Could a neck injection ease long COVID fatigue and brain fog?
Symptom relief
Recruiting now
This study tests whether a single injection near a nerve cluster in the neck (stellate ganglion block) can reduce long COVID symptoms like fatigue, brain fog, and trouble breathing. About 40 adults with persistent symptoms will receive either the active injection or a placebo. Re…
Phase: NA • Sponsor: Centre intégré universitaire de santé et de services sociaux de la Mauricie-et-du-Centre-du-Québec • Aim: Symptom relief
Last updated Jun 27, 2026 09:03 UTC