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Owing to its mitogenic and angiogenic characteristics, the use of basic fibroblast growth factor (bFGF) to promote wound healing has been investigated. However, its clinical efficacy has fallen short of expectations due to its instability. Heparin has been reported to stabilize bFGF. Therefore, we hypothesized that the combination of these agents would more effectively promote wound healing than bFGF alone; a single-center, two-arm parallel, single-blind, and a prospective randomized controlled pilot study was therefore performed involving 12 patients who underwent split-thickness skin graft harvesting. To ensure a feasible clinical treatment model, commercially available agents were used. The patients were randomly assigned to either the control group treated with bFGF (n = 6) or the intervention group treated with bFGF and heparin (n = 6) in a 1:1 ratio. The wound area and the wound area variation was assessed each week postoperatively, as was the number of days required for epithelialization. As a supplementary analysis, the least-squares means were calculated using a linear mixed-effects model. The results of this study indicate that the combination of bFGF and heparin may more effectively promote wound healing than bFGF alone, consistent with our hypothesis. A multicenter trial based on these data is ongoing.
Kohyama et al. (2024) studied this question.