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OnabotulinumtoxinA in Migraine and Other Headaches: Review and Update
Marc E Lenaerts1, Tiffany H Green2
1Department of Neurology, University of California, Davis, 4160, Y St., No. 3700, Sacramento, CA, 95817, USA. mlenaerts@ucdavis.edu.
Purpose Of The Review:
The role of onabotulinumtoxinA in headache management was serendipitously found over a decade ago and approved for chronic migraine in 2010 based on pivotal studies. The purpose of this review is to highlight the impact on headache and other health parameters which is critically reviewed, as well as the putative mechanisms of action.
Recent Findings:
OnabotulinumtoxinA is effective in migraine, not only headache frequency and pain intensity but also other health parameters including quality of life. Tolerability is high and benefit/cost analysis is favorable. It should be considered off-label in refractory trigeminal neuralgia and post-herpetic neuralgia but further research in these areas. Ongoing investigation of onabotulinumtoxinA in cluster headache is too preliminary for recommendation of use but promising. Recent and future developments in other headache disorders are discussed. OnabotulinumtoxinA has been approved for migraine almost a decade ago and been proven beneficial not only on headache parameters but other health outcomes. Its role as adjuvant is being studied and emerging in other headache syndromes.
Insights
OnabotulinumtoxinA effectively treats chronic migraine, improving headache frequency, pain, and quality of life. Its favorable benefit/cost analysis supports its use, with ongoing research for other headache disorders.
Area of Science:
- Neurology
- Pharmacology
Background:
- OnabotulinumtoxinA's role in headache management was discovered over a decade ago.
- Approved for chronic migraine in 2010, its efficacy is supported by pivotal studies.
Purpose of the Study:
- To review the impact of onabotulinumtoxinA on headache and other health parameters.
- To critically examine the putative mechanisms of action for onabotulinumtoxinA in headache management.
Main Methods:
- Literature review of studies on onabotulinumtoxinA for headache disorders.
- Critical analysis of clinical trial data and observational studies.
Main Results:
- OnabotulinumtoxinA is effective for migraine, reducing headache frequency and pain intensity.
- Significant improvements observed in quality of life and other health parameters.
- High tolerability and favorable benefit/cost analysis.
Conclusions:
- OnabotulinumtoxinA is a valuable treatment for chronic migraine with broad health benefits.
- Consideration for off-label use in refractory trigeminal and post-herpetic neuralgia warrants further research.
- Emerging evidence suggests potential in other headache syndromes, with ongoing investigations.
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