Can a 40 hz burst of sound silence tinnitus?

NCT ID NCT06646302

Completed Symptom relief Sponsor: Eye & ENT Hospital of Fudan University Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tested whether a special 40 Hz burst of sound can provide longer-lasting relief from tinnitus (ringing in the ears) compared to standard continuous sound therapy. Researchers enrolled 265 adults with chronic tinnitus and used EEG to measure brain activity changes. The goal is to find a more effective way to temporarily suppress tinnitus and understand how the brain responds.

What this could mean

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

Active substance: Personalized 40 Hz broadband or pure tone acoustic stimulation
What this could lead to: If successful, this could lead to a more effective, personalized sound therapy for temporary tinnitus relief.
What could go wrong: This is a small, early-phase study with no control group, so results may not generalize. The relief is temporary and may not work for 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.

tinnitus

As listed by the trial registrant

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

TINNITUS

Contacts and locations

Locations

Eye & ENT Hospital of Fudan University

Shanghai, Shanghai Municipality, 200031, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.