RecruitingPhase 2NCT06798896

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

RENAISSANCE 2: a 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


Sponsor

Supernus Pharmaceuticals, Inc.

Enrollment

258 participants

Start Date

Dec 30, 2024

Study Type

INTERVENTIONAL

Conditions

Summary

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.


Eligibility

Min Age: 18 YearsMax Age: 70 Years

Inclusion Criteria6

  • Diagnosis of treatment-resistant focal epilepsy as adjudicated by the Epilepsy Study Consortium, Inc (ESCI);
  • Failed to achieve sustained seizure freedom after ≥2 tolerated, appropriately chosen, and adequately dosed ASM drug schedules;
  • Able to keep accurate Seizure eDiaries (with the aid of a caregiver as needed);
  • Has a body mass index (BMI) between 18.0 and 40.0 kg/m2;
  • Treatment with a stable dose of 1 to 4 current ASMs for ≥28 days prior to screening. If following a diet plan along with the ASM, the participant should have been on a stable diet plan for at least 1 month prior to Visit 1. The diet plan should be maintained throughout the duration of the study;
  • At least 4 clinically observable focal onset seizures accepted by the ESCI prior to the first dose of SM (during the days of baseline Seizure eDiary data collection) and no more than a consecutive 21-day period that was seizure free. To be eligible for the study, participants must comply with the eDiary on at least 90% of the days of baseline data collection;

Exclusion Criteria11

  • Has taken huperzine A within the past 6 months;
  • Prior diagnosis of combined focal and generalized epilepsy syndrome as evidenced by severe developmental delay and multiple seizure types and confirmed by electroencephalography (EEG) (eg, Lennox-Gastaut syndrome). Participants should also be excluded in case of nondiagnostic information;
  • History of or current nonepileptic events that could be confused by the participant and/or study staff as epileptic seizures;
  • Only has seizures that are difficult to count; for example, seizures that are not clinically observable;
  • History of uncountable seizures, such as seizures that happen in a cluster that are too rapid to be counted individually;
  • History of status epilepticus within 6 months prior to screening;
  • Vagus nerve stimulation, deep brain stimulation, responsive neurostimulator system, or other neurostimulation for epilepsy device implanted or activated within 1 year prior to screening; or epilepsy surgery within 1 year prior to screening. Stimulation parameters for devices must have been stable for at least 3 months prior to Screening. Battery change for any epilepsy devices will be allowed; however, stimulation parameters must remain stable during the duration of the study;
  • Any suicidal behavior or suicidal ideation related to item 4 (active suicidal ideation with some intent to act, without specific plan) or item 5 (active suicidal ideation with specific plan and intent) based on the C-SSRS assessment in the 1 year before screening; a suicide attempt in the last 2 years before screening; or more than 1 lifetime suicide attempt;
  • Chronic concomitant therapy with non-ASMs that are cholinergic or anticholinergic.
  • History of >2 allergic reactions to an ASM or 1 serious hypersensitivity reaction to an ASM;
  • Any other reason which, in the opinion of the Investigator, would prevent the participant from taking part in the study.

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Interventions

DRUGSPN-817

SPN-817 starting at 0.25 mg bid up to 4.00 mg bid

DRUGPlacebo

Placebo, bid


Locations(1)

Medsol Clinical Research Center

Port Charlotte, Florida, United States

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NCT06798896


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