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  • Presentation

"Botoxins" Neuromodulation: Evolution of Anatomy, Strategies and the Future 2024

Description

In this presentation on neuromodulation and Botox, the speaker highlights the history and evolution of botulinum toxins, beginning with Alan Scott's groundbreaking work that turned a toxic molecule into a billion-dollar treatment. The discussion includes insights into the therapeutic applications for conditions like blepharospasm and facial aesthetics, while emphasizing the importance of proper dosing and treatment strategies. Topics covered include the anatomical considerations of facial muscles, the effects of neuromodulators on brow positioning, as well as results from clinical studies comparing different botulinum products, including Botox and Dysport. The findings indicate that higher doses can prolong treatment effects, supporting the mantra that brow position is more important than eliminating lines. Additionally, the emergence of new products like Daxify and Bonti is noted, offering insights into alternatives with varying efficacy and application timelines. Ultimately, there's a call for a new terminology to better reflect the therapeutic nature of these agents, rather than referring to them as 'toxins.' The speaker concludes with a strong endorsement for further research into dosing strategies and the future of neuromodulators in clinical practices.

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Conclusions

  • Optimal doses of botulinum toxin type A (BoNT-A) are much higher than what is currently used clinically.
  • Adverse events related to BoNT-A are rare when administered with proper anatomical understanding.
  • Current dosing regimens are likely inadequate for achieving desired effects in patients.
  • Based on research findings, the increased doses in the range of 50 to 100 units should become the new standard for glabellar line treatments.
  • Carruthers, J., Carruthers, A., Fagien, S., Matarasso, A., Maas, C. (2004). Consensus Recommendations on the Use of Botulinum Toxin Type A in Facial Aesthetics. Plastic and Reconstructive Surgery.
  • Ahn, M., Catten, M., Maas, C.S. (2000). Temporal browlift using Botulinum toxin. Plastic and Reconstructive Surgery, 105, 1129-35.
  • Ascher, B., Rzany, B.J., Grover, R. (2009). Efficacy and Safety of Botulinum Toxin Type A in the Treatment of Lateral Crow's Feet: Double-blind, Placebo-controlled, Dose-ranging study. Dermatologic Surgery, 35, 1478-1486.
  • Joseph, J.H., Maas, C., Palm, M.D., Lain, E., Glaser, D.A., Bruce, S. Satisfaction With OnabotulinumtoxinA for Moderate to Severe Dynamic Glabellar Rhytids. Aesthetic Surgery Journal, Volume 42, Issue 11, Oxford, November 2022, Pages 1318-1327.
  • Fabi, S.G., et al. Daxi Efficacy in Glabellar Lines. Aesthetic Surgery Journal.