WORCESTER, Mass., March 10, 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 positive results following the review of the Phase III data for the Company’s flagship product, Generex Oral-lyn, a proprietary oral insulin spray product designed to replace prandial injections of insulin.