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Memantine Treatment in Fragile X-Associated Tremor/Ataxia Syndrome

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified June 2010 by University of California, Davis.
Recruitment status was:  Recruiting
National Institute on Aging (NIA)
Forest Laboratories
Information provided by:
University of California, Davis Identifier:
First received: December 22, 2007
Last updated: June 25, 2010
Last verified: June 2010
The purpose of this study is to determine if memantine is effective in treating symptoms of Fragile X-associated Tremor Ataxia Syndrome.

Condition Intervention
Fragile X-Associated Tremor/Ataxia Syndrome
Fragile X Premutation Carriers
Drug: Memantine

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Characterization and Treatment of CNS Abnormalities in Premutation Carriers: A Double-Blind Placebo-Controlled Trial of Memantine

Resource links provided by NLM:

Further study details as provided by University of California, Davis:

Primary Outcome Measures:
  • Improvement in neurocognitive functioning [ Time Frame: One Year ]

Secondary Outcome Measures:
  • Improvement in Cognitive ERP Deficits [ Time Frame: 2 years ]

Estimated Enrollment: 180
Study Start Date: September 2007
Estimated Study Completion Date: September 2012
Estimated Primary Completion Date: September 2012 (Final data collection date for primary outcome measure)
Intervention Details:
    Drug: Memantine
    Week 1: Take 5mg tab every morning. Week 2: Take 5mg tab every morning and evening. Week 3: Take 10mg tab in the morning and 5 mg in the evening. Week 4: Take 10 mg tab in the morning and evening, and remain on this dose through the remainder of the study.
    Other Name: Namenda

Ages Eligible for Study:   30 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Fragile X premutation carrier (CGG repeat 55-200)with neurological symptoms

Exclusion Criteria:

  • Previous reaction to memantine
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00584948

Contact: Jennifer B Cogswell 916-703-0331
Contact: Louise Gane 916-703-0238

United States, California
UC Davis MIND Institute Recruiting
Sacramento, California, United States, 95817
Contact: Jennifer B Cogswell    916-703-0331   
Contact: Louise Gane    916-703-0238   
Principal Investigator: Randi J Hagerman, MD         
United States, Colorado
University of Colorado Health Sciences Center Recruiting
Aurora, Colorado, United States, 80045
Principal Investigator: Maureen Leehey, MD         
Sponsors and Collaborators
University of California, Davis
National Institute on Aging (NIA)
Forest Laboratories
Principal Investigator: Randi J Hagerman, MD University of California, Davis
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Randi J. Hagerman, M.D., University of California, Davis Identifier: NCT00584948     History of Changes
Other Study ID Numbers: 200715426-1
1RL1AG032115-01 ( US NIH Grant/Contract Award Number )
Study First Received: December 22, 2007
Last Updated: June 25, 2010

Keywords provided by University of California, Davis:
FXTAS, Fragile X Premutation

Additional relevant MeSH terms:
Pathologic Processes
Neurologic Manifestations
Nervous System Diseases
Signs and Symptoms
Antiparkinson Agents
Anti-Dyskinesia Agents
Dopamine Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Physiological Effects of Drugs
Excitatory Amino Acid Antagonists
Excitatory Amino Acid Agents processed this record on March 24, 2017