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Differential characteristics of incobotulinumtoxinA and its use in the management of glabellar frown lines

Authors Prager W, Peacock S

Received 1 September 2012

Accepted for publication 25 September 2012

Published 12 March 2013 Volume 2013:5(1) Pages 39—52


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

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Welf Prager

Dermatologikum Hamburg, Hamburg, Germany

Objectives: This review examines the pharmacologic and clinical characteristics of incobotulinumtoxinA (Xeomin®/Xeomeen®/Bocouture®/XEOMIN Cosmetic™; botulinum toxin type A [150 kDa]), which is free from complexing proteins, and discusses its efficacy and safety in the treatment of glabellar frown lines. Differences between incobotulinumtoxinA and other commercially available botulinum neurotoxin type A (BoNT/A) products that have been approved by the European Medicines Agency, US Food and Drug Administration, and other regulatory agencies for this indication are also discussed.
Findings: IncobotulinumtoxinA differs from other commercially available BoNT/A preparations, in that it is free from complexing proteins and contains only active neurotoxin, minimizing foreign protein load. IncobotulinumtoxinA is commonly used at a 1:1 dose ratio with onabotulinumtoxinA and displays comparable efficacy and safety; furthermore, it is associated with early onset and long duration of effect, and high levels of subject satisfaction. In terms of practical considerations, incobotulinumtoxinA does not require cold storage and demonstrates low spread, enabling precise treatment and good tolerability.
Conclusion: IncobotulinumtoxinA is an efficacious and well-tolerated treatment for glabellar frown lines. It differs from other BoNT/A preparations, in that it is free from complexing proteins and contains only active neurotoxin, which is relevant clinically, as this reduces the foreign protein load and minimizes the risk of neutralizing antibody production. In practical terms, incobotulinumtoxinA has a long shelf-life, remaining stable without the need for refrigeration, and due to its limited spread is a precise localized treatment.

Keywords: clinical use, glabellar frown lines, incobotulinumtoxinA, pharmacology, complexing proteins

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