Status:

RECRUITING

A Clinical Study to Evaluate the Safety and Efficacy of ETX101 in Infants and Children With SCN1A-Positive Dravet Syndrome

Lead Sponsor:

Encoded Therapeutics

Conditions:

Dravet Syndrome

Eligibility:

All Genders

6-47 years

Phase:

PHASE1

PHASE2

Brief Summary

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...

Eligibility Criteria

Inclusion

  • Participant must be aged between ≥6 months and \<36 months in Part 1 and \<48 months in Part 2.
  • Participant must have a predicted loss of function pathogenic or likely pathogenic SCN1A variant.
  • Participant must have experienced their first seizure between the ages of 3 and 15 months.
  • Participant must have a clinical diagnosis of Dravet syndrome or the treating clinician must have a high clinical suspicion of a diagnosis of Dravet syndrome.
  • Participant is receiving at least one prophylactic antiseizure medication.

Exclusion

  • Participant has another genetic mutation or clinical comorbidity which could potentially confound the typical Dravet phenotype.
  • Participant has a known central nervous system structural and/or vascular abnormality (indicated by an MRI or CT scan of the brain).
  • Participant has an abnormality that may interfere with CSF distribution and/or has an existing ventriculoperitoneal shunt.
  • Participant is currently taking or has taken antiseizure medications (ASMs) at a therapeutic dose that are contraindicated in Dravet syndrome, including sodium channel blockers.
  • Participant has experienced seizure freedom for a period of 4 consecutive weeks within the 90-day period prior to informed consent.
  • Participant has previously received gene or cell therapy.
  • Participant is currently enrolled in a clinical trial or receiving an investigational therapy, including under an expanded access and/or compassionate use program.
  • Participant has clinically significant underlying liver disease.

Key Trial Info

Start Date :

May 14 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 1 2031

Estimated Enrollment :

22 Patients enrolled

Trial Details

Trial ID

NCT05419492

Start Date

May 14 2024

End Date

April 1 2031

Last Update

June 12 2025

Active Locations (3)

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Page 1 of 1 (3 locations)

1

UCSF Benioff Children's Hospitals

San Francisco, California, United States, 94158

2

Ann & Robert H. Lurie Children's Hospital of Chicago

Chicago, Illinois, United States, 60611

3

Cook Children's Medical Center

Fort Worth, Texas, United States, 76104