Hashmi, F, Nester, CJ, Wright, CRF and Lam, S 2016, 'The evaluation of three treatments for plantar callus : a three armed randomised, comparative trial using biophysical outcome measures' , Trials, 17 (251) .
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Callus is one of the most common foot skin complaints experienced by people of all ages. These painful and unsightly lesions often result in disability. The gold standard of treatment is scalpel debridement by a trained specialist; however people also seek over the counter remedies. There is a lack of clinical evidence for the efficacy of such products, which makes the selection by patients and practitioners difficult. Method: This randomised, three armed, parallel, comparative trial aimed to test the efficacy of two home treatments for plantar callus using novel, objective outcome measures (skin hydration using the capacitance method; elasticity using the negative pressure application and surface texture using imaging). Additional outcome measures were: size of callus, quality of life (Foot Health Status Questionnaire) and self-reported participant satisfaction and compliance. The results were compared to a podiatry treatment. Participants were randomly allocated to one of three groups: potassium hydroxide (KOH, 40%); trichloroacetic acid (TCA) and podiatry treatment. Participants were followed for three weeks after their initial intervention appointment (day 7, 14 and 21). The primary outcomes were the change from baseline in callus hydration, elasticity, texture and size at each of the three time points. The secondary outcomes where: change in quality of life 21 days after treatment; resolution of calluses via visual inspection and participant compliance and perception. Results: Forty six participants (61 feet) with plantar calluses were recruited. The podiatry treatment showed immediate and significant changes in all objective outcomes; associated foot pain and function (p < 0.01). Lesser changes in skin quality and perceived pain and function benefits occurred with TCA and KOH over 21 days. Conclusions: This is the first study where objective outcome measures have been used to measure changes in the nature of skin in response to callus treatments. We found significant differences in plantar callus in response to podiatry and two home treatments. The podiatry treatment showed immediate and significant changes in skin and associated foot pain and function. Lesser, but sometimes comparable, changes in skin and perceived pain and function benefits occurred with TCA and KOH over 21 days. Trial registration: ISRCTN 14751843
|Schools:||Schools > School of Health Sciences > Centre for Health Sciences Research|
|Journal or Publication Title:||Trials|
|Depositing User:||F Hashmi|
|Date Deposited:||06 May 2016 09:15|
|Last Modified:||22 Jul 2016 10:25|
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