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Trial registered on ANZCTR
Registration number
ACTRN12608000097347
Ethics application status
Approved
Date submitted
13/02/2008
Date registered
20/02/2008
Date last updated
21/11/2008
Type of registration
Prospectively registered
Titles & IDs
Public title
A double blind, randomised, placebo controlled, multi centre study to assess the efficacy and safety of adjunctive zonisamide in myoclonic seizures associated with idiopathic generalised epilepsy.
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Scientific title
placebo controlled adjunctive zonisamide in myoclonic seizures associated with idiopathic generalised epilepsy
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Secondary ID [1]
522
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E2090-E044-317
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Epilepsy
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Condition category
Condition code
Neurological
2927
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0
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Epilepsy
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
adjunctive therapy- Zonisamide. Patients will take study drug (either Zonisamide or Placebo) alongside their usual Antiepileptic drugs. Patients will commence on a dose of 50mg. Further dose increases will occur at one week intervals until a dose of 300mg is reached by week 4. Patients will then maintain their dose for a further 12 weeks.
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Intervention code [1]
2530
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Treatment: Drugs
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Comparator / control treatment
Placebo will be the comparator to Zonisamide. Placebo will be dispensed in the same way as Zonisamide.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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decrease of seizure frequency
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Assessment method [1]
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Timepoint [1]
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a seizure diary will be used to collect information on frequency of Seizures. A diary will be collected from 8 weeks prior to the study until after 16 weeks of active therpay.
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Secondary outcome [1]
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safety - blood samples will be taken and assessed for safty Laboratory values.
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Assessment method [1]
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Timepoint [1]
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At screening and final visit (after 16 weeks of active therapy)
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Eligibility
Key inclusion criteria
myoclonic seizures
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Minimum age
12
Years
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Maximum age
65
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
other type of seizures
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Sunjects will be enrolled and allocated to a treatment using a central randomisation system by phone.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Subjects will be randomised tusing a central randomisation system which will determine the sequence of patients.
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 3
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Stopped early
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Data analysis
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Reason for early stopping/withdrawal
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Date of first participant enrolment
Anticipated
20/02/2008
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
110
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Recruitment postcode(s) [1]
566
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3050
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Recruitment postcode(s) [2]
756
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3084
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Recruitment postcode(s) [3]
757
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2031
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Recruitment postcode(s) [4]
758
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2067
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Recruitment postcode(s) [5]
759
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3065
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Recruitment outside Australia
Country [1]
681
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Croatia
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State/province [1]
681
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Country [2]
682
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Czech Republic
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State/province [2]
682
0
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Country [3]
683
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Estonia
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State/province [3]
683
0
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Country [4]
684
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Germany
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State/province [4]
684
0
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Country [5]
685
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Hungary
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State/province [5]
685
0
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Country [6]
686
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Lithuania
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State/province [6]
686
0
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Country [7]
687
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Poland
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State/province [7]
687
0
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Country [8]
688
0
Serbia and Montenegro
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State/province [8]
688
0
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Country [9]
689
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Russian Federation
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State/province [9]
689
0
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Country [10]
690
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Ukraine
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State/province [10]
690
0
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Country [11]
691
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Romania
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State/province [11]
691
0
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Country [12]
692
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Spain
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State/province [12]
692
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Funding & Sponsors
Funding source category [1]
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Commercial sector/Industry
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Name [1]
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Eisai Ltd
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Address [1]
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3 Shortlands
London
W6 8EE
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Country [1]
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United Kingdom
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Primary sponsor type
Commercial sector/Industry
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Name
Eisai Ltd.
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Address
3 Shortlands
London
W6 8EE
UK
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Country
United Kingdom
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Secondary sponsor category [1]
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Other
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Name [1]
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Parexel Int.
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Address [1]
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3 Thomas Holt Drive
North Ryde, NSW
2113
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Country [1]
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Australia
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Secondary sponsor category [2]
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Other
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Name [2]
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Parexel International
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Address [2]
2750
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101-105 Oxford Rd.
