WORCESTER, Mass., Oct. 29, 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, in light of general market conditions, Generex will not exercise its right to issue and sell shares of its common stock under the At Market Issuance Sales Agreement that it entered into with Wm Smith & Co. on October 14, 2009 until further notice.