Post Exposure Prophylaxis in Healthcare Workers Exposed to COVID-19 Patients (HCQ-COVID19)

Al Ansari et al., NCT04437693, HCQ-COVID19, NCT04437693, Dec 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 500 participant HCQ prophylaxis RCT with results not reported over 4 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.
Al Ansari et al., 31 Dec 2021, Double Blind Randomized Controlled Trial, trial NCT04437693 (history) (HCQ-COVID19). Contact: nalansari2@hamad.qa, rsingh@hamad.qa.