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The effectiveness of using a centrally acting muscle relaxant in combination with botulinum toxin injections in patients with spasmodic torticollis

Zh Nevrol Psikhiatr Im S S Korsakova. 2025;125(9):99-102. doi: 10.17116/jnevro202512509199.

ABSTRACT

OBJECTIVE: To analyze the efficacy of eperison in combination with botulinum toxin injections for the treatment of pain syndrome in patients with spastic torticollis (ST).

MATERIAL AND METHODS: A retrospective study was conducted to evaluate the effectiveness of eperison administration alongside botulinum therapy in 29 patients diagnosed with ST. The study employed a cross-sectional retrospective analysis of medical data. Patients receiving botulinum toxin injections at three-month intervals (a total of 6 cycles), with assessments at 2 months (4-6 cycles after each injection), were administered eperison at a dose of 150 mg/day. The efficacy of the treatments was evaluated using a validated scale: the 85-point TWSTRS (Toronto Western Spasmodic Torticollis Rating Scale), assessed three times-before each botulinum injection (on day 1), at day 14, and and at day 60 later.

RESULTS: For cycles 1-3 (botulinum toxin, without eperisone), the average TWSTRS scale score on the on day 1 of each cycle was 40.72 – 41.66; cycles 4-6 with the addition of Eperisone – 26.6-30.4 points. When comparing the average values of the TWSTRS scale for cycles 1-3 and cycles 4-6 on the «Pain» scale, t-test value was: 15.85 (p=0.000546).

CONCLUSION: The intake of the centrally acting muscle relaxant eperison resulted in a statistically significant improvement in patients with ST by the time of the next injection (paired Student’s t-test 2.77-2.92, p=0.05), including improvements in the «Pain» scale, compared to botulinum therapy without eperison in the same patients.

PMID:41051811 | DOI:10.17116/jnevro202512509199

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