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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03865732
Registration number
NCT03865732
Ethics application status
Date submitted
5/03/2019
Date registered
7/03/2019
Date last updated
26/06/2023
Titles & IDs
Public title
Study of Adjunctive Ganaxolone Treatment in Female Children With Protocadherin 19 (PCDH19)-Related Epilepsy (Violet Study)
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Scientific title
A Double-blind, Randomized, Placebo-controlled Trial of Adjunctive Ganaxolone Treatment in Female Children With Protocadherin 19 (PCDH19)-Related Epilepsy Followed by Long-term Open-label Treatment.
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Secondary ID [1]
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2018-004496-12
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Secondary ID [2]
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1042-PCDH19-3002
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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:
Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
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Comparator / control treatment
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Control group
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Outcomes
Eligibility
Key inclusion criteria
* Molecular confirmation of a pathogenic or likely pathogenic PCDH19 variant
* Failure to control seizures despite 2 or more anti-seizure medications
* 12 seizures over a 12-week period of primary seizure types prior to screening
* On a stable regimen of concomitant AEDs, Ketogenic diets, and modified Atkins diet should be unchanged for 3 months prior to screening)
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Minimum age
1
Year
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Maximum age
17
Years
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Previous exposure to ganaxolone
* > 8 consecutive weeks of seizure freedom during the 12 weeks prior to screening
* Concurrent use of strong inducers or inhibitors of CYP3A4/5/7 is not permitted
* Use of tetrahydrocannabinol (THC) or non-approved cannabidiol (CBD) is prohibited during the double-blind phase
* Exposure to any other investigational drug within 30 days or fewer than 5 half-lives prior to screening
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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)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
17/05/2019
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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
20/06/2022
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Sample size
Target
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Accrual to date
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Final
29
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Marinus Pharmaceuticals
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
A clinical study to evaluate the efficacy, safety, and tolerability of adjunctive ganaxolone therapy compared to placebo for the treatment of seizures in female children and young adults with genetically confirmed PCDH19 gene mutation.
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Trial website
https://clinicaltrials.gov/study/NCT03865732
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Trial related presentations / publications
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Public notes
This record is viewable in the ANZCTR as it had previously listed Australia and/or New Zealand as a recruitment site, however these sites have since been removed
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Contacts
Principal investigator
Name
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Maciej Gasior, M.D., Ph.D
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Address
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Marinus Pharmaceuticals, Inc.
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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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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 scientific queries
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
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT03865732
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