World Health Organization site
Skip Navigation Links

Main
Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 3 July 2023
Main ID:  NCT03865732
Date of registration: 05/03/2019
Prospective Registration: Yes
Primary sponsor: Marinus Pharmaceuticals
Public title: Study of Adjunctive Ganaxolone Treatment in Female Children With Protocadherin 19 (PCDH19)-Related Epilepsy (Violet Study)
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.
Date of first enrolment: May 17, 2019
Target sample size: 29
Recruitment status: Completed
URL:  https://clinicaltrials.gov/show/NCT03865732
Study type:  Interventional
Study design:  Allocation: Randomized. Intervention model: Parallel Assignment. Primary purpose: Treatment. Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor).  
Phase:  Phase 2
Countries of recruitment
Australia France Hungary Italy Netherlands Poland United States
Contacts
Name:     Maciej Gasior, M.D., Ph.D
Address: 
Telephone:
Email:
Affiliation:  Marinus Pharmaceuticals, Inc.
Name:     Paula Bokesk, M.D., FAAP
Address: 
Telephone:
Email:
Affiliation:  Marinus Pharmaceuticals, Inc.
Key inclusion & exclusion criteria

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)

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



Age minimum: 1 Year
Age maximum: 17 Years
Gender: Female
Health Condition(s) or Problem(s) studied
PCDH19-Related Epilepsy
Intervention(s)
Drug: Ganaxolone
Drug: Placebo
Primary Outcome(s)
Summary of 28-day Seizure Frequency Through 17 Week Post-Baseline Phase (Median Percent Change) [Time Frame: End of the double-blind 17 week treatment period]
Secondary Outcome(s)
50% Primary Seizure Reduction [Time Frame: End of the double-blind 17 week treatment period]
Summary of 28-day Seizure Frequency for Subjects in the Biomarker-positive Stratum (Median Percent Change) [Time Frame: [Time Frame: End of the double-blind 17 week treatment period]]
Secondary ID(s)
1042-PCDH19-3002
2018-004496-12
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Ethics review
Results
Results available: Yes
Date Posted: 08/09/2022
Date Completed:
URL: https://clinicaltrials.gov/ct2/show/results/NCT03865732
Disclaimer: Trials posted on this search portal are not endorsed by WHO, but are provided as a service to our users. In no event shall the World Health Organization be liable for any damages arising from the use of the information linked to in this section. None of the information obtained through use of the search portal should in any way be used in clinical care without consulting a physician or licensed health professional. WHO is not responsible for the accuracy, completeness and/or use made of the content displayed for any trial record.
Copyright - World Health Organization - Version 3.6 - Version history