Ulcer, Leg Clinical Trial
Official title:
Painless Sharp Wound Debridement With Lidocaine-23%-Tetra-caine-7% Gel Versus EMLA 5% Cream: a Single-blind, Crossover, Randomised, Controlled Trial
In a single-blind, crossover, randomized, controlled trial with 40 participants we aim to demonstrate superior anaesthetic efficacy of lidocaine-23%-tetracaine-7% (IMP2) gel over EMLA 5% cream (IMP1) at comparable safety in sharp wound debridement of chronic leg ulcers. This is a monocentric investigator initiated trial conducted in the University Hospital Zurich. In this longitudinal trial, participants receive a sequence of different treatments (treatments on different days) and therefore are randomly assigned to one of two treatment sequences. One-half of participants will first receive IMP1 (first treatment visit, randomized) and then IMP2 (second treatment visit, crossover); the other half of participants the reverse sequence (first treatment visit: IMP2, second treatment visit: IMP1). Primary Objective: We want to show that IMP 2 (lidocaine-23%-tetracaine-7% gel) is more effective in pain reduction than IMP 1 (EMLA® 5% cream) in sharp wound debridement.
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