Arena Pharmaceuticals, Inc. (Nasdaq: ARNA) announced the initiation of dosing in a Phase 1 clinical trial of APD811, a novel oral drug candidate discovered by Arena that targets the prostacyclin receptor for the treatment of pulmonary arterial hypertension, or PAH. "An orally bioavailable prostacyclin receptor agonist could improve the standard of care for patients with PAH, a life-threatening disorder," said William R. Shanahan, M.D., Arena's Senior Vice President and Chief Medical Officer...
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