Hydroxychloroquine as Prophylaxis for COVID-19 in Healthcare Workers (HCQPreP)

Chauffe et al., NCT04363450, HCQPreP, NCT04363450, Jun 2021

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.

Estimated 1,700 participant HCQ prophylaxis RCT with results not reported over 5 years after estimated 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.
Chauffe et al., 1 Jun 2021, Double Blind Randomized Controlled Trial, placebo-controlled, trial NCT04363450 (history) (HCQPreP). Contact: achauf@lsuhsc.edu, rlee10@lsuhsc.edu.