Starting width across fields: mean 485 µm, range 255 to 743; correlation of 24-h percent closure with starting width r = -0.82, with migration speed r = 0.03 Migration speed, wells as n (15 vs 15): drug / control 0.94, p = 0.067 Migration speed, experiments as n (5): drug / control 0.93 (95% CI 0.85 to 1.02), p = 0.11; control speed 6.5 µm/h per edge 24-h percent closure, experiments as n: drug - control -8.6 percentage points (95% CI -19.1 to 1.8), p = 0.084; control closure 68.6%