NCT04342650, 2020 NCT04342650
chloroquine (n=-9) vs. placebo (n=-9)
randomized controlled trial
risk of bias NA
chloroquine
450 mg x2 day 1, then 450 mg/d for 4 days
placebo
COVID-19 mild to moderate
double-blind
1 center, Brazil
found in Axfors et al meta-analysis