www.medarex.com//
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