TORONTO, Aug. 18, 2011 (GLOBE NEWSWIRE) -- Intellipharmaceutics International Inc. (Nasdaq:IPCI) (TSX:I), a pharmaceutical company specializing in the research, development and manufacture of novel and generic controlled-release and targeted-release oral solid dosage drugs, today announced that the Company and Par Pharmaceutical, Inc. (NYSE:PRX) have added the development and commercialization of additional strengths of generic Focalin XR® (dexmethylphenidate hydrochloride) for the U.S. market to their existing agreement, which applied to the development and commercialization of the 5, 10, 15 and 20mg strengths of generic Focalin XR. Under the terms of the expanded agreement, Intellipharmaceutics will receive an immediate cash payment from Par and will continue to receive a share of profits from future sales. According to Wolters Kluwer Health, U.S. sales of Focalin XR, used in the treatment of Attention Deficit Hyperactivity Disorder, were approximately US$536 million for the 12 months ending June 2011.