Genzyme Gene Therapy Fails To Help People with Leg Disease Walk Longer | Xconomy31 Mar
A failed gene therapy trial from Genzyme. Gene therepy got all the hype in the 90s, but since that time it has proven difficult to get therapeutic engineered viruses to the cells that need therapy without causing nasty reactive side effects.
http://www.xconomy.com/boston/2009/03/31/genzyme-gene-therapy-fails-to-help-people-with-leg-disease-walk-longer/