Can a dementia drug silence ringing ears?

NCT ID NCT07153991

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether donepezil, a drug used for dementia, can help people with chronic tinnitus (ringing in the ears). 70 adults with long-term tinnitus received either donepezil or a placebo for 3 months. Researchers measured changes in tinnitus severity using standard questionnaires.

What this could mean

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

Active substance
donepezil
What this could lead to
If it works, this could point toward a medication to reduce the severity of chronic tinnitus symptoms.
What could go wrong
This is a small, early-phase trial with only 70 participants. The drug may not improve tinnitus more than a placebo, and side effects like nausea or dizziness are possible.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Universidade De São Paulo

    São Paulo, São Paulo, 04356080, Brazil

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