Sangamo BioSciences Announces Completion of Enrollment of Phase 2 Clinical Trial of ZFP Therapeutic for Diabetic ...(ors will usequantitative sensory testing...),Health

Date:12/4/2007

ors will use quantitative sensory testing (QST) with the Vibratron II instrument to assess the threshold of detection of vibration, electrophysiological testing using nerve conduction velocity (NCV) to assess the rate at which a nerve can conduct an electrical signal, and a composite scoring system, the total neuropathy score (TNS) to assess signs and symptoms of the condition. In addition, skin biopsies will be taken to evaluate the direct therapeutic effect of SB-509 on nerve regrowth. This test may provide an important mechanistic marker for efficacy. Subjects will be assessed for seven months following the last dosing.

About Diabetic Neuropathy

Diabetic peripheral neuropathy is one of the most frequent complications of diabetes. Symptoms include numbness, tingling sensations and pain particularly in the toes or feet. This gradually evolves to loss of sensation and motor function as nerve damage progresses. Ulcers and sores may appear on numb areas of the foot because pressure or injury goes unnoticed. Despite adequate treatment, these areas of trauma frequently become infected and this infection may spread to the bone, necessitating amputation of the leg or foot. More than 60 percent of non-traumatic lower-limb amputations in the United States occur among people with diabetes. In the period from 2000 to 2001, this translated to approximately 82,000 amputations. The American Diabetes Association estimates that there are approximately 20.8 million people with diabetes in the United States and that of those about 60 percent to 70 percent have mild to severe forms of neuropathy. According to the Centers for Disease Control, diabetes is becoming more common in the United States. From 1980 through 2002, the number of Americans with diabetes more than doubled.

About Sangamo

Sangamo BioSciences, Inc. is focused on the research and development of novel DNA-binding proteins for therapeutic gene regulation and modification. The most advanced ZFP
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SOURCE Sangamo BioSciences, Inc. Copyright©2007 PR Newswire. All rights reserved

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