Treatable traits for long COVID

Abstract Long COVID, or post‐acute COVID‐19 sequelae, is experienced by an estimated one in eight adults following acute COVID‐19. Long COVID is a new and complex chronic health condition that typically includes multiple symptoms that cross organ systems and fluctuate over time; a one‐size‐fits‐all...

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Bibliographic Details
Published in:Respirology (Carlton, Vic.) Vic.), 2023-11, Vol.28 (11), p.1005-1022
Main Authors: Lewthwaite, Hayley, Byrne, Anthony, Brew, Bruce, Gibson, Peter G.
Format: Article
Language:English
Subjects:
Chest
Chronic illnesses
Clinical trials
Complications
COVID-19
Fatigue
Metformin
Pain
Physical training
Precision medicine
Respiratory diseases
Reviews
Sleep
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Summary:Abstract Long COVID, or post‐acute COVID‐19 sequelae, is experienced by an estimated one in eight adults following acute COVID‐19. Long COVID is a new and complex chronic health condition that typically includes multiple symptoms that cross organ systems and fluctuate over time; a one‐size‐fits‐all approach is, therefore, not likely to be appropriate nor relevant for long COVID treatment. ‘Treatable Traits’ is a personalized medicine approach, purpose‐built to address the complexity and heterogeneity of complex chronic conditions. This comprehensive review aimed to understand how a treatable traits approach could be applied to long COVID, by first identifying the most prevalent long COVID treatable traits and then the available evidence for strategies to target these traits. An umbrella review of 22 systematic reviews identified 34 symptoms and complications common with long COVID, grouped into eight long COVID treatable trait clusters: neurological, chest, psychological, pain, fatigue, sleep impairment, functional impairment and other. A systematic review of randomized control trials identified 18 studies that explored different intervention approaches for long COVID prevention ( k  = 4) or management ( k  = 14). While a single study reported metformin as effective for long COVID prevention, the findings need to be replicated and consensus is required around how to define long COVID as a clinical trial endpoint. For long COVID management, current evidence supports exercise training or respiratory muscle training for long COVID treatable traits in the chest and functional limitation clusters. While there are studies exploring interventions targeting other long COVID treatable traits, further high‐quality RCTs are needed, particularly targeting treatable traits in the clusters of fatigue, psychological, pain and sleep impairment.
ISSN:1323-7799
1440-1843
DOI:10.1111/resp.14596