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A phase 3, prospective, open-label, multisite, extension of phase 3 studies to assess the long-term safety and tolerability of soticlestat as adjunctive therapy in subjects with Dravet Syndrome or Lennox-Gastaut Syndrome (ENDYMION 2)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-502802-34-00
Acronym
TAK-935-3003
Enrollment
127
Registered
2024-02-14
Start date
2022-04-05
Completion date
2024-11-29
Last updated
2025-06-03

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

Conditions

Dravet and Lennox-Gastaut Syndromes

Brief summary

01. Incidence of TEAEs., 02. Incidence of abnormal values for clinical laboratory tests and electrocardiogram (ECG) evaluations., 03. Change from baseline in clinical laboratory test values, vital signs, Columbia-Suicide Severity Rating Scale (C-SSRS), and ECG parameters, 04. Change from baseline in height and weight for all age groups., 05. Absolute value for Tanner stage for children 6 to 17 years of age during the study, 06. Absolute values for IGF-1 for children 2 to 17 years of age during the study

Detailed description

01. Percent change from baseline in total seizure frequency per 28 days for each (DS and LGS) cohort., 02. Percent change from baseline in convulsive seizure frequency (DS) per 28 days, 03. Percent change from baseline in MMD seizure frequency (LGS) per 28 days, 04. Effect on the CGI-I and Care GI-I., 05. Effect on CGI-I Seizure Intensity and Duration., 06. Effect on the CGI-I Nonseizure Symptoms completed by clinician with input from the caregivers., 07. Effect on QI-Disability.

Interventions

None listed

Sponsors

Takeda Development Center Americas Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
01. Incidence of TEAEs., 02. Incidence of abnormal values for clinical laboratory tests and electrocardiogram (ECG) evaluations., 03. Change from baseline in clinical laboratory test values, vital signs, Columbia-Suicide Severity Rating Scale (C-SSRS), and ECG parameters, 04. Change from baseline in height and weight for all age groups., 05. Absolute value for Tanner stage for children 6 to 17 years of age during the study, 06. Absolute values for IGF-1 for children 2 to 17 years of age during the study

Secondary

MeasureTime frame
01. Percent change from baseline in total seizure frequency per 28 days for each (DS and LGS) cohort., 02. Percent change from baseline in convulsive seizure frequency (DS) per 28 days, 03. Percent change from baseline in MMD seizure frequency (LGS) per 28 days, 04. Effect on the CGI-I and Care GI-I., 05. Effect on CGI-I Seizure Intensity and Duration., 06. Effect on the CGI-I Nonseizure Symptoms completed by clinician with input from the caregivers., 07. Effect on QI-Disability.

Countries

Belgium, France, Germany, Greece, Hungary, Italy, Latvia, Netherlands, Poland, Spain

Outcome results

None listed

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