Fampridine-SR is registered for the treatment of walking incapacity in MS patients. Two pivotal trials show that app. 40% of MS patients with walking incapacity can improve walking speed averagely 25% when recieving the drug. This has been shown using the Timed 25 Foot Walk Test (T25FW). No effect on cognition and upper limb function has been shown, but this has not been investigated in patients responding to the drug measured by the abovementioned test. The question is if this will be the case and also if another walking test, termed the Six Spot Step Test (SSST), will be more sensitive to the effect of Fampridine-SR. Primary outcome measure is the effect measured by SSST. The hypothesis is that SSST is not less sensitive to the effect of Fampridine-SR than T25FW.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
108
Subjects will all receive Fampridine-SR in an open label enrichment phase lasting four weeks. Those 40% improvin the most measured by SSST will go onto the intervention. Here randomization in a 1:1 key between Fampridine-SR and placebo will be undertaken. Treatment will be of either Fampridine-SR 10 mg BID or placebo BID for four weeks. Arms will be double blind.
Esbjerg Hospital
Esbjerg, Denmark
Odense University Hospital
Odense, Denmark
Sønderborg Hospital
Sønderborg, Denmark
Vejle Hospital
Vejle, Denmark
The mean change in SSST
SSST is measured before treatment with Fampridine-SR. Then again measured at day 26, 27 or 28 of four weeks of treatment with Fampridine-SR.
Time frame: SSST is measured before and at the end of four weeks of treatment
Mean change in T25FW
T25FW is measured before four weeks of treatment with Fampridine-SR and then on day 26, 27 or 28.
Time frame: Four weeks
Mean change in hip flexion, knee flexion and knee extension force
Force in the abovementioned areas is measured by dynamometry before four weeks of treatment with Fampridine-SR and on day 26, 27 or 28.
Time frame: Four weeks
Mean change on Chair Rise Test
Time to rise from a chair five times is measured before four weeks of treatment with Fampridine-SR and on day 26, 27 or 28.
Time frame: Four weeks
Mean change on 9-Hole Peg Test (9HPT)
9HPT is measured before four weeks of treatment with Fampridine-SR and on day 26, 27 or 28.
Time frame: Four weeks
Mean change on Symbol Digit Modalitites Test (SDMT)
SDMT is measured before four weeks of treatment with Fampridine-SR and on day 26, 27 or 28.
Time frame: Four weeks
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