SAN DIEGO, Dec. 21, 2010 /PRNewswire/ -- Arena Pharmaceuticals, Inc. (Nasdaq: ARNA) announced today that Jack Lief, Arena's President and Chief Executive Officer, will host a conference call and webcast tomorrow, Wednesday, December 22, 2010, at 8:30 a.m. Eastern Time (5:30 a.m. Pacific Time) to provide an update following the completion of an end-of-review meeting with the US Food and Drug Administration (FDA) for the lorcaserin New Drug Application (NDA).

The conference call may be accessed by dialing 877.643.7155 for domestic callers and 914.495.8552 for international callers. Please specify to the operator that you would like to join the "Lorcaserin" conference call. The conference call will be webcast live under the investor relations section of Arena's website at www.arenapharm.com, and will be archived there for 30 days following the call. Please connect to Arena's website several minutes prior to the start of the broadcast to ensure adequate time for any software download that may be necessary.

About Arena PharmaceuticalsArena is a clinical-stage biopharmaceutical company focused on discovering, developing and commercializing oral drugs that target G protein-coupled receptors, an important class of validated drug targets, in four major therapeutic areas: cardiovascular, central nervous system, inflammatory and metabolic diseases. Arena's most advanced drug candidate, lorcaserin, is intended for weight management. Arena's wholly owned subsidiary, Arena Pharmaceuticals GmbH, has granted Eisai Inc. exclusive rights to market and distribute lorcaserin in the United States following FDA approval of the New Drug Application for lorcaserin.