WORCESTER, Mass., Oct. 14, 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 the U.S. Food and Drug Administration (FDA) has granted price approval in respect of the use of Generex Oral-lyn(TM) under the FDA's Treatment Investigational New Drug (IND) program.