TaVNS for Acute Intracerebral Hemorrhage
Efficacy and Safety of Transcutaneous Auricular Vagus Nerve Stimulation for Acute Intracerebral Hemorrhage
Beijing Tiantan Hospital
186 participants
Sep 15, 2025
INTERVENTIONAL
Conditions
Summary
This study aims to evaluate the efficacy and safety of transcutaneous auricular vagus nerve stimulation (taVNS) in patients with acute intracerebral hemorrhage (ICH). The taVNS intervention will be delivered using the BS-TVNS800-1 transcutaneous electrical stimulation therapy device (KERFUN, Shanxi, China). A total of 186 patients will be randomly assigned in a 1:1 ratio to either the taVNS group or the sham-taVNS group. The primary outcome is the relative volume of perihematoma edema assessed on day 10-14 after randomization. Adverse events associated with taVNS therapy will be systematically evaluated to assess its safety profile.
Eligibility
Plain Language Summary
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Interventions
Place the stimulation device on the left auricle and set the stimulation parameters according to the following conditions: a. Waveform: biphase, square wave; b. Wave width: 200 μs; c. Frequency: Alternating between low frequency (4 Hz for 4 s), high frequency (40 Hz for 8 s), and a 4 s pause; d. Intensity: The maximum intensity that induces the strongest sensation the individual can tolerate without causing pain, usually 1.5-3.5 mA; e. Treatment duration: Each treatment lasted 30 minutes, twice daily (8:00, 16:00) for 10 days.
The sham taVNS group received the same parameters with a current intensity of 0.06 mA.
Locations(1)
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NCT06918964