Topical Administration of Pirfenidone Increases Healing of Chronic Diabetic Foot Ulcers: A Randomized Crossover Study

Figure 3

(a) Ulcer assigned to pirfenidone plus conventional treatment group during the first 8 weeks, that healed before crossover. (b) Ulcer assigned to conventional treatment only during the first 8 weeks, and crossover to pirfenidone plus conventional treatment.

(a)

(b)