COVID-19-induced parosmia

Clinical trials for COVID-19-induced parosmia explained in plain language.

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Completed 1

Nerve block may fix COVID smell problems, study says

Symptom relief Completed

This study tested whether a stellate ganglion block (an injection near nerves in the neck) can improve distorted sense of smell (parosmia) caused by COVID-19. 48 adults with long-term smell issues after COVID took part. Half received the nerve block, half got a placebo (saline). …

Matched conditions: COVID-19-INDUCED PAROSMIA

Phase 2 • Sponsor: Washington University School of Medicine • Aim: Symptom relief

Last updated Jun 27, 2026 07:56 UTC

COVID-19-induced parosmia

Get alerted when new COVID-19-induced parosmia trials appear

Nerve block may fix COVID smell problems, study says