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Gene Therapy Trial Browser
Clinical Trial Report
Gene Therapy Trial Report
Summary
A Clinical Study to Evaluate the Safety and Efficacy of ETX101 in Infants and Children with SCN1A-Positive Dravet Syndrome
NCTID
NCT05419492
(View at clinicaltrials.gov)
Description
ENDEAVOR is a Phase 1/2, 2-part, multicenter study to evaluate the safety and efficacy of ETX101 in participants with SCN1A-positive Dravet syndrome aged ≥6 to \<36 months (Part 1) and aged ≥6 to \<48 months (Part 2). Part 1 follows an open-label, dose-escalation design, and Part 2 is a randomized, double-blind, sham delayed-treatment control, dose-selection study.
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Development Status
Active
Indication
Dravet Syndrome
Disease Ontology Term
DOID:0080422
Compound Name
ETX101
Compound Description
rAAV9-reGABA-eTFSCN1A
Sponsor
Encoded Therapeutics
Funder Type
Industry
Recruitment Status
Recruiting
Enrollment Count
22
Results Posted
Not Available
Therapy Information
Target Gene/Variant
SCN1A
Therapy Type
Gene transfer
Therapy Route
In-vivo
Mechanism of Action
Overexpression of protective allele/gene
Route of Administration
Intracerebroventricular
Drug Product Type
Viral vector
Target Tissue/Cell
GABAergic inhibitory interneurons
Delivery System
Viral transduction
Vector Type
AAV9
Editor Type
none
Dose 1
Undisclosed low dose
Dose 2
Undisclosed high dose
Dose 3
Dose 4
Dose 5
Study Record Dates
Current Stage
Phase1, Phase2
Submit Date
2022-06-10
Completion Date
2031-04
Last Update
2025-01-31
Participation Criteria
Eligible Age
6 Months - 47 Months
Standard Ages
Child
Sexes Eligible for Study
ALL
Locations
No.of Trial Sites
3
Locations
United States
Regulatory Information
Has US IND
True
FDA Designations
Fast Track, Orphan Drug Designation, Rare Pediatric Disease Designation
Recent Updates
Dosing and preliminary safety and efficacy data expected in 2H25
Resources/Links
News and Press Releases
Encoded Therapeutics Reports Clinical Progress of ETX101 Gene Therapy for Dravet Syndrome, Recaps 2024 Corporate Achievements and Provides 2025 Outlook
Preclinical Publications
GABA Selective AAV-Mediated Gene Therapy Provides (Abstract ) Durable Seizure Protection in Multiple Refractory Epilepsy Models - ASGCT 2024
Cell-Selective Adeno-Associated Virus-Mediated SCN1A Gene Regulation Therapy Rescues Mortality and Seizure Phenotypes in a Dravet Syndrome Mouse Model and Is Well Tolerated in Nonhuman Primates
(Abstract) ETX101, a GABAergic Interneuron Selective AAV-mediated Gene Therapy for the Treatment of SCN1A+ Dravet Syndrome: Biodistribution and Safety in Non-human Primates -AES 2020
Related NCTID
Phase 1/2: NCT06283212 (UK only)
Phase 1/2: NCT06112275 (Australia Only)