11.   One of the challenges in treating diabetic foot ulcers is not only getting the wound to heal but preventing a new sore from developing.

12.   The drug is approved for the most common form of diabetic foot ulcer, caused by nerve damage.

13.   The market for burn treatment, though, is tiny compared to the market for an effective treatment of diabetic foot ulcers which currently cannot heal, analysts said.

14.   The U.S. Food and Drug Administration yesterday approved the first bioengineered treatment for healing diabetic foot ulcers.