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Neurol Res. 2009 Jun;31(5):463-6. doi: 10.1179/174313209X405137. Epub 2009 Mar 11.

A long-term follow-up of botulinum toxin A in cervical dystonia.

Author information

1
Department of Neurology and Clinical Neurophysiology, Hannover Medical School, Hannover, Germany. mohammadi.bahram@mh-hannover.de

Abstract

OBJECTIVE:

Cervical dystonia (CD) is the most common form of adult-onset focal dystonia, and botulinum toxin A (BoNT-A) has become the first-line treatment for this condition.

METHODS:

In this work, we present data of 207 CD patients treated with BoNT-A for 6.7 +/- 3.5 years. One hundred and sixty-three patients were treated with Dysport (mean dose, 389 +/- 144 U) and 44 with Botox (mean dose, 145 +/- 44 U).

RESULTS:

The mean clinical benefit, based on a 0-3 scale (0=no effect, 1=slight, 2=moderate and 3=marked improvement) was similar for Dysport (2.5 +/- 0.3) and Botox (2.2 +/- 0.4). Adverse events were mild and similar for both products. Fewer than 2% of the patients developed neutralizing antibodies.

DISCUSSION:

These data confirm the efficacy and safety of BoNT-A treatment in CD over an extended period of up to 14 years.

PMID:
19278576
DOI:
10.1179/174313209X405137
[Indexed for MEDLINE]
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