Focal-Onset Seizures

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Review clinical trials related to Focal-Onset Seizures. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

A Randomized Study of XEN1101 Versus Placebo in Focal-Onset Seizures (X-TOLE3)

The X-TOLE3 Phase 3 clinical trial is a randomized, double-blind, placebo-controlled study that will evaluate the clinical efficacy, safety and tolerability of XEN1101 administered as adjunctive therapy in focal-onset seizures.

Participants needed: 360
Trial details
Phase: Phase 3Age: 18+Biological sex: AllType: InterventionalSponsor: Xenon Pharmaceuticals Inc.Updated: Oct 8, 2026Locations: 98
Eligibility criteria

Be properly informed of the nature and risks of the study and give informed cons... [+3]

Previously documented electroencephalogram which shows any pattern not consisten... [+5]

Status: Recruiting

RENAISSANCE 2: SPN-817 Phase 2, Double-Blind, Placebo-Controlled Study in Adults With Focal Onset Seizures

This is a Phase 2 double-blind, randomized, placebo-controlled, multicenter, parallel-group study to evaluate the efficacy, safety, and tolerability of SPN-817 in adults with focal onset seizures.

Participants needed: 216
Trial details
Phase: Phase 2Age: 18-70Biological sex: AllType: InterventionalSponsor: Supernus Pharmaceuticals, Inc.Updated: Oct 1, 2026Locations: 63
Eligibility criteria

Diagnosis of treatment-resistant focal epilepsy as adjudicated by the Epilepsy S... [+5]

Has taken huperzine A within the past 6 months; [+10]

Status: Recruiting

Prospective Study of Eslicarbazepine in Adults With Focal-Onset Seizures

This prospective multicenter observational study will evaluate the effectiveness, safety, tolerability, and impact on quality of life of eslicarbazepine in adults with focal-onset seizures in routine clinical practice. Participants will include newly diagnosed patients and patients previously treated with carbamazepine or oxcarbazepine who have inadequate seizure control or intolerable adverse effects. Treatment with eslicarbazepine will be initiated or changed at the discretion of the treating physician in accordance with routine clinical practice. Participants will be followed for 3 months.

Participants needed: 1,500
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: King Edward Medical UniversityUpdated: Sep 9, 2026Locations: 1Duration: 3 Months
Eligibility criteria

Adult patients (aged at least 18 years) with diagnosed partial-onset seizures. [+2]

Any hypersensitivity to Eslicarbazepine. [+2]

Status: Recruiting

SPN-817 Open-Label Extension Study in Adults With Focal Onset Seizures

This is a Phase 2b open-label extension study to evaluate the long-term safety and efficacy of SPN-817.

Participants needed: 100
Trial details
Phase: Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: Supernus Pharmaceuticals, Inc.Updated: Oct 10, 2025Locations: 1
Eligibility criteria

Completed antecedent SPN-817 double-blind study [+1]

Has current nonepileptic events that could be confused by the participant and/or... [+1]