Journal
ADVANCES IN THERAPY
Volume 40, Issue 9, Pages 3986-4003Publisher
SPRINGER
DOI: 10.1007/s12325-023-02563-5
Keywords
Botulinum toxin A; Cervical dystonia; Healthcare resource utilization; Spasticity; Treatment patterns
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Spasticity and cervical dystonia have a significant impact on quality of life and economic burden. This study analyzed healthcare claims to understand the treatment patterns, healthcare resource utilization, and costs among patients with these conditions. The results showed that botulinum toxin type A injections were effective in reducing muscle tightness and improving range of motion.
Plain Language SummarySpasticity is an abnormal, involuntary muscle tightness due to extended muscle contraction. This resistance in movement can be caused by stroke, multiple sclerosis, or traumatic injuries to the brain or spinal cord. Cervical dystonia is a form of sustained involuntary muscle contractions that result in abnormal or repetitive muscle movements in the neck and upper shoulders. Spasticity and cervical dystonia are both associated with significant decrease in quality of life and work productivity as well as significant economic burden. It is therefore important to understand how disease management impacts these patients. Many studies have shown that botulinum toxins type A (BoNT-As) are safe and effective in reducing muscle tightness and improving normal range of motion. This study was conducted to better understand BoNT-A injection patterns, use of healthcare services, and the resulting costs in patients with spasticity or cervical dystonia. IntroductionSpasticity and cervical dystonia (CD) are movement disorders with considerable direct and indirect healthcare cost implications. Although several studies have discussed their clinical impact, few have calculated the economic burden of these disorders. This study aimed to understand treatment/injection patterns of botulinum toxins type A (BoNT-As) and the characteristics, healthcare resource utilization (HCRU), and costs among patients with spasticity or CD.MethodsRetrospective analyses were conducted using administrative healthcare claims from the IQVIA PharMetrics(& REG;) Plus database, from October 1, 2015 to December 31, 2019. Eligible patients were selected based on Healthcare Common Procedure Coding System codes for BoNT-A (index date) and ICD-10 diagnosis codes for spasticity or CD with 6 months of continuous enrollment pre-index and 12 months post-index. Patients were stratified into adult spasticity, pediatric spasticity, and CD cohorts, and were evaluated for injection patterns, HCRU, and costs in the post-index period.ResultsOverall, 2452 adults with spasticity, 1364 pediatric patients with spasticity, and 1529 adults with CD were included. Total mean all-cause healthcare costs were US$42,562 (adult spasticity), $54,167 (pediatric spasticity), and $25,318 (CD). Differences were observed in the cost of BoNT-A injection visits between toxins, with abobotulinumtoxinA (aboBoNT-A) having the lowest injection cost across all indications.ConclusionsAboBoNT-A had the lowest injection visit costs across indications. These results are suggestive of real-world resource utilization patterns and costs, and, while helpful in informing insurers' BoNT-A management strategies, further research into cost differences is warranted.
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