Effectiveness of Prophylactic Hydroxychloroquine on incidence of COVID-19 infection in Front-line Health and Allied Health Care Workers: The COVID-SHIELD Trial

Pellegrini et al., COVID-SHIELD, ACTRN12620000501943, COVID-SHIELD, ACTRN12620000501943, Sep 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.

Estimated 2,250 participant HCQ prophylaxis RCT with results not reported over 6 years after estimated completion.
The lead investigators are Prof. Marc Pellegrini and Prof. Ian Wicks1-4. For more information see5-8.
37 HCQ RCTs have results missing long after expected9-45
The trials report a total of 20,499 patients, with 12 trials having actual enrollment of 3,639, and the remainder estimated.
Pellegrini et al., 12 Sep 2020, Double Blind Randomized Controlled Trial, placebo-controlled, trial ACTRN12620000501943 (COVID-SHIELD). Contact: communityrelations@wehi.edu.au, wicks@wehi.edu.au, mpell@unimelb.edu.au, pellegrini@wehi.edu.au.