- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00950196
Amantadine for Improving Neurologic Symptoms in Ataxia-Telangiectasia
The Effect of Amantadine on Movement Disorder in Ataxia-Telangiectasia
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Ataxia-Telangiectasia (A-T) is a complex multisystem disorder with neurodegenerative course, immune deficiency, and tendency to develop malignancies .The clinical picture includes progressive cerebellar ataxia along with a movement disorder (chorea, dystonia or bradykinesia) that may be even more disabling than the ataxia . Fatigability, drooling and reduced stamina are other major concerns. Disease course is devastating: towards the second decade of life the affected children are usually bound to wheelchair and survival beyond the second decade of life is rare. Treatment of A-T is discouraging, since no treatment seems to change the course of disease, but improvement can be achieved by symptomatic treatment of the bothersome movement disorder . While various dopaminergic agents are occasionally used, reports of benefit are rather sparse and anecdotal.
Amantadine is a dopaminergic agent approved for prophylaxis of influenza (in children over 1 year of age and adults) as well as for extrapyramidal disorders in adults: Parkinson disease and drug induced dyskinesias . Amantadine increases dopaminergic transmission by inhibiting its synaptic uptake, as well as an antagonizing the striatal NMDA receptors). Additional conditions found to be improved with amantadine are: cerebellar ataxia, vigilance after brain trauma in adults and children ,attention deficit disorder in children, chorea and akinesia in Huntington's disease .
Amantadine is an FDA approved drug for treatment and prevention of influenza, Parkinson disease and drug induced dyskinesia; it is approved for use in adults and children over 1 year of age.
Dosage in children: 5 mg/kg body weight up to 8.8mg/kg/. Dosage in adults: 200 to 300 mg/day. The daily dosage should be divided into 2 to 3 daily portions. Amantadine is a safe drug with mild side effects: headache, decreased appetite, sedation, fatigue, abdominal pain, vomiting, insomnia, pedal edema and rash (4-10).
Studies in children proved amantadine to be a safe and tolerable drug. Amantadine was administered to 24 healthy children with ADHD, aged 5-13 year old . Side effects were present in 13/24 and were usually mild: decreased appetite, headache, sedation, mild insomnia, vomiting, fatigue, abdominal pain. One subject dropped out because of headache. Six low response children after traumatic brain injury were treated with amantadine (concurrently with other medication) The drug was safe with relatively mild side effects: sedation, intermittent tremor, dizziness, but no serious side effects requiring discontinuation of the protocol.
Study purpose The purpose of this study is to investigate weather amantadine sulphate improves ataxia and the movement disorder (bradykinesia, parkinsonism, dystonia, chorea), as well as the general well being in patients with A-T.
Study Type
Enrollment (Anticipated)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
-
Ramat Gan, Israel
- Sheba Medical Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- diagnosis of A-T
- significant functional disability
- age over 4 years
Exclusion Criteria:
- major comorbidity: active malignancy requiring chemotherapy, kidney or liver failure
- sexually active
- known hypersensitivity to amantadine
- previous treatment with amantadine in the 2 months preceding the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: amantadine (PKMERZ)
|
amantadine 5/mg/kg for 2 month- tapered up during 2 weeks at 1 month possibility to increase dosage to 8 mg/kg or reduce it if there are side effects
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
improvement in ataxia
Time Frame: 2 month
|
2 month
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
improvement in extrapyramidal movement disorder
Time Frame: 2 month
|
2 month
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Andreea Nissenkorn, MD, Sheba Medical Center, Pediatric Neurology and National A-T Clinic
Publications and helpful links
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
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Metabolic Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Immunologic Deficiency Syndromes
- Immune System Diseases
- Neurologic Manifestations
- Genetic Diseases, Inborn
- Basal Ganglia Diseases
- Movement Disorders
- Dyskinesias
- DNA Repair-Deficiency Disorders
- Neurocutaneous Syndromes
- Cerebellar Diseases
- Primary Immunodeficiency Diseases
- Spinocerebellar Ataxias
- Ataxia
- Dystonia
- Parkinsonian Disorders
- Telangiectasis
- Cerebellar Ataxia
- Ataxia Telangiectasia
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Peripheral Nervous System Agents
- Antiviral Agents
- Analgesics
- Sensory System Agents
- Analgesics, Non-Narcotic
- Dopamine Agents
- Antiparkinson Agents
- Anti-Dyskinesia Agents
- Amantadine
Other Study ID Numbers
- SHEBA-08-5196-AN-CTIL
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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