Analysis of HCQ dosing regimens, recommending:
PrEP: 800mg loading dose followed by 400mg 2 or 3 times weekly to maintain weekly troughs above EC
50 in >50% of patients at steady-state.
PEP: 800mg loading dose followed in 6 hours by 600mg, then 600mg daily for 4 more days to achieve daily troughs above EC
50 in >50% subjects.
Al-Kofahi et al., 6/1/2020, peer-reviewed, 9 authors.