Clinical Research Directory

Treatment of Lower Leg Anterolateral Chronic Exertional Compartment Syndrome With Intra-muscular Botulinum Injections.

Sponsor: University of Calgary

Summary

The goal of this pilot triple-blind randomized clinical trial is to determine the effectiveness of intra-muscular botulism injection for treatment of lower leg anterolateral chronic exertional compartment syndrome (CECS). Primary Research Question: What is the effectiveness of intra-muscular botulinum injection, compared to normal saline placebo, for reducing pain related to painful sport activity in patients with lower leg anterolateral chronic exertional compartment syndrome (CECS), over a 24-week period? Secondary outcomes will measure the time to initial onset and duration of pain during the painful sport activity, characterize the type of pain, foot paraesthesias, self-reported ankle instability, and ankle dorsiflexion and eversion muscle power. The Single Assessment Numeric Evaluation (SANE) score will provide a measure of overall leg function. Adult patients with a confirmed diagnosis of anterolateral CECS, as determined by post-exertional compartment pressure measurements, will be invited to participate in the study. Using concealed, consecutively-numbered randomization envelopes, participants will be randomly assigned to receive either the botulinum (treatment) or the normal saline (control) injection. Participants will answer a web-based outcome questionnaire at Baseline (prior to receiving the injection) and at 2, 4, 6, 8, 12, 16, 24-weeks follow-up. Participants will be asked to do their painful sport activity the day before completing the questionnaire. Ankle dorsiflexion and eversion muscle power will be manually measured by a physiatrist in clinic at 6, 16 and 24-week follow-up visits.

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