Ear zaps show promise for fibromyalgia pain and sleep
Symptom relief
Completed
This study tested a non-invasive device that sends mild electrical pulses to the ear to stimulate the vagus nerve, which helps control pain and stress. Thirty adults with fibromyalgia received either real or sham stimulation for 30 minutes daily, five days a week, over four weeks…
Phase: NA • Sponsor: Hatice Betigul Meral • Aim: Symptom relief
Last updated Jun 27, 2026 08:11 UTC