PMID: 18726717Aug 30, 2008Paper

Clinical outcome 6 years after autologous hematopoietic stem cell transplantation in multiple sclerosis

Neurología : publicación oficial de la Sociedad Española de Neurología
A SaizF Graus

Abstract

Autologous hematopoietic stem cell transplantation (AHSCT) remains as an experimental treatment for severe forms of multiple sclerosis (MS). We describe the clinical outcome of 14 patients included in a protocol of AHSCT after a median follow-up period of 6 years. 14 patients (5 relapsing-remitting and 9 secondary progressive) with a median number of relapses in the year before of 3 (1-7), Expanded Disability Status Scale (EDSS) of 6 (4.5-6.5) and decile of the multiple Sclerosis Severity Store (MSSS) 9 (7-10) were included. The procedure included carmustine, cyclophosphamide, antithymocyte globulin and T-cell depletion by CD34+ selection. The 4.5-year progression-free survival was 71%. The 6 year actuarial probability of progression-free survival was 62.5% and the disease activity-free survival of 7.1%. The median EDSS was 6 (4-8.5) and the MSSS 8 (5-10). Only 2 patients presented enhanced T1 lesions. No long-term complications related to the procedure were observed. AHSCT cannot be deemed a curative treatment but may cause prolonged stabilisation or change the aggressive course of the disease.

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