The Quays
Uxbrudge, Middlesex,
UB8 1LZ
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Country [2]
2750
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United Kingdom
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Melbourne Health Human Research Ethics Committee
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Ethics committee address [1]
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Ward 6 East, Research Directorate Gratten St Parkville VIC 3050
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
4986
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21/11/2007
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Approval date [1]
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20/02/2008
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Ethics approval number [1]
4986
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2007.288
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Ethics committee name [2]
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Northern Sydney Central Coast Human Research Ethics Commitee
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Ethics committee address [2]
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Research Office, RNSH Level 4 Vindin House, Pacific Highway, St Leonards NSW 2065
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Ethics committee country [2]
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Australia
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Date submitted for ethics approval [2]
4987
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10/01/2008
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Approval date [2]
4987
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09/07/2008
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Ethics approval number [2]
4987
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08/HARBA/3/4
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Ethics committee name [3]
4988
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Austin Health Human Research Ethics Commitee
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Ethics committee address [3]
4988
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Research Ethics Unit (REU) Level 8, Room 8322 Harold Stokes Building Austin Hospital 145 Studley Road Heidelberg Victoria 3084
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Ethics committee country [3]
4988
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Australia
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Date submitted for ethics approval [3]
4988
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16/01/2008
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Approval date [3]
4988
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04/06/2008
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Ethics approval number [3]
4988
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H2008/03172
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Ethics committee name [4]
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St Vincents Hospital (melbourne) Human Research Ethics Committee
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Ethics committee address [4]
5003
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Level 5, Aikenhead Building 27 Victoria Parade Fitzroy VIC 3065
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Ethics committee country [4]
5003
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Australia
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Date submitted for ethics approval [4]
5003
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31/01/2008
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Approval date [4]
5003
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Ethics approval number [4]
5003
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015/08
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Summary
Brief summary
This study is designed to compare how safe and effective zonisamide is compared to placebo in people with myoclonic seizures associated with idiopathic generalised epilepsy who are already being treated with one or two other anti-epileptic drugs. Zonisamide is an investigational drug. RESEARCH OBJECTIVES To assess the efficacy of adjunctive zonisamide in idiopathic generalised epilepsy (IGE) in reducing the frequency of myoclonic seizures in subjects with continuing seizures despite treatment with 1 or 2 other anti epileptic drugs (AEDs). To assess the safety and tolerability of zonisamide and explore further efficacy in other seizure types. STUDY DESIGN This is a double blind, randomised, placebo controlled study comparing zonisamide and placebo in 110 subjects (1:1ratio). The study consists fo Baseline, Titration and Maintenance periods. Baseline Period once the Screening Visit has been performed, a seizure diary will be maintained to document the baseline seizure frequency in the eight weeks before the Randomisation Visit. Titration Period zonisamide/placebo dose will commence at at 50 mg. Further dose increases will occur at one week intervals until at dose of 300 mg is reached by Week 4. If adverse events (AEs) occur, one titration step will be omitted during Weeks 0 3, in which case the dose reached at Week 4 will be 250 mg. Subjects who require further down titration during this period will be withdrawn. Maintenance Period subjects will be treated with their Week 4 dose. In the event of seizures occurring in the first two weeks of the Maintenance Period, the dose will be increased to 400 mg (or 350 mg, if the subject omitted one dose in the Titration Period and the AE that led to this dose increase omission has subsided). The dose can be reduced to 200 mg in the case of dose-limiting AEs. Subjects who require further down titration or dose increases will be withdrawn (with the exception of those who had temporary dose decreases for not more that 4 days when necessitated by intercurrent illness). During the remainder of the Maintenance Period, the dose of study medication must remain unchanged. During the entire study the patient will keep a seizure diary to ascertain seizure frequency and type. Adverse events (AEs) will be reviewed at every visit, also physical and neurological exams and orthostatic vitals will be collected at every visit.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Sophie Nzongani-Morin
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Address
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PAREXEL International
190 Rue Championnet
PARIS, 75018
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Country
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France
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Phone
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+33 1 44 90-32 31
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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Janos Antal
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Address
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Hermina utca 17, Budapest, 1146 Hungary
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Country
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Hungary
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Phone
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36 1 461 7600
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Fax
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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