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Access Pharmaceuticals Announces Initiation of Two New Cobalamin(TM) Oral Insulin Drug Delivery Collaborations
Date:6/17/2009

entific conference in mid-2008, Access has made substantial improvements to the formulation technology. A new Cobalamin-coated insulin-containing nanoparticle formulation delivered orally provided a pharmacological response (lowering of blood glucose levels in an animal model of diabetes) equivalent to 90% of that achieved by insulin delivered subcutaneously. This represents a substantial oral bioavailability, indicating that this formulation has potential for clinical development and ultimate commercialization. Adaptation of this technology has provided a Cobalamin human growth hormone formulation that has demonstrated good efficacy, represented by more than 25% improvement in weight gain, when given orally in an established animal model. Access continues to move both products towards clinical development, and plans to submit an additional patent application to protect the improvements to the technology

"While Access' focus has been on the oral delivery of peptides, the technology is sufficiently flexible to allow us to deliver a wide range of actives," commented David P. Nowotnik, Ph.D, Access' Senior Vice President of R&D. "In addition to peptide delivery, we have received inquiries recently about the potential of this technology to deliver actives ranging from small molecules to siRNA to monoclonal antibodies. As siRNA needs to be delivered intracellularly to be effective as a therapeutic, the Cobalamin technology may be particularly beneficial as an intracellular delivery technology, as the demand for vitamin B12 increases in many disease states."

The ability of the Cobalamin technology to increase the efficacy of a cytotoxic drug through enhanced delivery to tumor cells was demonstrated in a preclinical model. This work was presented by Access at a major s
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SOURCE Access Pharmaceuticals, Inc.
Copyright©2009 PR Newswire.
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