Efficacy of oral amantadine among patients hospitalised with COVID-19: A randomised, double-blind, placebo-controlled, multicentre study
https://www.sciencedirect.com/science/article/pii/S0954611123000860
Our study had limitations. We planned to enrol a total of 500 patients, but terminated the trial early due to a lack of efficacy after enrolling 186 patients. Another limitation is that there was a greater proportion of patients aged 65 years or older in the amantadine group, which could be a confounder and
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