Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
[62] RCT 3-armed trial	200 people	Proportion of people who had at least 1 general adverse effect during the treatment phase 25% with keratinocyte lysate plus usual care 25% with vehicle plus usual care 22% with usual care alone Absolute numbers not reported	Reported as not significant		Not significant
[62] RCT 3-armed trial	200 people	Proportion of people who had at least 1 general adverse effect during follow-up period 16% with keratinocyte lysate plus usual care 17% with vehicle plus usual care 12% with usual care alone Absolute numbers not reported	Reported as not significant		Not significant