At a glance
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Efficacy and Safety of 10-Week or Shorter vs 12-Week or Longer Injection Intervals of Botulinum Toxin for the Treatment of Muscle Spasm Associated With Neurological Disorders
In Brief
An observational study for Cervical Dystonia and 5 related conditions. Completed, enrolled 105 participants across 1 site.
Detailed Summary
Our hypothesis is that botulinum toxin injections (with onabotulinum toxin, incobotulinum toxin, and abobotulinum toxin) given at 10-week or shorter intervals for the indication of treatment of muscle spasms associated with neurological disorders are associated with equal safety and effectiveness as those given at 12-week or longer intervals. We also hypothesize that for those patients who would prefer a shorter inter-injection interval, but for whom their insurance carrier has prevented this, have worse health-related quality of life compared to patients who receive injections at a 10-week or shorter interval. We aim to investigate this hypothesis by collecting demographic and injection data and patient survey responses.