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A Phase 3, Randomized, Double-Blind, Placebo-Controlled, Multicenter Study to Investigate the Efficacy, Safety, and Tolerability of LP352 in the Treatment of Seizures in Children and Adults with Dravet Syndrome

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-514937-39-00
Acronym
LP352-302
Enrollment
93
Registered
2025-04-30
Start date
2025-05-20
Completion date
Unknown
Last updated
2026-01-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dravet Syndrome

Brief summary

Frequency percent change in countable motor seizures during Maintenance compared to Baseline

Detailed description

Safety laboratory parameters, Physical examination findings, Vital signs, Growth parameters (height and weight), 12-lead Electrocardiogram (ECGs), Columbia-Suicide Severity Rating Scale (C-SSRS) responses, Patient Health Questionnaire-9 (PHQ-9) total score and Question 9 score, 50% responder rate (the percentage of participants with a ≥50% reduction in countable motor seizures) during Maintenance compared to Baseline, Frequency percent change in countable motor seizures during Treatment compared to Baseline

Interventions

Sponsors

Longboard Pharmaceuticals Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Frequency percent change in countable motor seizures during Maintenance compared to Baseline

Secondary

MeasureTime frame
Safety laboratory parameters, Physical examination findings, Vital signs, Growth parameters (height and weight), 12-lead Electrocardiogram (ECGs), Columbia-Suicide Severity Rating Scale (C-SSRS) responses, Patient Health Questionnaire-9 (PHQ-9) total score and Question 9 score, 50% responder rate (the percentage of participants with a ≥50% reduction in countable motor seizures) during Maintenance compared to Baseline, Frequency percent change in countable motor seizures during Treatment compared to Baseline

Countries

Belgium, France, Germany, Italy, Latvia, Netherlands, Portugal, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026