Extracorporeal shock wave therapy for injection site panniculitis in multiple sclerosis patients.

Stieger, Marco; Schmid, Jean-Paul; Yawalkar, Nikhil; Hunziker, Thomas (2015). Extracorporeal shock wave therapy for injection site panniculitis in multiple sclerosis patients. Dermatology, 230(1), pp. 82-86. Karger 10.1159/000368351

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BACKGROUND

Painful cutaneous injection site reactions may hamper treatment with interferon β (IFN-β) and glatiramer acetate (GA) in multiple sclerosis (MS) patients.

OBJECTIVE

To maintain therapy adherence, efficient therapeutic modalities for these subcutaneous inflammatory lesions are urgently needed. We tested the application of local extracorporeal shock wave therapy (ESWT).

METHODS

We applied 5 sessions of ESWT to 8 patients suffering from MS who had developed painful panniculitis at the injection sites of either IFN-β or GA. Clinical outcomes, i.e. pain reduction and regression of induration, were assessed 3 and 6 months after completion of the ESWT using a visual analogue score.

RESULTS

All patients showed both significant pain reduction and reduction of the skin induration in the treated lesions, while in untreated control lesions there was no improvement.

CONCLUSION

ESWT proved to be a non-invasive, safe and efficient physical treatment modality for injection-induced painful cutaneous side effects of disease-modifying drugs in MS. © 2014 S. Karger AG, Basel.

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