Arena Pharmaceuticals

Arena Pharmaceuticals is a biopharmaceutical company focused on discovering, developing, and commercializing drugs that target G protein-coupled receptors (GPCRs). Its investigational clinical programs are ralinepag (formerly APD811) in testing for pulmonary arterial hypertension (PAH), etrasimod (formerly APD334) in evaluation for inflammatory indications, and APD371 for the treatment of pain associated with Crohn’s disease.