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Inhalable Chitosan-Based Hydrogel as a Mucosal Adjuvant for Hydroxychloroquine in the Treatment for SARS-CoV-2 Infection in a Hamster Model

Shu-Han Lin et al., Journal of Microbiology, Immunology and Infection, doi:10.1016/j.jmii.2023.08.001
Aug 2023  
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HCQ for COVID-19
1st treatment shown to reduce risk in March 2020, now with p < 0.00000000001 from 419 studies, recognized in 46 countries.
No treatment is 100% effective. Protocols combine treatments.
5,100+ studies for 112 treatments. c19hcq.org
Hamster study showing intranasal administration of HCQ + chitosan oligosaccharide (COS) resulted in higher HCQ concentrations in the lungs compared to HCQ alone, suggesting COS enhanced lung absorption of HCQ. COS + HCQ led to earlier and greater immune responses, including higher levels of cytokines like IL-6, IL-10 and antibodies IgA and IgG. This was associated with faster viral clearance and less lung injury. High inhaled doses of HCQ were not associated with cardiac or liver toxicity. In summary, inhaled COS appeared to be a beneficial adjuvant to inhaled HCQ in treating COVID-19 in hamsters by increasing lung delivery, amplifying immune responses, accelerating viral eradication, and attenuating lung damage without added toxicities.
38 preclinical studies support the efficacy of HCQ for COVID-19:
Shu-Han Lin et al., 15 Aug 2023, Taiwan, peer-reviewed, 9 authors. Contact: judyya1022@gmail.com, 111022@w.tmu.edu.tw.
This PaperHCQAll
Inhalable Chitosan-Based Hydrogel as a Mucosal Adjuvant for Hydroxychloroquine in the Treatment for SARS-CoV-2 Infection in a Hamster Model
Donna Shu-Han Lin, Shian Chiuan Tzeng, Tai-Lung Cha, Chin-Mao Hung, Wen-Chin Lin, Chuen-Mi Yang, Hsuan-Ying Lu, Jia-Yu Chang, PhD Shu-Wei No Huang
Journal of Microbiology, Immunology and Infection, doi:10.1016/j.jmii.2023.08.001
This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.
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