Prophylaxis of Exposed COVID-19 Individuals With Mild Symptoms Using Choloroquine Compounds (PRECISE)

Sarwar et al., NCT04351191, PRECISE, NCT04351191, Aug 2020

HCQ for COVID-19

1st treatment shown to reduce risk in March 2020, now with p < 0.0000000001 from 426 studies, used in 59 countries.

No treatment is 100% effective.
Protocols combine treatments.

137 patient HCQ early treatment RCT with results not reported over 6 years after completion.
37 HCQ RCTs have results missing long after expected1-37
The trials report a total of 20,499 patients, with 12 trials having actual enrollment of 3,639, and the remainder estimated.
Sarwar et al., 30 Aug 2020, Double Blind Randomized Controlled Trial, placebo-controlled, trial NCT04351191 (history) (PRECISE). Contact: asarwar@bidmc.harvard.edu.