Betulin wound gel accelerated healing of superficial partial thickness burns: Results of a randomized, intra-individually controlled, phase III trial with 12-months follow-up.

•Randomized clinical trial.•Novel betulin wound gel accelerates healing of superficial partial thickness burns.•Betulin wound gel was safe and well tolerated.•Potential for improved long-term outcome.•Robust study design: intra-patient comparison and assessor-blinded evaluation of wound photos.