One small randomized clinical trial result. 62 patients randomized to best care + placebo or HCQ 200mg 2x/day for 5 days and evaluate for time to clinical recovery based on fever/cough symptoms as well as improvement of chest CT. Results showed statistically significant benefit of HCQ arm.
Here is the media report summary and here is a link to the medrxiv hc
paper (not peer reviewed yet):