Teriflunomide treatment is associated with optic nerve recovery in early multiple sclerosis

Author:

Pfeuffer Steffen1ORCID,Kerschke Laura2,Ruck Tobias3,Rolfes Leoni4,Pawlitzki Marc4,Albrecht Philipp3ORCID,Wiendl Heinz4ORCID,Meuth Sven G.3

Affiliation:

1. Department of Neurology and Institute of Translational Neurology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Muenster, 48149, Germany

2. Institute of Biostatistics and Clinical Research, University of Muenster, Muenster, Germany

3. Department of Neurology, Heinrich-Heine-University Duesseldorf, Duesseldorf, Germany

4. Department of Neurology with Institute of Translational Neurology, University Hospital Muenster, Muenster, Germany

Abstract

Background and aims: Various attempts have been made to support recovery following optic neuritis (ON), but the respective trials have mostly been negative. The aim of this study was to determine whether disease-modifying treatment (DMT) following ON as first manifestation of relapsing-remitting multiple sclerosis influences long-term outcomes. Methods: A total of 79 patients with ON were identified and evaluated at relapse, DMT induction, and 12 months following treatment induction with either glatiramer acetate (GLAT), interferon-beta (IFN), or teriflunomide (TRF). Low-contrast letter acuity (LCLA) and full-field visual-evoked potentials (FF-VEP) were compared between treatment groups using multivariable regression models. The impact of TRF treatment induction compared with IFN or GLAT following relapses outside the optic nerves was evaluated in an independent cohort of 122 patients. Magnetic resonance imaging (MRI) outcomes and rates of confirmed improvement of relapse-related disability were evaluated. Results: TRF-treated patients exhibited higher LCLA and lower relative P100 latencies normalized to the fellow-eye. Findings were significant following covariate-adjustment by multivariable analyses. Cranial MRI lesion load as well as disability progression rates were not significantly different between groups. The cohort of patients following relapses other than ON showed no differences in confirmed improvement of disability. Conclusion: TRF treatment is associated with favorable outcomes regarding functional optic nerve recovery following ON in early multiple sclerosis.

Publisher

SAGE Publications

Subject

Clinical Neurology,Neurology,Pharmacology

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