“…A variety of treatment regimens have been used in keloids and hypertrophic scars with uncertain results achieved. 2,[10][11][12][13][14][15][16][17][18][19] In the early 1980s, 5-fluorouracil (5-FU), a pyrimidine analog with antimetabolite activity, was investigated as an adjunct to glaucoma filtering surgery, a procedure in which inhibition of wound healing is desirable to achieve surgical success. [20][21][22][23] This drug has been shown to inhibit fibroblast proliferation in tissue culture 24 and is believed to reduce postoperative scarring by decreasing fibroblast proliferation.…”