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More MS news articles for March 2003

Effects of Mitoxantrone on Multiple Sclerosis Patients' Lymphocyte Subpopulations and Production of Immunoglobulin, TNF-alpha and IL-10

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12646755&dopt=Abstract

Eur Neurol 2003;49(3):137-41
Gbadamosi J, Buhmann C, Tessmer W, Moench A, Haag F, Heesen C.
Department of Neurology, University Hospital Hamburg, Germany.

We designed this longitudinal study to clarify the short- and long-term effects of mitoxantrone on the immune system in a subgroup of multiple sclerosis patients treated at our centre.

After 14 days we found a highly significant sustained reduction of leucocytes, primarily affecting neutrophils and most lymphocyte subsets except for naive and activated T lymphocytes.

The CD4/CD8 ratio and serum immmunoglobulin levels were not affected.

Furthermore, whole blood-stimulated mononuclear cell IL-10 production showed a significant lower level 2 weeks treatment, whereas basal IL-10 as well as stimulated and basal TNF-alpha secretion showed no significant changes.

Longitudinal data disclosed a persistent decrease of B lymphocytes, while secretion of immunoglobulins, IL-10, and TNF-alpha was not altered in the follow-up.

In conclusion, we confirmed a selective short-term effect of mitoxantrone therapy on most lymphocyte subpopulations, but not on immunoglobulines or the pro- and anti-inflammatory cytokines TNF-alpha and IL-10, which do not serve as possible response markers.