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Prolonged-release fampridine and walking and balance in MS: randomised controlled MOBILE trial
Raymond Hupperts1, Jan Lycke2, Christine Short3
1Orbis Medical Center, Sittard-Geleen, the Netherlands r.hupperts@orbisconcern.nl.
Background:
Mobility impairment is a common disability in MS and negatively impacts patients' lives.
Objective:
Evaluate the effect of prolonged-release (PR) fampridine (extended-release dalfampridine in the United States) on self-assessed walking disability, dynamic/static balance and safety in patients with MS.
Methods:
MOBILE was a randomised, double-blind, exploratory, placebo-controlled trial. Patients with progressive/relapsing-remitting MS and Expanded Disability Status Scale score of 4.0-7.0 were treated with PR-fampridine or placebo twice daily for 24 weeks. Efficacy endpoints included change from baseline in the 12-item MS Walking Scale (MSWS-12), Timed Up and Go (TUG) test and Berg Balance Scale (BBS).
Results:
132 patients were randomised at 24 sites in six countries. PR-fampridine therapy resulted in greater median improvements from baseline in MSWS-12 score, TUG speed and BBS total score versus placebo over 24 weeks. A higher proportion of patients receiving PR-fampridine versus placebo experienced significant improvements at MSWS-12 improvement thresholds ⩾7 (p = 0.0275), ⩾8 (p = 0.0153) and ⩾9 points (p = 0.0088) and TUG speed thresholds ⩾10% (p = 0.0021) and ⩾15% (p = 0.0262). PR-fampridine was well tolerated.
Conclusions:
PR-fampridine therapy resulted in early and sustained improvements in broad measures of walking and balance over six months.
