May 21, 2020

Similar Incidence of Coronavirus Disease 2019 (COVID-19) in Patients with Rheumatic Diseases with and without Hydroxychloroquine Therapy

Category: Article Summary

Topic: Testing and Treatment

• [pre-print, not peer reviewed] Macias et al. conducted a retrospective analysis of 722 patients with autoimmune rheumatic diseases who were being treated with (n=423) and without hydroxychloroquine (n=290) in Seville, Spain. Incidence and severity of COVID-19 did not differ between the treatment groups. Over seven weeks, 5 (1.7%) cases of COVID-19 were reported among patients using hydroxychloroquine and 5 (1.2%) among those without hydroxychloroquine. 

Macias et al. (May 20, 2020). Similar Incidence of Coronavirus Disease 2019 (COVID-19) in Patients with Rheumatic Diseases with and without Hydroxychloroquine Therapy. Pre-print downloaded May 21 from https://doi.org/10.1101/2020.05.16.20104141