Pre-Exposure Prophylaxis study (treated before exposed to the virus)
et al., Annals of the Rheumatic Diseases, doi:10.1136/annrheumdis-2020-218500 (Letter)
Hydroxych loroquine ineffective for COVID-19 prophylaxis in lupus and rheumatoid arthritis
Comparison of the percentage of SLE/RA patients on immunosuppressants that were taking HC
Q, for COVID-19 diagnosis versus other infections or outpatient visits, finding a similar percentage in each case.
No mortality of severity information is provided to determine if HC
Q treated patients fared better. No adjustment for concomitant medications or severity.
COVID-19 case, ↑9.0%, p=0.62
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