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Unknown

Soticlestat for Rare Epilepsies (Endymion 1 Trial)

Phase 2
Waitlist Available
Research Sponsored by Takeda
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Timeline
Screening 3 weeks
Treatment Varies
Follow Up up to 6 years
Awards & highlights
No Placebo-Only Group

Summary

This trial is testing a new drug to see if it is safe and effective when used with other anti-seizure drugs. Participants will take the drug twice a day and visit the clinic every few months. The study will continue as long as the participant benefits from the drug.

Who is the study for?
This trial is for adults and children with rare epilepsies who have previously participated in a soticlestat study. They must not have had serious side effects related to the drug, should be potentially benefiting from it, and cannot be pregnant or breastfeeding. Those with significant diseases or recent suicidal attempts are excluded.
What is being tested?
The trial is testing the long-term safety of Soticlestat when taken alongside other anti-seizure medications. Participants will take Soticlestat twice daily and visit the clinic every 2-6 months for as long as they benefit from the treatment.
What are the potential side effects?
While specific side effects are not listed here, participants will be monitored for any adverse reactions to ensure that Soticlestat remains safe and tolerable over an extended period when combined with their current seizure treatments.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~up to 6 years
This trial's timeline: 3 weeks for screening, Varies for treatment, and up to 6 years for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Change from Baseline in Behavioral and Adaptive Functional Measures Using the Vineland Adaptive Behavior Scale (VABS)
Percentage of Participants Who Experience At least one Adverse Event (AE)
Secondary study objectives
Change from Baseline in Clinician's Clinical Global Impression of Severity (CGI-S)

Side effects data

From 2024 Phase 3 trial • 270 Patients • NCT04938427
14%
Somnolence
13%
Change in seizure presentation
8%
Upper respiratory tract infection
7%
Nasopharyngitis
7%
Pyrexia
6%
Decreased appetite
6%
COVID-19
6%
Fatigue
5%
Constipation
5%
Fall
1%
Diarrhoea
1%
Cataract
1%
Urinary tract infection
1%
Status epilepticus
1%
Influenza
1%
Oxygen saturation decreased
1%
Pneumonia
1%
Vomiting
1%
Pyelonephritis
1%
COVID-19 pneumonia
1%
Acute respiratory failure
1%
Rhinovirus infection
100%
80%
60%
40%
20%
0%
Study treatment Arm
Soticlestat
Placebo

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

1Treatment groups
Experimental Treatment
Group I: SoticlestatExperimental Treatment1 Intervention
Treatment: Soticlestat, tablets orally twice daily at optimized dose, titrated in up to 2 weeks of Dose Optimization Period, followed by Maintenance Period, which lasts until development is stopped by the sponsor, or the product is approved for marketing, or at any time at the discretion of the sponsor.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Soticlestat
2022
Completed Phase 3
~640

Find a Location

Who is running the clinical trial?

TakedaLead Sponsor
1,240 Previous Clinical Trials
4,149,315 Total Patients Enrolled
5 Trials studying Epilepsy
260 Patients Enrolled for Epilepsy

Media Library

Soticlestat (Unknown) Clinical Trial Eligibility Overview. Trial Name: NCT03635073 — Phase 2
Epilepsy Research Study Groups: Soticlestat
Epilepsy Clinical Trial 2023: Soticlestat Highlights & Side Effects. Trial Name: NCT03635073 — Phase 2
Soticlestat (Unknown) 2023 Treatment Timeline for Medical Study. Trial Name: NCT03635073 — Phase 2
~27 spots leftby May 2026