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Ethyl lauroyl arginine for COVID-19

Ethyl lauroyl arginine has been reported as potentially beneficial for treatment of COVID-19. We have not reviewed these studies. See all other treatments.
Thacore et al., The effects  of ethyl lauroyl arginine hydrochloride (ELAH) in nasal spray formula on SARS-Cov-2, Research Square, doi:10.21203/rs.3.rs-842564/v1
Abstract SARS-CoV-2 and coronaviruses, enveloped RNA viruses, are major causes of acute human respiratory diseases. The aim of the study was to investigate the broad-spectrum antiviral effects of ethyl lauroyl arginine hydrochloride (ELAH) in in vitro and in vivo assays. Cell-based assays found that the pseudovirus VSV-SARS-CoV-2 was inhibited with an EC50 of 15 micrograms/ml, with complete inhibition achieved at 110 micrograms/ml. The effects were comparable to those observed with anti-SARS-CoV-2 antibody neutralization assays against VSV-SARS-CoV-2. Intranasal administration of the Wuhan strain of SARS-CoV-2 treated in vitro with ELAH inhibited the disease symptoms caused by the virus in a Syrian hamster model compared to that caused by the same dose of virus treated in vitro with medium alone. Subgenomic RNA and total RNA viral load were concomitantly reduced in the treated animals compared with the control group. In cell-based studies, pretreatment of susceptible cells with 1–10 micrograms/ml ELAH inhibited the attachment of the virus to the cells, as measured by cytopathic and high-resolution scanning electron microscopy (SEM) effects, suggesting that the primary mode of ELAH action was due to preventing the attachment of the virus to the cells. Collectively, the data suggest that ELAH could be a promising agent for the prevention of SARS infection through nasopharyngeal surfaces.
Please send us corrections, updates, or comments. c19early involves the extraction of 100,000+ datapoints from thousands of papers. Community updates help ensure high accuracy. Treatments and other interventions are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. FLCCC and WCH provide treatment protocols.
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