Ear-Zap device may ease heavy periods, small trial finds
Symptom relief
Completed
This study tested a small device that stimulates nerves in the ear to treat heavy menstrual bleeding. Forty women used the device during two menstrual cycles and tracked their bleeding, pain, and quality of life. The goal was to see if this drug-free approach can reduce symptoms …
Phase: NA • Sponsor: Spark Biomedical, Inc. • Aim: Symptom relief
Last updated May 15, 2026 11:57 UTC