Takuro Kanekura ¹, Koichi Kawahara ² , Int J Infect Dis 2020 Oct;99:1-2. 

To our knowledge, GMA has a good safety profile; serious adverse effects are rarely reported. Its modes of action together with the findings of this case report support our notion that GMA is a relevant therapeutic option for patients with COVID-19 and warrants an immediate clinical trial to evaluate its full therapeutic efficacy in a large cohort of COVID-19 patients.

https://pubmed.ncbi.nlm.nih.gov/32721534/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7834290/pdf/main.pdf