Could a 'Sinus poop Transplant' cure chronic sinusitis? new trial says maybe.

NCT ID NCT05454072

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study tests a new treatment for chronic sinusitis, a long-lasting sinus infection that doesn't get better with standard care. Researchers will take healthy bacteria from a donor's sinuses and transfer them into the sinuses of 80 patients, after a special sinus wash. The goal is to see if this can restore a healthy bacterial balance and improve symptoms like pain, congestion, and loss of smell.

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Conditions

The condition(s) this trial relates to.

Bronchiolitis Obliterans Syndrome chronic rhinosinusitis paranasal sinus disorder sinusitis

As listed by the trial registrant

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

Contacts and locations

Locations

  • St. Paul's Hospital

    Vancouver, British Columbia, V6Z 1Y6, Canada