Abstract
Myelin basic protein (MBP)-reactive T cells are potentially involved in the pathogenesis of multiple sclerosis (MS), and can be depleted by subcutaneous inoculations with irradiated autologous MBP-reactive T cells (T cell vaccination). This preliminary open label study was undertaken to evaluate whether depletion of MBP-reactive T cells would be clinically beneficial to patients with MS. Fifty-four patients with relapsing-remitting (RR) MS (n=28) or secondary progressive (SP) MS (n=26) were immunized with irradiated autologous MBP-reactive T cells and monitored for changes in rate of relapse, expanded disability scale score (EDSS) and MRI lesion activity over a period of 24 months. Depletion of MBP-reactive T cells correlated with a reduction (40 %) in rate of relapse in RR-MS patients as compared with the pre-treatment rate in the same cohort. However, the reduction in EDSS was minimal in RR-MS patients while the EDSS was slightly increased in SP-MS patients over a period of 24 months. Serial semi-quantitative MRI examinations suggest stabilization in lesion activity as compared with baseline MRI. The findings suggest some potential clinical benefit of T cell vaccination in MS and encourage further investigations to evaluate the treatment efficacy of T cell vaccination in controlled trials.
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Received: 27 November 2000, Received in revised form: 10 May 2001, Accepted: 11 June 2001
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Zhang, J., Rivera, V., Tejada-Simon, M. et al. T cell vaccination in multiple sclerosis: results of a preliminary study. J Neurol 249, 212–218 (2002). https://doi.org/10.1007/PL00007867
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DOI: https://doi.org/10.1007/PL00007867