“…17,18,22,23,36,37 Of these, recombinant human PDGF and GCSF (granulocyte colony stimulating factor) are the most widely studied. 17,18,22,23,36,37,42,43 The former is locally applied for the treatment of uninfected neuropathic ulcers in patients without compromised circulation, whereas the latter is administered subcutaneously for the treatment of infected ulcers. 17,18,42 At present, only topical application of recombinant human PDGF has been approved by U.S. Food and Drug Administration and European authorities for the treatment of diabetic neuropathic ulcers.…”