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Earpiece zaps nerves to lighten heavy periods

NCT ID NCT07326722

Recruiting now Symptom relief Sponsor: Spark Biomedical, Inc. Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a wearable earpiece that gently stimulates nerves around the ear to see if it can reduce heavy menstrual bleeding. Eighty women and teens aged 14-45 will use the device for two hours each day during their periods for three cycles. Half will get real stimulation, half a sham, and all will track blood loss and symptoms remotely.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Sparrow Link device (transcutaneous auricular neurostimulation)
What this could lead to
If it works, this could offer a drug-free, non-invasive option to reduce heavy menstrual bleeding and improve quality of life.
What could go wrong
This is an early-stage, sham-controlled trial with only 80 participants. The device may not reduce bleeding more than a placebo, and results may not apply to everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Hemorrhage Menorrhagia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HEAVY MENSTRUAL BLEEDING

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Lindus Health - DECENTRALIZED STUDY

    RECRUITING

    Boston, Massachusetts, 02111, United States

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