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Iota-carrageenan as an antiviral treatment for the common cold

Eccles, Ronald 2020. Iota-carrageenan as an antiviral treatment for the common cold. The Open Virology Journal 14 (9) , pp. 9-15. 10.2174/1874357902014010009

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Abstract

Introduction: The common cold syndrome of acute upper respiratory tract viral infection is the most common disease among mankind and is an extremely common illness in children. There is a great need for a safe and effective antiviral treatment with minimal side effects. The challenge in developing a treatment is the numerous and varied respiratory viruses that cause this common illness and the need for a treatment with good tolerability and safety. Explanation: All respiratory viruses must reach the cell surface by passing through respiratory fluid and mucus, and this common feature may allow for the development of antivirals that capture viruses during this transit. This article discusses how large polyanionic molecules such as iota-carrageenan may trap positively charged respiratory viruses. Iota-carrageenan is a large polysaccharide molecule which is neither absorbed from the respiratory tract nor metabolised. It, therefore, does not have any pharmacological properties. Iota-carrageenan nasal spray has been shown to reduce the titres of respiratory viruses and to reduce the severity of symptoms in placebo-controlled clinical trials, including children and adults. The results of four clinical trials are presented. Conclusion: Iota-carrageenan is a good candidate as a safe and effective non-specific antiviral treatment for common cold, and more research is justified on polyanionic molecules like carrageenans as antivirals.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Biosciences
Subjects: R Medicine > RM Therapeutics. Pharmacology
ISSN: 1874-3579
Date of First Compliant Deposit: 8 September 2020
Date of Acceptance: 4 April 2020
Last Modified: 08 Sep 2020 15:30
URI: http://orca-mwe.cf.ac.uk/id/eprint/134692

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