angiotensin receptor blockers (ARBs) (n=58) vs. placebo (n=59)
randomized controlled trial
Losartan
Losartan 25 mg orally twice daily unless estimated glomerular filtration rate, eGFR, was reduced, when dosing was reduced to once daily.
Placebo
COVID 19 outpatients
presumptive positive laboratory test for SARS-coV-2 or upper respiratory infection with recent exposure to laboratory-proven SARS-coV-2-infected personnegative influenza and respiratory virus panel