Transcutaneous Auricular Vagal Nerve Stimulation Against Fatigue Syndrome in Patients with Long COVID: Results of the Randomized, Placebo-Controlled Clinical Pilot Trial COVIVA.

Neurol Ther · 2026 · PMC13172187 · PMID 41926033

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did not reach statistical significanceno p-value reported

Although an overall improvement in scores from study onset to study completion was observed, these changes did not reach statistical significance.

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