Skip to content

A trial to evaluate the safety and efficacy of a transcutaneous vagus nervestimulator

A single center, prospective, randomized, crossover designed, double-blind and exploratory clinical trials to evaluate the safety and effectiveness of the transcutaneous auricular vagus nerve stimulation (taVNS) in patients with drug-resistant epilepsy

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0010815
Enrollment
20
Registered
2025-07-28
Start date
2024-09-07
Completion date
Unknown
Last updated
2025-08-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Medical Device : The subjects wore either the test device (Active stimulation) or the control device (Sham stimulation) through random assignment, and after 8 weeks of stimulation, a 4-week latent per

Sponsors

TODOC
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients diagnosed with focal epilepsy according to the International League Against Epilepsy(ILAE) classification system for epilepsy 2. Men and women aged 19 to 65 years at the time of screening 3. Patients who have used two or more antiepileptic drugs but have experienced four or more complex partial or grand mal seizures within 8 weeks from the time of screening 4. Those who weigh 35 kg or more 5. Those who do not plan to become pregnant during the clinical trial period and, in the case of women of childbearing potential, those who have agreed to an effective contraceptive plan 6. Those who voluntarily agreed to the informed consent form after hearing an explanation of the clinical trial

Exclusion criteria

Exclusion criteria: 1. Patients currently receiving treatment for severe cardiovascular, neurological, psychiatric, infectious diseases, and malignant tumors, excluding epilepsy 2. Patients taking antiepileptic drugs, antidepressants, or other neuroactive drugs that affect dopamine and norepinephrine (e.g., methylphenidate, atomoxetine, etc.) 3. Patients who developed status epilepticus within 4 weeks of the screening time 4. Patients who have received or are receiving other stimulation procedures, such as vagus nerve or deep brain stimulation, in the past 5. Patients with newly developed epilepsy due to stroke, etc. 6. Patients with a history of brain surgery due to cerebral hemorrhage, etc. 7. Patients with psychogenic non-epileptic seizures 8. Patients with seizure clusters or other reasons that make the counting of the number of seizures inaccurate 9. Patients with confirmed pregnancy or breastfeeding 10. Other individuals judged by the investigator to be unsuitable for participation in the clinical trial

Design outcomes

Primary

MeasureTime frame
Reduction rate of seizure frequency compared to baseline

Secondary

MeasureTime frame
Change in seizure frequency compared to baseline;Response scale of the rate of decrease in seizure frequency compared to baseline;Liverpool Seizure Severity Scale;Reduction rate of seizure frequency compared to baseline between the test group and the control group within the two groups;Quality of Life in Epilepsy-31(QOLIE-31) Scale

Countries

Korea, Republic of

Contacts

Public ContactYoung Min Shon

Samsung Medical Center

sonogung@gmail.com+82-2-1599-3114

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026