RALEIGH, N.C., July 23, 2013 /PRNewswire/ -- BioDelivery Sciences International, Inc. (Nasdaq: BDSI ) announced that Adrian Hepner, M.D., Ph.D., has joined the company as Vice President of Clinical Research and Regulatory Affairs. Dr. Hepner joins BDSI with over twenty years of experience in U.S. and international clinical research and drug development, which includes development and implementation of the clinical and regulatory strategy for a number of products from early stage development through New Drug Application (NDA) and E.U. regulatory filings.