at San Francisco, California
study started
estimated completion



This is a sub-study to ZX008-1503. Subjects will be fitted with an Embrace seizure detection watch and seizures detected by the watch will be compared to those entered into an electronic seizure diary.

Official Title

An Exploratory, Pilot Study to Assess the Usability of the Embrace Seizure Detection Watch in Children and Young Adults With Dravet Syndrome: A Sub-study to the ZX008-1503 Open-Label Extension Trial


This sub study will include up to 20 participants who meet the entry criteria for the main Study ZX008-1503 and who are willing to wear the Embrace watch and use the Embrace Alert app for 12 consecutive weeks. Those invited to participate will undergo all procedures included in the main study during their participation in this sub-study,


Dravet Syndrome seizure tonic clonic epilepsy myoclonic encephalopathy Seizures Epilepsies, Myoclonic Spasms, Infantile Syndrome Fenfluramine ZX008 (Fenfluramine Hydrochloride)


You can join if…

  • Subject is willing to wear the Embrace watch on the wrist (alternatively ankle, if needed for younger children). Subjects are asked to wear the watch for as many hours of the day as possible and for the entire night, if possible, for the duration of the sub-study.
  • Subject's parent/caregiver is willing to use the Alert App.
  • Subject/subject's caregiver is willing to ensure that the Embrace watch remains within close proximity of the paired iPod Touch running the Empatica Alert app.

You CAN'T join if...

  • Subject has a known hypersensitivity to any of the Embrace device materials.
  • Subject has a clinically significant condition, or has had clinically relevant symptoms or a clinically significant illness in the 4 weeks prior to Visit 1, other than epilepsy, that would negatively impact study participation, collection of study data, or pose a risk to the subject.


  • University of California San Francisco
    San Francisco California 94143 United States


accepting new patients by invitation only
Start Date
Completion Date
Zogenix International Limited, Inc., a subsidiary of Zogenix, Inc.
Phase 3
Study Type
Last Updated