Wound healing is impaired in diabetes mellitus, but the mechanisms involved are not well established. The purpose of this study was to investigate the effect of a topic insulin cream on wound healing in diabetic patients. age eligible for study:18 years old-older gender eligible for study:both accepts healthy volunteers:no have a proband with T1DM or T2DM. A proband is an individual with more than one year of diagnosis.
have proband with a wound that is difficult to be healed for at least three months.
patients with serum creatinine <1.5mg/dl Does not satisfy the above inclusion criteria infection diagnosed wound patients with cellulitis, venous stasis, inadequate perfusion, osteomyelitis and patient's inability to attend clinics for follow up