Cytokines (IL1β, IL6, TNFα) and serum cortisol levels may not constitute reliable biomarkers to identify individuals with post-acute sequelae of COVID-19.
Michael FleischerFabian SzepanowskiAnne K MausbergLivia AsanEllen UslarDenise ZwanzigerLothar VolbrachtMark StettnerChristoph KleinschnitzPublished in: Therapeutic advances in neurological disorders (2024)
This may indicate a non-organic/psychosomatic genesis of PASC; further studies are needed to elucidate the underlying causes of PACS, and non-organic causes should not be overlooked.