- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00638833
Memantine Therapy for Multiple Sclerosis (Memantine-MS)
Pilot Clinical Trial With Memantine for Cognitive Deficits in Patients With Multiple Sclerosis
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Memantine is an NMDA receptor antagonist that improves cognitive and behavioural deficits in patients with Alzheimer disease, vascular dementia and mixed dementia. This study is focused in proving the efficacy of Memantine in ameliorating one of the most frequent symptoms of patients with MS which is attention and memory deficits. Memantine is a safe drug in patients with MS and it has been administered to MS patients with pendular nystagmus (Starck et al J Neurol 1997). The study will have the power to detect differences in such clinical question by studying 60 MS patients with cognitive impairment (n=60)) with a crossover design. Indeed, we plan to use a new and powerful surrogate marker such as attention evoked potentials developed in our center. Finally, because there are evidences that Memantine might improve MS outcome by closing the Brain-Blood barrier (which is the best therapeutic target in this disease) (Paul et al J Pharmacol Exp Ther 2002), an exploratory study of its efficacy in preventing new MRI lesions might also be included in the design.
Aims: To assess the efficacy of Memantine in improving the cognitive impairment in patients with Multiple Sclerosis (MS) Primary end-point: to assess the efficacy of Memantine in improving memory deficit in MS patients using the SRT scale
Secondary end-points:
- To assess the efficacy of Memantine in improving the performance in the individual neuropsychological tests for attention (PASAT3, SDMT, Stroop), executive (Raven, MATTIS) and memory (10/36, SRT), in the neuropsychological global scale BRB-N Z (Sepulcre et al, submitted) in quality of life (SF36), disability (EDSS, MSFC, MSSS) and fatigue (Krupp).
- to assess the effect of Memantine in attention evoked potentials (EP)
- to assess the effect of Memantine in clinical course (new relapses, relapse rate, patients free of relapses), disability (EDSS, MSFC, MSSS) and MRI parameters (active lesions: new T2 lesions, change in T2 lesion load, new gadolinium enhancing lesions and global and regional atrophy) in the response to Memantine. MRI study is optional.
- to identify the predictors of good or bad response to Memantine therapy by using EP as surrogate markers.
Design: double blind, randomize and crossover clinical trial with Memantine compared with placebo in MS patients. Because Memantine have a hal-life of 2 to 4 days period, at the end of the 6 month, patients we will stay 3 weeks without any therapy (placebo or Memantine) in order to washout Memantine in the therapeutic group
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Navarra
-
Pamplona, Navarra, Spain, 31008
- Clinica Universitaria de Navarra
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with MS (McDonald 2002), both sex, age between 18 to 60 years old, all MS subtypes (RR, SP, PP, PR), stable.
- Patients with severe cognitive impairment defined as performing 1.5 SD below control group (matched by age and education) in 2 o more subtests based in our previous study (Sepulcre 2006):
Exclusion Criteria:
- Psychiatric diseases (Cummings) depression (Hamilton >8), drug or alcohol abuse, benzodiazepine therapy or other medical diseases.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: B
Placebo
|
Placebo pills
|
Active Comparator: A
Memantine 30 mg/day
|
Memantine 30 mg/day (20-10-0)
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
to assess the efficacy of Memantine in improving memory deficit in MS patients using the SRT scale
Time Frame: 6 months
|
6 months
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
1. tests for attention (PASAT3, SDMT, Stroop), executive (Raven, MATTIS) and memory (10/36, SRT), quality of life (SF36), and fatigue (Krupp). 2. attention evoked potentials 3. clinical course, disability (EDSS, MSFC, MSSS).
Time Frame: 6 months
|
6 months
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Pablo Villoslada, MD, University of Navarra
Publications and helpful links
General Publications
- Sepulcre J, Vanotti S, Hernandez R, Sandoval G, Caceres F, Garcea O, Villoslada P. Cognitive impairment in patients with multiple sclerosis using the Brief Repeatable Battery-Neuropsychology test. Mult Scler. 2006 Apr;12(2):187-95. doi: 10.1191/1352458506ms1258oa.
- Villoslada P, Arrondo G, Sepulcre J, Alegre M, Artieda J. Memantine induces reversible neurologic impairment in patients with MS. Neurology. 2009 May 12;72(19):1630-3. doi: 10.1212/01.wnl.0000342388.73185.80. Epub 2008 Dec 17.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
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
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Excitatory Amino Acid Antagonists
- Excitatory Amino Acid Agents
- Dopamine Agents
- Antiparkinson Agents
- Anti-Dyskinesia Agents
- Memantine
Other Study ID Numbers
- 11495A
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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