0
0.5
1
1.5
2+
Case
11%
Improvement
Relative Risk
HCQ Grau-Pujol et al. Prophylaxis RCT
Is pre-exposure prophylaxis with HCQ beneficial for COVID-19?
RCT 269 patients in Spain (April - June 2020)
Trial underpowered to detect differences
c19hcq.org
Grau-Pujol et al., Trials, September 2020
Favors HCQ
Favors control