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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06093490
Other study ID # 1R43NS129363
Secondary ID 1R43NS129363
Status Recruiting
Phase
First received
Last updated
Start date December 1, 2023
Est. completion date December 1, 2024

Study information

Verified date February 2024
Source Eysz, Inc.
Contact Rachel Kuperman, MD
Phone ?(415) 857-1794?
Email rkuperman@eyszlab.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This study is being done to find out if a smartphone app can identify absence seizures. Children who have a history of absence seizures, as well as children without any seizure history, will be testing out the app. If participating the child will be guided through hyperventilation, an activity that asks the child to take quick, deep breaths. The app will record video of the child's face and sounds they make during hyperventilation. Hyperventilation is a safe and established technique frequently used during EEG (electroencephalogram) to encourage seizure occurrence. The App will be used during a regularly scheduled EEG.


Description:

This observational study focuses on validating the use of the Eysz mHealth App - a smartphone-based tool for guided Hyperventilation (HV) and data collection - to aid clinicians in identifying absence seizures in people at risk for childhood absence epilepsy (CAE). The Eysz mHealth app will guide users through HV via interactive graphics while capturing audio and video data using smartphone sensors (e.g., camera, microphone) from which eye movements, facial biometrics/ expressions, number and length of exhales will be extracted. The goal of this observational study is to determine an epileptologist's performance in identifying HV-induced absence seizures using video data collected from a smartphone when compared to the gold standard interpretation of the EEG. The exploratory goal is to develop machine learning based algorithms to identify HV-induced seizures.


Recruitment information / eligibility

Status Recruiting
Enrollment 75
Est. completion date December 1, 2024
Est. primary completion date December 1, 2024
Accepts healthy volunteers
Gender All
Age group 4 Years to 12 Years
Eligibility Inclusion Criteria: - typical absence seizure during use of the Eysz Hyperventilation Recorder or Control Exclusion Criteria: - Other seizure type besides typical absence seizure during use of the Eysz Hyperventilation Recorder - subclinical seizure activity - inability to participate with study procedures - contraindications to hyperventilation including history of subarachnoid hemorrhage, sickle cell anemia, recent cerebrovascular accident or myocardial infarction, significant cardiopulmonary disease, active asthma, known aneurysm, known moyamoya disease, or pregnancy. - People who have a history of generalized tonic clonic convulsions (GTCs) provoked by hyperventilation

Study Design


Intervention

Device:
Eysz Hyperventilation Recorder
App used to guide and record hyperventilation

Locations

Country Name City State
United States Cincinnati Children's Hospital Cincinnati Ohio

Sponsors (2)

Lead Sponsor Collaborator
Eysz, Inc. National Institute of Neurological Disorders and Stroke (NINDS)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Accuracy of Eysz Hyperventilation (HV) Recorder Compared to video EEG (VEEG) Voluntary HV triggers seizures in >90% of people with absence epilepsy and is a standard clinical procedure to assist in diagnosing and monitoring absence epilepsy. Clinical studies have shown HV to be a safe and effective procedure. This study focuses demonstrating the accuracy of the physician read of a smartphone video generated by the Eysz Hyperventilation (HV) Recorder- a smartphone-based tool for guided HV and video data collection. Three epileptologists will review the VEEG during use of the Eysz HV Recorder to identify typical absence seizures. Three independent epileptologists will review the concurrently generated video from the Eysz HV Recorder to identify typical absence seizures.
Our primary endpoint is that the lower bound of the 95% confidence interval of the accuracy of the majority classification of the smartphone video is = 75% in comparison to the majority classification of the VEEG by 3 independent expert reviewers.
epileptologist review of 5 minutes of use of the Eysz Hyperventilation Recorder
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