NCT04740476

An Open-Label Extension Study of STK-001 for Patients With Dravet Syndrome

An Open-Label Extension Study for Patients With Dravet Syndrome Who Previously Participated in Studies of STK-001

• Status: Active Not Recruiting
• Phase: Phase 2
• Study type: Interventional
• Enrollment: 60 (estimated)
• Sponsor: Stoke Therapeutics, Inc · Industry
• Sex: All
• Age: 30 Months
• Healthy volunteers: Not accepted

Summary

Stoke Therapeutics is evaluating the long-term safety \& tolerability of repeated doses of zorevunersen (STK-001) in patients with Dravet syndrome who previously participated in studies of zorevunersen. Change in seizure frequency and overall clinical status, and quality of life will be measured as secondary endpoints in this open-label study.

Detailed description

This study is a multi-center, open-label, multiple-dose, safety extension study for patients who have completed another study of zorevunersen and meet study eligibility criteria. zorevunersen is an investigational new medicine for the treatment of Dravet syndrome. Zorevunersen is an antisense oligonucleotide (ASO) that is intended to increase the level of productive SCN1A messenger RNA (mRNA) and consequently increase the expression of the sodium channel Nav1.1 protein. This RNA-based approach is not gene therapy, but rather RNA modulation, as it does not manipulate nor insert genetic deoxyribonucleic acid (DNA). Zorevunersen is designed to upregulate Nav1.1 protein expression from the nonmutant (wild-type) copy of the SCN1A gene to restore physiological Nav1.1 levels. Nav1.1 levels are reduced in people with Dravet syndrome. Stoke has generated preclinical data demonstrating proof-of-mechanism for zorevunersen.

Conditions

• Dravet Syndrome

Interventions

Type	Name	Description
DRUG	zorevunersen (STK-001)	zorevunersen drug product is an antisense oligonucleotide administered as an intrathecal injection.

Timeline

• Start date: 2021-01-20
• Primary completion: 2029-03-31
• Completion: 2029-03-31
• First posted: 2021-02-05
• Last updated: 2026-02-04

Locations

17 sites across 1 country: United States

Regulatory

• FDA-regulated drug study