Abstract | BACKGROUND AND PURPOSE:
Botulinum toxin type A ( BoNT/A) is a highly effective and well-tolerated treatment for focal dystonias. The BoNT/A in Botox and Dysport is part of a high-molecular-weight complex that contains hemagglutinins and other non-toxic proteins, whilst Xeomin is a highly purified BoNT/A free of such complexing proteins. In the largest controlled study of BoNT/A published to date (Neurology 2005; 64: 1949), it was demonstrated that Xeomin is non-inferior to Botox and has 1:1 efficacy in the treatment of cervical dystonia. A possible limitation of continued BoNT/A treatment is antibody development. Based on its physiochemical properties and toxicological evidence, Xeomin is expected to have a reduced incidence of non-responders after long-term treatment compared with other marketed BoNT/A products. METHODS AND RESULTS: In our ongoing open-label study, 100 patients suffering from cervical dystonia are continuously treated with Xeomin; 50 patients were treated de novo, the remaining patients had been previously treated with Botox, Dysport or NeuroBloc/ Myobloc. All patients showed negative results in antibody testing at the beginning of Xeomin treatment. During continuous treatment with Xeomin up to 2 years, patients continued to respond well to Xeomin treatment. CONCLUSION: The treatment was well tolerated and no patient has developed neutralizing antibodies as measured using the sensitive mouse hemidiaphragma assay within these first 2 years.
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Authors | R Benecke |
Journal | European journal of neurology
(Eur J Neurol)
Vol. 16 Suppl 2
Pg. 6-10
(Dec 2009)
ISSN: 1468-1331 [Electronic] England |
PMID | 20002740
(Publication Type: Clinical Trial, Journal Article)
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Chemical References |
- Anti-Dyskinesia Agents
- Antibodies, Neutralizing
- Botulinum Toxins
- Botulinum Toxins, Type A
- incobotulinumtoxinA
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Topics |
- Analysis of Variance
- Anti-Dyskinesia Agents
(adverse effects, therapeutic use)
- Antibodies, Neutralizing
(metabolism)
- Botulinum Toxins
(adverse effects, therapeutic use)
- Botulinum Toxins, Type A
(adverse effects, therapeutic use)
- Humans
- Patient Satisfaction
- Randomized Controlled Trials as Topic
- Severity of Illness Index
- Time Factors
- Torticollis
(drug therapy, metabolism)
- Treatment Outcome
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