Prevention of COVID19 Infection in Nursing Homes by Chemoprophylaxis With Hydroxychloroquine

Morales-Asencio et al., NCT04400019, PREVICHARM, NCT04400019, Apr 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 1,930 participant HCQ prophylaxis nursing home 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.
Morales-Asencio et al., 1 Apr 2021, Double Blind Randomized Controlled Trial, placebo-controlled, trial NCT04400019 (history) (PREVICHARM). Contact: jmmasen@uma.es.