- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04182399
Role of Zonisamide in Advanced Parkinson's Disease (PD) in Egyptian Population: Pilot Study
Zonisamide (ZNS) (1,2-Benzisoxazole-3-methanesulfonamide) is an anti-epileptic drug. In three double blinded placebo controlled studies, ZNS- as an adjunctive treatment- showed beneficial effects on motor symptoms of PD with a low incidence of adverse events. As a result 25 mg daily of ZNS was approved in 2009 in Japan as an adjunctive treatment in PD patients whose condition responded insufficiently to Levodopa treatment.
Most observations of a beneficial effect of ZNS have been in Japanese people, and the antiparkinsonian mechanism of action is unclear. So, ZNS is a promising but still investigational drug to treat PD and more studies are warranted.
this study will investigate the efficacy and tolerability of Zonisamide as an adjunctive treatment in Egyptian patients with advanced PD, including motor fluctuations, levodopa induced dyskinesia and existing nonmotor symptoms. Additionally it investigates its effects on quality of life of PD patients.
Study Overview
Detailed Description
Type of Study: Randomized double blinded Placebo controlled study.
- Study Setting: Movement disorders clinic of neurology department, Ain Shams University Hospitals.
- Study Period : 2 years.
- Study Population: Patients with advanced PD and insufficient response to dopaminergic drugs .
Inclusion Criteria:
- Age older than 18 years of both male and female genders.
- Individuals diagnosed with PD based on the presence of 2 of 3 cardinal features & United Kingdom bank criteria for idiopathic Parkinson's disease.
- Patients with manifestations of advanced PD defined according to the consensus on the definition of advanced PD.
- Inadequate response to dopaminergic medications due to limitations related to side effects, or levodopa related long-term problems as wearing-off phenomena, "on"-"off" fluctuation, levodopa induced dyskinesia and freezing phenomena, no-"on" and delayed-"on,".
Exclusion Criteria:
- Patients with atypical or secondary parkinsonian syndromes excluding PD.
- Patients who could not perform the tests.
- Women who were or might be pregnant, who did not practice effective contraception and were of childbearing potential, or who were breastfeeding.
Ethical Considerations:
All of the patients will be informed of the objectives, procedures and possible benefits and risks of the study and will provide written voluntary consent.
The study will conform to the standards of the Ethical Review Committee, Ain Shams University.
Study Procedures:
- Patients diagnosed with PD will be evaluated for inclusion and exclusion criteria. Eligible patients will be randomly assigned to one of three groups: placebo group , ZNS group 25 mg and ZNS group 50 mg (30 patients each).In ZNS 50 mg group, ZNS will be started with a dose of 25 mg daily for one week then increased to 50 mg once daily to minimize side effects. The dosage and regimen of ongoing antiparkinsonian drugs and other drugs that may affect PD symptoms will remain unchanged one month before and through the treatment period.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Ali S Shalash, PhD
- Phone Number: 00201111124815
- Email: ali_neuro@yahoo.com
Study Contact Backup
- Name: Mohamed Essam, MD
- Email: dmohamedesam@gmail.com
Study Locations
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-
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Cairo, Egypt, 11591
- Ain Shams Univeristy
-
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Abbasia
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Cairo, Abbasia, Egypt, 11575
- Department of Neurology, Ain Shams University Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
1 -Age older than 18 years of both male and female genders. 2-Individuals diagnosed with PD based on the presence of 2 of 3 cardinal features & UK bank criteria for idiopathic Parkinson's disease. 3-Patients with motor complications of PD (Hoehn and Yahr stage 2-3)(on therapy) and at least 2 hours off time.
Exclusion Criteria:
1 -Patients with atypical or secondary Parkinsonism syndromes excluding PD. 2-Patients who could not perform the tests. 3-Women who were or might be pregnant, who did not practice effective contraception and were of childbearing potential, or who were breastfeeding.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Patients 25 ZNS
30 patients receive oral 25 mg ZNS daily
|
anti-epileptic drug that recently used as add on therapy of wearing off and fluctuation complications of dopaminergic drugs in PD patients
Other Names:
|
Active Comparator: Patients 50 ZNS
30 patients receive oral 50 mg ZNS daily
|
anti-epileptic drug that recently used as add on therapy of wearing off and fluctuation complications of dopaminergic drugs in PD patients
Other Names:
|
Placebo Comparator: Patients Placebo
30 patients receive placebo
|
anti-epileptic drug that recently used as add on therapy of wearing off and fluctuation complications of dopaminergic drugs in PD patients
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Off motor daily time
Time Frame: at 1 and 3 months
|
assessing change of Off and on time using Movement Disorders Society- Unified Parkinson's Disease Rating Scale (MDS UPDRS)
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at 1 and 3 months
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levodopa related Dyskinesia
Time Frame: at 1 and 3 months
|
Dyskinesia will also be evaluated with Movement Disorders Society- Unified Dyskinesia Rating Scale (MDS-UDysRS)
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at 1 and 3 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Quality of life (daily life activities)
Time Frame: at 3 months
|
parkinson disease questionnaire-39
|
at 3 months
|
cognitive outcome
Time Frame: at 3 months
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using Montreal cognitive assessment
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at 3 months
|
The non-motor symptoms scales
Time Frame: at 1 and 3 months
|
using The non-motor symptoms scales (NMSS)
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at 1 and 3 months
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Parkinsonian Disorders
- Basal Ganglia Diseases
- Movement Disorders
- Synucleinopathies
- Neurodegenerative Diseases
- Parkinson Disease
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Membrane Transport Modulators
- Anticonvulsants
- Calcium-Regulating Hormones and Agents
- Calcium Channel Blockers
- Zonisamide
Other Study ID Numbers
- MD282/2019
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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