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Company Profile

Arena is a biopharmaceutical company focused on discovering and developing novel, small molecule drugs. We are currently directing our activities and resources primarily on:

Stock Quote

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Events & Presentations
Annual Report and Proxy Statement
Date Title and Summary
Toggle Summary Arena Pharmaceuticals Presented Phase 2 Clinical Data for Etrasimod in Ulcerative Colitis at the American College of Gastroenterology Annual Meeting
SAN DIEGO , Oct. 8, 2018 /PRNewswire/ --  Arena Pharmaceuticals, Inc. (Nasdaq: ARNA) today announced that data from its OASIS Phase 2 clinical study for its investigational drug candidate etrasimod, a next-generation, oral, S1P receptor modulator with optimized activity being evaluated in
Toggle Summary Arena Pharmaceuticals Reports Positive Long-Term Data from the Ongoing Open-Label Extension of the Phase 2 Trial Evaluating Ralinepag for Treatment of Pulmonary Arterial Hypertension
- Ralinepag demonstrated durable, long-term improvements in both PVR and 6MWD - Favorable long-term tolerability profile demonstrated SAN DIEGO , Oct. 2, 2018 /PRNewswire/ -- Arena Pharmaceuticals, Inc. (Nasdaq: ARNA) today announced positive data from a planned interim analysis of the ongoing