Treatment of internuclear ophthalmoparesis in multiple sclerosis with fampridine: A randomized double-blind, placebo-controlled cross-over trial.

Treatment of internuclear ophthalmoparesis in multiple sclerosis with fampridine: A randomized double-blind, placebo-controlled cross-over trial. CNS Neurosci Ther. 2019 Feb 12;: Authors: Kanhai KMS, Nij Bijvank JA, Wagenaar YL, Klaassen ES, Lim K, Bergheanu SC, Petzold A, Verma A, Hesterman J, Wattjes MP, Uitdehaag BMJ, van Rijn LJ, Groeneveld GJ Abstract AIM: To examine whether the velocity of saccadic eye movements in internuclear ophthalmoparesis (INO) improves with fampridine treatment in patients with multiple sclerosis (MS). METHODS: Randomized, double-blind, placebo-controlled, cross-over trial with fampridine in patients with MS and INO. Horizontal saccades were recorded at baseline and at multiple time points post-dose. Main outcome measures were the change of peak velocity versional dysconjugacy index (PV-VDI) and first-pass amplitude VDI (FPA-VDI). Both parameters were compared between fampridine and placebo using a mixed model analysis of variance taking patients as their own control. Pharmacokinetics was determined by serial blood sampling. RESULTS: Thirteen patients had a bilateral and 10 had a unilateral INO. One patient had an INO of abduction (posterior INO of Lutz) and was excluded. Fampridine significantly reduced both PV-VDI (-17.4%, 95% CI: -22.4%, -12.1%; P 
Source: CNS Neuroscience and Therapeutics - Category: Neuroscience Authors: Tags: CNS Neurosci Ther Source Type: research

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