Clinical Trial

Different Frequency Applications of Transcutaneous Auricular Vagus Nerve Stimulation in Healthy Individuals

Study acronym: taVNS-FREQ
Not Yet Recruiting
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Record status
This record was last updated April 16, 2026 (before its estimated May 1, 2026 completion). Its status may not reflect the trial's current state.
Summary
This randomized, participant-blinded, sham-controlled crossover study aims to investigate the acute effects of different frequency applications of transcutaneous auricular vagus nerve stimulation (taVNS) on autonomic physiological responses in healthy adults. Participants will receive sham (0 Hz), 10 Hz, 25 Hz, 50 Hz, and 100 Hz taVNS in separate sessions with washout periods between visits. Heart rate variability, blood pressure, pulse rate, respiratory rate, and subjective discomfort will be assessed before and after each intervention session.
Protocol Amendment History 1 change
critical Primary endpoint(s) modified 2026-04-17
Trial Details
NCT Number NCT07526402
Lead Sponsor Sinop University
Conditions Healthy Volunteers
Enrollment 36 participants
Start Date 2026-05-01
Primary Completion 2026-05-01 (estimated)
Study Completion 2026-09-01 (estimated)
Updated on ClinicalTrials.gov 2026-04-16