NCT05066217
An Efficacy and Safety Study of Clemizole HCl in Patients With Lennox-Gastaut Syndrome
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Record History
All 14 versions: 13 with changes below, 1 re-verified with no change. See every version on ClinicalTrials.gov ↗
- Minor Trial sites expanded: 61 → 71 locations
- Minor Trial sites expanded: 58 → 61 locations
- Minor Trial sites expanded: 55 → 58 locations
- Eligibility criteria expanded, about 14 words
- Secondary endpoints: details revised at 1 of 10 entries
- Minor Trial sites expanded: 26 → 55 locationsv11
- Minor Trial sites expanded: 20 → 26 locationsv10
Show 7 earlier versionsHide 7 earlier versions
- Minor Study sites: 4 to 20v9
- Minor Site details revised at 1 of 4 sitesv8
- Minor Study sites: 2 to 4v7
- Minor Start date changed from estimate of Apr 8, 2025 to Apr 9, 2025v6
Notable Phase: Phase 2 to Phase 3v5 Show 14 more changesShow less
- Trial status: Not Yet Recruiting to Recruiting
- Enrollment target: 24 to 260
- Primary completion date: Feb 1, 2025 to Nov 1, 2026
- Start date: May 1, 2024 to Apr 8, 2025
- Primary endpoint revised
- Study sites: 0 to 2
- Study completion date: Feb 1, 2025 to Nov 1, 2029
- Interventions: Clemizole HCl (Drug), Placebo to match EPX-100 (Drug) to Clemizole HCl (Drug), Placebo (Drug)
- Eligibility criteria shortened, about 534 words
- Secondary endpoints expanded, about 76 words
- Study description shortened, about 57 words
- Study arms: 2 to 3
- Collaborators expanded, about 4 words
- Study title expanded, about 1 word
- Notable Primary and study completion dates: Jul 1, 2023 to Feb 1, 2025
- Start date: Oct 1, 2022 to May 1, 2024
- Notable Enrollment target: 36 to 24
- Start date: Feb 1, 2022 to Oct 1, 2022
- Primary endpoint revised
- Study title revised
- Study First Submitted
- Notable: the plan changed
- Minor: routine updates
Endpoints
Primary
Percent Change in CMMS-28
Timeframe: From Baseline Period up to 16 weeks
Secondary (9)
Proportion of Participants with ≥50% Reduction in CMMS-28
Percent Change in CMMS-28 Seizure-free Days
Clinical Global Impression of Change (CGI-C) Score
Caregiver Global Impression of Change (CaGI-C) Score
Caregiver Global Impression of Change in Seizure Intensity/Duration (CaGI-CSID) Score
Show 4 moreShow less
Change in Quality of Life Inventory (QI)-Disability Score
Percent Change per 28 Days in the Number of Seizure Free Days
Percent Change in CMMS-28
Incidence of Treatment-Emergent Adverse Events (TEAEs)
Arms and interventions
PlaceboPlacebo comparator
Participants will receive their first dose of study drug following randomization.
Double-blind clemizole HClExperimental
Participants will receive their first dose of study drug following randomization.
Open-label clemizole HClExperimental
Eligible participants who complete the DB Period will have the option to continue in the OLE Period, during which they will receive clemizole HCl for up to 3 years.
Drugs: Clemizole HCl, Placebo
Sites
71 sites in 10 countries
United States 22, China 18, Italy 7, Spain 6, India 5, Serbia 4, Poland 3, Romania 3, Turkey (Türkiye) 2, Hungary 1