Interventions for Improving Long COVID-19 Symptomatology: A Systematic Review

Nicola Veronese, Bonica, Cotugno, Tulone, Camporeale, Lee Smith, Mike Trott, Bruyere, Mirarchi, Rizzo, Bavaro, Barbagallo, Dominguez, Marotta, Silenzi, Nicastri, Saracino, Di Gennaro*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

22 Citations (Scopus)
183 Downloads (Pure)

Abstract

Introduction: Although the understanding of several aspects of long COVID-19 syndrome is increasing, there is limited literature regarding the treatment of these signs and symptoms. The aim of our systematic review was to understand which therapies have proved effective against the symptoms of long COVID-19. Methods: A systematic search for randomized controlled or clinical trials in several databases was conducted through 15 May 2022. Specific inclusion criteria included: (1) intervention studies, either randomized controlled (RCTs) or clinical trials; (2) diagnosis of long COVID-19, according to the World Health Organization criteria; (3) presence of long COVID-19 for at least 12 weeks after SARS-CoV-2 infection. Results: We initially found 1638 articles to screen. After removing 1602 works based on their title/abstract, we considered 35 full texts, and among them, two intervention studies were finally included. The first RCT focused on the greater improvement of treatment combining olfactory rehabilitation with oral supplementation with Palmitoylethanolamide and Luteolin in patients with olfactory dysfunction after COVID-19. The second study evaluated the positive impact of aromatherapy vs. standard care in adult females affected by fatigue. Conclusion: Our systematic review found only two intervention studies focused on patients affected by long COVID-19. More intervention studies are needed to investigate potentially positive interventions for long COVID-19 symptoms.
Original languageEnglish
Article number1863
JournalViruses
Volume14
Issue number9
Early online date24 Aug 2022
DOIs
Publication statusPublished - Sept 2022

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