Fig. 1From: Systemic therapy for vulval Erosive Lichen Planus (the ‘hELP’ trial): study protocol for a randomised controlled trialSystemic therapy for vulval Erosive Lichen Planus (‘hELP’) study flow diagram. Internal pilot phase to run for 12 months, after which recruitment rates will be assessed and a decision made whether or not to continue onto a definitive trialBack to article page