Volume 68, Issue 6 pp. 806-815
Original Article

Evidence for acute neurotoxicity after chemotherapy

Axel Petzold MD, PhD

Corresponding Author

Axel Petzold MD, PhD

Department of Neuroimmunology, UCL Institute of Neurology, Queen Square, London, United Kingdom

VU Medical Center, Dept. of Neurology, De Boelelaan 1117, 1081 HV Amsterdam, The NetherlandsSearch for more papers by this author
Tjeerd Mondria

Tjeerd Mondria

Department of Neurology, MS Center ErasMS, Erasmus MC, Rotterdam, the Netherlands

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Jens Kuhle MD

Jens Kuhle MD

Departments of Neurology and Clinical Neuroimmunology University Hospital, University of Basel, Basel, Switzerland

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Maria A. Rocca MD

Maria A. Rocca MD

Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, Scientific Institute and University Hospital San Raffaele, Milan, Italy

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Jan Cornelissen MD

Jan Cornelissen MD

Department of Hematology, Erasmus Medical Center, Rotterdam, the Netherlands

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Peter te Boekhorst MD, PhD

Peter te Boekhorst MD, PhD

Department of Hematology, Erasmus Medical Center, Rotterdam, the Netherlands

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Bob Lowenberg MD, PhD

Bob Lowenberg MD, PhD

Department of Hematology, Erasmus Medical Center, Rotterdam, the Netherlands

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Gavin Giovannoni MBBCh, PhD

Gavin Giovannoni MBBCh, PhD

Blizard Institute of Cell and Molecular Science, Queen Mary University of London, Department of Neurology, Barts, and the London NHS Trust, the Royal London Hospital, Whitechapel, London, United Kingdom

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Massimo Filippi MD

Massimo Filippi MD

Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, Scientific Institute and University Hospital San Raffaele, Milan, Italy

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Ludwig Kappos MD

Ludwig Kappos MD

Departments of Neurology and Clinical Neuroimmunology University Hospital, University of Basel, Basel, Switzerland

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Rogier Hintzen MD, PhD

Rogier Hintzen MD, PhD

Department of Neurology, MS Center ErasMS, Erasmus MC, Rotterdam, the Netherlands

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First published: 30 December 2010
Citations: 50

Abstract

Objective

Chronic neurotoxicity is a recognized long-term complication following chemotherapy in a range of diseases. Neurotoxicity adversely affects patients' quality of life. The objective of this study is to examine whether there is evidence of acute neurotoxicity.

Methods

This prospective study included patients with secondary progressive multiple sclerosis (SPMS-BMT, n = 14) and hematological malignancies (HM-BMT, n = 17) receiving chemotherapy as preconditioning for bone marrow transplant. The control groups included SPMS patients matched for demographic and clinical data (SPMS-PL, n = 14) and healthy controls (n = 14). Neurodegeneration was assessed at baseline and longitudinally (months 1, 2, 3, 6, 9, 12, 24, and 36), combining a clinical scale for disability (Expanded Disability Status Scale [EDSS]), a serum protein biomarker for neurodegeneration (neurofilaments, NfH-SMI35), and brain atrophy measures (magnetic resonance imaging).

Results

Disability progression was significantly more acute and severe following chemotherapy compared to placebo. Immediately after starting chemotherapy, serum NfH-SMI35 levels increased in 79% (p < 0.0001) of SPMS-BMT patients and 41% (p < 0.01) of HM-BMT patients compared to 0% of SPMS-PL patients or healthy controls. In SPMS-BMT serum NfH-SMI35 levels were > 100-fold higher 1 month after chemotherapy (29.73ng/ml) compared to baseline (0.28ng/ml, p < 0.0001). High serum NfH-SMI35 levels persisting for at least 3 months were associated with sustained disability progression on the EDSS (p < 0.05). Brain atrophy rates increased acutely in SPMS-BMT (−2.09) compared to SPMS-PL (−1.18, p < 0.05).

Interpretation

Neurotoxicity is an unwanted acute side effect of aggressive chemotherapy. ANN NEUROL 2010

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