Memantine Therapy for Multiple Sclerosis (Memantine-MS)

Pilot Clinical Trial With Memantine for Cognitive Deficits in Patients With Multiple Sclerosis

To assess the efficacy of Memantine in improving the cognitive impairment in patients with Multiple Sclerosis (MS)

Study Overview

Status

Terminated

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:

  1. 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).
  2. to assess the effect of Memantine in attention evoked potentials (EP)
  3. 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.
  4. 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

Interventional

Enrollment (Actual)

20

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Navarra
      • Pamplona, Navarra, Spain, 31008
        • Clinica Universitaria de Navarra

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years to 63 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

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

This section provides details of the study plan, including how the study is designed and what the study is measuring.

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:
  • Ebixa

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

This is where you will find people and organizations involved with this study.

Collaborators

Investigators

  • Principal Investigator: Pablo Villoslada, MD, University of Navarra

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2007

Primary Completion (Actual)

March 1, 2008

Study Completion (Actual)

March 1, 2008

Study Registration Dates

First Submitted

March 12, 2008

First Submitted That Met QC Criteria

March 18, 2008

First Posted (Estimate)

March 19, 2008

Study Record Updates

Last Update Posted (Estimate)

June 8, 2012

Last Update Submitted That Met QC Criteria

June 7, 2012

Last Verified

June 1, 2012

More Information

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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