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Updated: Jun 15, 2026
12:25
Isolation and Quantification of Botulinum Neurotoxin From Complex Matrices Using the BoTest Matrix Assays
Published on: March 3, 2014
[Treating writer's cramp: 14 years' experience with botulinum toxin].
H Somma-Mauvais1, S Soulayrol, A Duvocelle
1Pôle neurosciences cliniques, neurophysiologie clinique, hôpital Nord, chemin des Bourrelly, Marseille cedex 20, France. helene.somma@ap-hm.fr
Revue Neurologique
|March 2, 2010
Summary
Botulinum toxin injections effectively treat writer's cramp, a focal dystonia. Combining injections with physiotherapy enhances results for many patients, offering significant improvement in writing ability.
Area of Science:
- Neurology
- Movement Disorders
Context:
- Writer's cramp is a focal dystonia with historically disappointing treatment outcomes.
- A 14-year study evaluated 119 patients aged 18-85 with writer's cramp.
Purpose:
- To assess the long-term efficacy of botulinum toxin injections, with or without physiotherapy, for treating writer's cramp.
Summary:
- Botulinum toxin (Dysport) injections combined with physiotherapy improved writer's cramp in 61.6% of patients.
- Botulinum toxin injections alone improved symptoms in 37.9% of patients, with some achieving normal writing.
- Targeted injections of specific forearm muscles yielded good results, with manageable side effects like temporary muscle weakness.
Impact:
- Botulinum toxin injections are the primary treatment for writer's cramp.
- Physiotherapy can be a valuable adjunct when toxin injections alone are insufficient.
- Close collaboration among clinicians and patients is crucial for successful treatment outcomes.
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