Archives of Dermatological Research

, Volume 304, Issue 2, pp 155–161 | Cite as

Comparison of the spread of three botulinum toxin type A preparations

  • Martina Kerscher
  • Susanna Roll
  • Andreas Becker
  • Walter Wigger-Alberti
Original Paper


Botulinum toxins are frequently used in esthetics to improve the appearance of facial wrinkles. In this setting, precise localization of the neurotoxin is required to produce the desired clinical effects. Unwanted effects can occur if the neurotoxin diffuses into untargeted muscle. Therefore, a neurotoxin with low and predictable spread would be preferable for esthetic applications. The aim of this study was to investigate the spread of three approved botulinum toxin type A preparations, with and without complexing proteins, by measuring and comparing the size of the anhidrotic halos they produced following injection of equivalent doses in an identical volume into the forehead of patients. The results showed that incobotulinumtoxinA and onabotulinumtoxinA displayed comparable spread at 6 weeks (maximal area of anhidrosis within 6 weeks) and area under the effect curve (AUEC) over 6 months. However, abobotulinumtoxinA, when assuming a 1:2.5 injection volume ratio, produced a statistically significantly greater maximal area of anhidrosis within 6 weeks and AUEC over 6 months compared with incobotulinumtoxinA. All preparations were well tolerated. The results of this study demonstrate that incobotulinumtoxinA and onabotulinumtoxinA have comparable spread, while abobotulinumtoxinA has significantly greater spread than incobotulinumtoxinA.


Spread Botulinum IncobotulinumtoxinA NT 201 Botulinum toxin type A Anhidrosis Esthetic 



The authors wish to thank Ulrike Beimel and Luciano Zoppelli. The study was sponsored by Merz Pharmaceuticals GmbH. Editorial assistance was provided by Ogilvy 4D and funding was provided by Merz Pharmaceuticals GmbH.

Conflict of interest

University of Hamburg, Division of Cosmetic Sciences (Head: Professor Martina Kerscher) collaborates with Merz Pharmaceuticals GmbH, Q-Med AB, Laboratoires Pierre Fabre SA and Kythera on several clinical studies. Dr Walter Wigger-Alberti has no financial relationship with Merz Pharmaceuticals GmbH and declares that he has no conflict of interest. Drs S Roll and A Becker are employees of Merz Pharmaceuticals GmbH, Germany.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Martina Kerscher
    • 1
  • Susanna Roll
    • 2
  • Andreas Becker
    • 2
  • Walter Wigger-Alberti
    • 3
  1. 1.Division of Biochemistry and Molecular Biology, Cosmetic ScienceUniversity of HamburgHamburgGermany
  2. 2.Merz Pharmaceuticals GmbHFrankfurtGermany
  3. 3.Bioskin GmbHHamburgGermany

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