ArticleFrontiers in medicine2025
Effectiveness of Japanese traditional medicine (Kamikihito and Saikokeishito) for treating long COVID: a prospective observational study.
Article in Frontiers in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Long COVID symptoms, especially brain fog, significantly impair patient quality of life (QOL); however, effective treatments remain elusive. Japanese traditional medicine (JTM, usually called Kampo medicine) is often used adjunctively to treat patients with diverse manifestations of long COVID. Objective: To evaluate the effectiveness of JTM in treating long COVID using a comprehensive QOL assessment. Methods: This single-center, prospective observational study evaluated QOL changes in patients with symptoms persisting beyond 28 days from the onset of COVID-19 (long COVID) who visited our general medicine outpatient department between October 2021 and August 2024. The treatment plan was determined by the attending physician based on the patient's condition. The health-related QOL (HR-QOL) was comprehensively assessed using EuroQol-5 demensions-5levels (EQ-5D-5L) scores (ranging from -0.025 to 1.000, with higher values indicating better HR-QOL) at baseline and 3 months after the first visit. The formulations and factors associated with QOL changes were analyzed using multivariate logistic regression analyses. Results: We analyzed 112 patients. The most common symptoms were fatigue (83.9%). The median (interquartile range) HR-QOL of the entire cohort significantly increased from 0.711 (0.561-0.711) at baseline to 0.833 (0.671-0.890) at 3 months ( Conclusion: Long COVID treatment involving JTM improved the patients' QOL at 3 months. The combination of kamikihito with saikokeishito may be a potential treatment option for long COVID. However, a randomized controlled trial is required to confirm its efficacy.
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