Abstract

AimVenous leg ulcers are lower limb skin ulcers characterised by a cycle of healing and recurrence due to underlying chronic venous insufficiency. While compression improves healing outcomes, many ulcers do not heal. As a daily 300 mg oral dose of aspirin in conjunction with compression may improve healing outcomes, we investigated the effect of adjuvant aspirin on venous leg ulcer healing in participants already receiving compression. Materials and methodsWe conducted a prospective, randomised, double-blinded, placebo-controlled, clinical trial (known as ASPiVLU). Participants were recruited from six wound clinics in Australia. We screened 844 participants. Community-dwelling adult participants identified at six hospital outpatient clinics and clinically diagnosed with a venous leg ulcer present for 6+ weeks were eligible between April 13, 2015 to June 30, 2018. We randomised 40 participants (n = 19 aspirin, n = 21 placebo) and evaluated against the primary outcome. There were no dropouts. Ten serious adverse events in six participants were recorded. None were study related. The primary outcome measure was healing at 12 weeks based on blinded assessment. ResultsWe found no difference in the number of ulcers healed at 12 weeks between the intervention and control groups. ConclusionThis study could not detect whether or not aspirin affected VLU healing speed. This is likely because we recruited fewer participants than expected due to the high number of people with venous leg ulcers in Australia who were already taking Aspirin; future research should investigate other adjuvant therapies or different study designs.

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