- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01576354
Characterization of the Effects of Prolonged-release Fampridine on Ambulatory Function in Patients With Multiple Sclerosis (FAMPKIN)
A Phase IIb, Double-blind, Randomized, Mono-center, Placebo-controlled Study With Crossover Design Characterizing the Effects of Prolonged-release Fampridine Treatment on Ambulatory Function in Patients With Multiple Sclerosis Using Detailed Gait Analysis Based on Kinematic and Kinetic Parameters
The objective of the present investigator-initiated mono-center trial to be performed at the Department of Neurology of the University Hospital Zurich is a detailed characterization of the effects of prolonged-release fampridine on walking function of 50-70 patients with MS. In a randomized, double-blind, placebo-controlled study with cross-over design, changes of essential gait elements such as stability, coordination, correct loading, posture or endurance in addition to walking speed after treatment with prolonged-release fampridine will be investigated using a comprehensive kinematic gait analysis protocol. This protocol comprises outcome parameters ranging from very specific and sensitive biomechanical measures to clinically meaningful indicators of improved ambulatory function. Kinematic, kinetic and electromyographic gait parameters will be assessed during treadmill walking (primary outcome parameters). Changes in overground walking capacity will be investigated by means of different functional walking tests (e.g. six minute walk test). Furthermore, the patient's perception of the effects of the treatment on walking function will be evaluated by a standardized questionnaire. Changes of global ambulatory activity will be assessed (Actimeter) indicating a successful translation of improved gait (sub-)functions due to prolonged-release fampridine treatment into everyday life. The study will last for a period of 18 weeks, excluding the screening period. Based on the mechanism of action, the investigators hypothesize that treatment with prolonged-release fampridine will not only improve walking speed, but also clinically more meaningful features of walking function in patients with MS.
- Trial with medicinal product
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Locations
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ZH
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Zurich, ZH, Switzerland, 8091
- University Hospital Zurich, Division of Neurology
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Ability to understand the purpose and risks of the study and provide signed and dated informed consent and authorization to use protected health information (PHI) in accordance with national and local subject privacy regulations.
- Male or female subjects must be 18 to 65 years old, inclusive, at the time of informed consent.
- Must have a diagnosis of either primary progressive, secondary progressive, progressive remitting, or relapsing remitting MS as defined by the revised McDonald Committee criteria [Lublin et al. 1996; McDonald et al. 2001; Polman et al. 2005; Section 22.4, Appendix L] of at least 3 months duration.
- Must be able to walk at least 50 meters (with or without a walking aid) at each individual 6minWT conducted pre-randomization.
- Must have an impaired walking function demonstrated by a mild gait ataxia (Functional System (FS) score = 2 in the cerebellar system component of the EDSS) or a FS score of > 2 in the pyramidal system component of the EDSS based only on evaluation of the lower limbs (hip flexors, knee flexors, knee extensors, and ankle dorsiflexors)or a restricted ambulation (< 1h walking duration) at the Screening Visit.
- Female subjects of childbearing potential must practice effective contraception during the study and be willing and able to continue contraception for 30 days after their last dose of study treatment.
- Subjects must be able to understand the patient information sheet and comply with the requirements of the protocol.
Main Exclusion Criteria:
- Any history of seizure, epilepsy, or other convulsive disorder, with the exception of febrile seizures in childhood.
- Any prior treatment with anti-epileptic medications specifically prescribed for the treatment of epilepsy.
- Onset of MS exacerbation within the 60 days prior to the Screening Visit.
- Use of mitoxantrone, cyclophosphamide, rituximab, alemtuzumab, daclizumab, cladribine or any other immune suppressant (except FTY720) or antibody (except natalizumab) within 3 months prior to the Screening Visit, or scheduled use during study participation.
- Pulsed steroid treatment within the 60 days prior to the Screening Visit, or at any time during the screening period.
- Women who are pregnant or breast feeding,
- Clinically significant concomitant disease states such as renal failure, (e.g., moderate or severe renal impairment), hepatic dysfunction (e.g., acute or chronic hepatitis), cardiovascular or pulmonary disease, malignant disease (tumor, neoplasia) etc.
- Participation in another study with investigational drug within the 30 days preceding and during the present study.
- Contraindications to the class of drugs under study, e.g. known allergy to pyridine-containing substances.
- Any prior treatment with fampridine (4-aminopyridine; 4 AP) or 3,4-diaminopyridine in any formulation.
- Patients with an acute urinary tract infection at the Screening Visit as indicated by symptoms like painful urination/dysuria, urinary frequency, urinary urgency, pollakiuria, suprapubic pain, flank pain, costovertebral angle tenderness or fever >38°C in combination with a clinically significant pathological finding in the urine analysis (e.g., positive for leukocytes) at the Screening.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Placebo Comparator: Placebo
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tablet twice a day (every 12 hours), orally (matched placebo is provided as oval-shaped, white to off-white, matrix tablets.
Each tablet contains the following inactive ingredients: colloidal silicon dioxide, hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, and titanium dioxide)
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Active Comparator: Prolonged-release Fampridine
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10mg tablet twice a day (every 12 hours), orally
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changed walking pattern on treadmill under fampridine treatment.
Time Frame: Assessment during double-blind fampridine and double-blind placebo treatment (each for 6 weeks, assessments in week 4 and 6). Averaged values from the 2 different testing sessions per treatment period will be compared.
