Plain language summary
COVID-19 is a disease that is associated with extremely high inflammation within the body, because of the body’s immune system trying to fight the infection. Conventional treatments focus on decreasing the immune response and controlling the disease; however, no treatment strategy has been shown to be effective. Traditional Persian Medicine (TPM) focuses on a holistic approach to the prevention and treatment of disease. Cinnamon has been thought as a TPM, which may be effective in the treatment of COVID-19 and this systematic review aimed to analyse the data behind these claims. Cinnamon was found to have anti-viral, anti-inflammatory, and antioxidant effects. Anti-viral effects were shown in cells against several viruses including the virus responsible for COVID-19. Cinnamon was shown to have extensive anti-inflammatory and antioxidant effects in various cells, however no specific research was found on COVID-19. It was concluded that as cinnamon has the potential to target different aspects of COVID-19 it could be used as an effective therapy. This study could be used by healthcare professionals to understand that cinnamon may have therapeutic effects in COVID-19, however clinical trials need to be performed before specific recommendations are made.
Abstract
The COVID-19 global epidemic caused by coronavirus has affected the health and other aspects of life for more than one year. Despite the current pharmacotherapies, there is still no specific treatment, and studies are in progress to find a proper therapy with high efficacy and low side effects. In this way, Traditional Persian Medicine (TPM), due to its holistic view, can provide recommendations for the prevention and treatment of new diseases such as COVID-19. The muco-obstruction of the airway, which occurs in SARS-CoV-2, has similar features in TPM textbooks that can lead us to new treatment approaches. Based on TPM and pharmacological studies, Cinnamomum verum (Darchini)'s potential effective functions can contribute to SARS-CoV-2 infection treatment and has been known to be effective in corona disease in Public beliefs. From the viewpoint of TPM theories, Cinnamon can be effective in SARS-CoV-2 improvement and treatment through its anti-obstructive, diuretic, tonic and antidote effects. In addition, there is pharmacological evidence on anti-viral, anti-inflammatory, antioxidant, organ-o-protective and anti-depression effects of Cinnamon that are in line with the therapeutic functions mentioned in TPM.Overall, Cinnamon and its ingredients can be recommended for SARS-CoV2 management due to multi-targeting therapies. This review provides basic information for future studies on this drug's effectiveness in preventing and treating COVID-19 and similar diseases.
Methodological quality
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