WORCESTER, Mass., May 12, 2009 (GLOBE NEWSWIRE) -- Generex Biotechnology Corporation (Nasdaq:GNBT) (www.generex.com), the leader in drug delivery for metabolic diseases through the inner lining of the mouth, today announced that Professor Paolo Pozzilli, Head of the Department of Diabetes and Endocrinology at University Campus Bio-Medico, Rome, Italy and one of the Company's research clinicians, gave a lecture on the Company's proprietary oral insulin spray product Generex Oral-lyn(tm) at the Hamad General Hospital (www.hmc.org.qa) in the State of Qatar. Over 30 diabetologists, endocrinologists and hospital department heads attended the lecture entitled, "Buccal Spray Insulin for the Treatment of Diabetes and Impaired Glucose Tolerance."