Abstract
Introduction
The mechanism of action of fingolimod within the central nervous system and its efficacy in reducing/preventing both focal and diffuse grey matter (GM) damage in active multiple sclerosis (MS) are not completely understood.
Methods
In this longitudinal, 2-year prospective, phase IV, single-blind study, 40 MS patients treated with fingolimod and 39 untreated age, gender, and disability-matched MS patients were enrolled. Each patient underwent a neurological examination every 6 months and a 3T MRI at the beginning of the treatment and after 24 months. The accumulation of new cortical lesions (CLs) and the progression of regional GM atrophy were compared between the two groups.
Results
At the end of the study (T24), the percentage of patients with new CLs (13.5 vs. 89%, p < 0.001) and the percentage of GM volume change was lower in the treated group (p < 0.001). The regional analysis revealed that the treated group had also less volume loss in thalamus, caudatus, globus pallidus, cingulate cortex, and hippocampus (p < 0.001), as well as in, cerebellum, superior frontal gyrus, and insular-long gyrus (p < 0.05). Patients with no evidence of disease activity were 60% in the treated group and 10% in the untreated group (p < 0.001).
Conclusions
These results suggest a possible protective effect of fingolimod on focal and diffuse GM damage.
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The local Ethic Committee approved the present retrospective study and the informed consent was obtained from all patients.
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I certify that all authors have seen, reviewed, and agreed with the content of the manuscript and that the submission is not under review at any other publication. No submissions and previous reports are overlapping with the current work. Massimiliano Calabrese received payment for development of educational presentations including service on speakers’ bureaus by Biogen-Elan, Genzyme, TEVA, and Bayer-Schering, he received travel/accommodation expenses by Novartis Pharma, Genzyme, Biogen idec, Merck Serono, Bayer-Schering, and TEVA, and Advisory Board membership by Bayer-Shering, Genzyme, Biogen Idec and Novartis Pharma. All the other authors declare no conflict of interest.
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Bajrami, A., Pitteri, M., Castellaro, M. et al. The effect of fingolimod on focal and diffuse grey matter damage in active MS patients. J Neurol 265, 2154–2161 (2018). https://doi.org/10.1007/s00415-018-8952-2
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DOI: https://doi.org/10.1007/s00415-018-8952-2