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Arena Pharmaceuticals, Inc. (ARNA) Initiates Phase 1b Clinical Trial Of APD334 For Autoimmune Diseases


6/3/2014 9:28:57 AM

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SAN DIEGO
, June 3, 2014 /PRNewswire/ -- Arena Pharmaceuticals, Inc. (NASDAQ: ARNA) announced today the initiation of dosing in an investigational Phase 1b clinical trial of APD334, a novel, oral drug candidate that targets the sphingosine 1-phosphate subtype 1 (S1P1) receptor, to evaluate the compound for the treatment of a number of autoimmune diseases.

This randomized, double-blind and placebo-controlled Phase 1b trial will evaluate the safety, tolerability and pharmacokinetics of multiple-ascending doses of APD334 in up to 96 healthy adult volunteers.

"We continue to make progress in advancing our novel pipeline of internally discovered drug candidates, and remain committed to our vision of leading the industry in the discovery, development and commercialization of GPCR-directed medicines," said William R. Shanahan, M.D., Arena's Senior Vice President and Chief Medical Officer.

About Autoimmune Diseases

Autoimmune diseases are characterized by an inappropriate immune response against substances and tissues that are normally present in the body. In an autoimmune reaction, a person's antibodies and immune cells target healthy tissues, triggering an inflammatory response. Reducing the immune and/or inflammatory response is an important goal in the treatment of autoimmune diseases.

About APD334

APD334 is an orally available investigational drug candidate discovered by Arena that targets the S1P1 receptor, with therapeutic potential in a spectrum of autoimmune diseases, such as multiple sclerosis, psoriasis and rheumatoid arthritis. S1P1 receptors have been demonstrated to be involved in the modulation of several biological responses, including lymphocyte trafficking from lymph nodes to the peripheral blood. By isolating lymphocytes in lymph nodes, fewer immune cells are available in the circulating blood to effect tissue damage. Arena has optimized APD334 as a potent and selective small molecule S1P1 receptor agonist that reduces the severity of disease in preclinical autoimmune disease models.

About Arena Pharmaceuticals

Arena is embracing the challenge of improving health by seeking to bring innovative medicines targeting G protein-coupled receptors to patients. Arena's internally discovered drug, BELVIQ® (lorcaserin HCl), is approved in the United States, and Arena is focused on discovering, developing and commercializing additional drugs to address unmet medical needs.Arena's US operations are located in San Diego, California, and its operations outside of the United States, including its commercial manufacturing facility, are located in Zofingen, Switzerland. For more information, visit Arena's website at www.arenapharm.com.

Arena Pharmaceuticals® and Arena® are registered service marks of Arena Pharmaceuticals, Inc. BELVIQ® is a registered trademark of Arena Pharmaceuticals GmbH.

Forward-Looking Statements

Certain statements in this press release are forward-looking statements that involve a number of risks and uncertainties. Such forward-looking statements include statements about the advancement, therapeutic indication, use, safety, efficacy, mechanism of action and potential of APD334; the protocol, design, scope, enrollment, expectations and other aspects of the Phase 1b trial of APD334; progress in advancing Arena's pipeline; embracing the challenge of improving health; seeking to bring innovative medicines to patients; and Arena's commitment, vision, focus, plans, goals, strategy, expectations, research and development programs, and ability to discover and develop compounds and commercialize drugs. For such statements, Arena claims the protection of the Private Securities Litigation Reform Act of 1995. Actual events or results may differ materially from Arena's expectations. Factors that could cause actual results to differ materially from the forward-looking statements include, but are not limited to, the following: risks related to commercializing drugs, including regulatory, manufacturing, supply and marketing issues and the availability and use of BELVIQ; cash and revenues generated from BELVIQ, including the impact of competition; Arena's revenues will be based in part on estimates, judgment and accounting policies, and incorrect estimates or disagreement regarding estimates or accounting policies may result in changes to Arena's guidance or previously reported results; the timing and outcome of regulatory review is uncertain, and BELVIQ may not be approved for marketing when expected or ever in combination with another drug, for another indication or using a different formulation or in any other territory for any indication; regulatory decisions in one territory may impact other regulatory decisions and Arena's business prospects; government and commercial reimbursement and pricing decisions; risks related to relying on collaborative arrangements; the timing and receipt of payments and fees, if any, from collaborators; the entry into or modification or termination of collaborative arrangements; unexpected or unfavorable new data; nonclinical and clinical data is voluminous and detailed, and regulatory agencies may interpret or weigh the importance of data differently and reach different conclusions than Arena or others, request additional information, have additional recommendations or change their guidance or requirements before or after approval; data and other information related to any of Arena's research and development may not meet regulatory requirements or otherwise be sufficient for (or Arena or a collaborator may not pursue) further research and development, regulatory review or approval or continued marketing; Arena's ability to obtain and defend patents; the timing, success and cost of Arena's research and development; results of clinical trials and other studies are subject to different interpretations and may not be predictive of future results; clinical trials and other studies may not proceed at the time or in the manner expected or at all; having adequate funds; and satisfactory resolution of litigation or other disagreements with others. Additional factors that could cause actual results to differ materially from those stated or implied by Arena's forward-looking statements are disclosed in Arena's filings with the Securities and Exchange Commission. These forward-looking statements represent Arena's judgment as of the time of this release. Arena disclaims any intent or obligation to update these forward-looking statements, other than as may be required under applicable law.

Contact: Arena Pharmaceuticals, Inc.



Media Contact: Russo Partners





Craig Audet, Senior Vice President,



David Schull, President

Operations and Head of Global Regulatory Affairs



david.schull@russopartnersllc.com

caudet@arenapharm.com



858.717.2310

858.453.7200, ext. 1612








www.arenapharm.com




SOURCE Arena Pharmaceuticals, Inc.



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