ALISO VIEJO, Calif.--(BUSINESS WIRE)--AVANIR Pharmaceuticals (NASDAQ:AVNR) today announced Phase III data on the efficacy, safety and improvements in patient-centered outcomes in patients with diabetic peripheral neuropathic (DPN) pain treated with the investigational drug Zenvia™ (dextromethorphan / quinidine) will be presented in two scientific posters at the Second International Congress on Neuropathic Pain, being held in Berlin, Germany on June 7 to 10, 2007.