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Electromyographic, kinematic and kinetic gait parameters describing stability, balance, posture, foot placement, loading, intra- and interlimb coordination and general dynamics of lower extremities will be recorded during treadmill walking.
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Assessment during double-blind fampridine and double-blind placebo treatment (each for 6 weeks, assessments in week 4 and 6). Averaged values from the 2 different testing sessions per treatment period will be compared.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
6 minute Walking Test
Time Frame: The test will be performed at all Visits (14) over a period of 18 weeks. Subjects will complete the task once per testing session/visit.
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The test will be performed at all Visits (14) over a period of 18 weeks. Subjects will complete the task once per testing session/visit.
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Timed 25-foot Walk test
Time Frame: The test will be performed 13 times over a period of 18 weeks. Subjects will complete the task four times per testing session/visit, two times with and two times without walking aids (in case walking aids are required).
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The test will be performed 13 times over a period of 18 weeks. Subjects will complete the task four times per testing session/visit, two times with and two times without walking aids (in case walking aids are required).
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Timed-Up-and-Go test
Time Frame: Subjects will complete the task two times per testing session/visit, once with and once without walking aids (in case walking aids are required). The task will be performed 4 times over a period of 18 weeks.
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Subjects will complete the task two times per testing session/visit, once with and once without walking aids (in case walking aids are required). The task will be performed 4 times over a period of 18 weeks.
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Berg Balance Scale
Time Frame: The subjects' performances are rated 4 times over a period of 18 weeks.
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The subjects' performances are rated 4 times over a period of 18 weeks.
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Dynamic Gait Index
Time Frame: The performance is rated 4 times over a period of 18 weeks.
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The performance is rated 4 times over a period of 18 weeks.
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LEMMT
Time Frame: Lower Extremity Manual Muscle Test will be performed 4 times over a period of 18 weeks.
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modified British Medical Research Council (BMRC) manual muscle test: hip flexors, knee flexors, knee extensors, and ankle dorsiflexors
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Lower Extremity Manual Muscle Test will be performed 4 times over a period of 18 weeks.
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Actimeter
Time Frame: The device will be worn for 14 days during each double-blind treatment periods (two 6-weeks-periods).
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The device will be worn for 14 days during each double-blind treatment periods (two 6-weeks-periods).
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12-item MS Walking Scale
Time Frame: Subjects are asked to complete the standardized questionnaire 4 times over a period of 18 weeks.
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Subjects are asked to complete the standardized questionnaire 4 times over a period of 18 weeks.
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Fatigue Questionnaire (WEIMuS)
Time Frame: Subjects are asked to complete the standardized questionnaire at each visit except the Screening Visit (i.e., 13 times) over a period of 18 weeks.
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Subjects are asked to complete the standardized questionnaire at each visit except the Screening Visit (i.e., 13 times) over a period of 18 weeks.
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Michael Linnebank, MD, University Hospital Zurich, Division of Neurology
Publications and helpful links
General Publications
- Zorner B, Hostettler P, Meyer C, Killeen T, Gut P, Linnebank M, Weller M, Straumann D, Filli L. Prognosis of walking function in multiple sclerosis supported by gait pattern analysis. Mult Scler Relat Disord. 2022 Jul;63:103802. doi: 10.1016/j.msard.2022.103802. Epub 2022 Apr 10.
- Weller D, Filli L, Meyer C, Lorincz L, Linnebank M, Weller M, Curt A, Zorner B. Impaired speed-dependent modulation of the gait pattern in multiple sclerosis. J Neurol. 2020 Oct;267(10):2998-3007. doi: 10.1007/s00415-020-09965-3. Epub 2020 Jun 4.
- Filli L, Werner J, Beyer G, Reuter K, Petersen JA, Weller M, Zorner B, Linnebank M. Predicting responsiveness to fampridine in gait-impaired patients with multiple sclerosis. Eur J Neurol. 2019 Feb;26(2):281-289. doi: 10.1111/ene.13805. Epub 2018 Oct 7.
- Filli L, Zorner B, Kapitza S, Reuter K, Lorincz L, Weller D, Sutter T, Killeen T, Gruber P, Petersen JA, Weller M, Linnebank M. Monitoring long-term efficacy of fampridine in gait-impaired patients with multiple sclerosis. Neurology. 2017 Feb 28;88(9):832-841. doi: 10.1212/WNL.0000000000003656. Epub 2017 Feb 1.
- Zorner B, Filli L, Reuter K, Kapitza S, Lorincz L, Sutter T, Weller D, Farkas M, Easthope CS, Czaplinski A, Weller M, Linnebank M. Prolonged-release fampridine in multiple sclerosis: Improved ambulation effected by changes in walking pattern. Mult Scler. 2016 Oct;22(11):1463-1475. doi: 10.1177/1352458515622695. Epub 2016 Jan 13.
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Nervous System Diseases
- Immune System Diseases
- Demyelinating Autoimmune Diseases, CNS
- Autoimmune Diseases of the Nervous System
- Demyelinating Diseases
- Autoimmune Diseases
- Multiple Sclerosis
- Sclerosis
- Molecular Mechanisms of Pharmacological Action
- Membrane Transport Modulators
- Potassium Channel Blockers
- 4-Aminopyridine
Other Study ID Numbers
- FAMPKIN
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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