Active comparator: lopinavir/ritonavir or arbidol or chloroquine phosphate any of basic treatment + lopinavir/ritonavir tablets or arbidol or chloroquine phosphate  IV  Primary (30 days): fever to normal time (day), pulmonary inflammation resolution time (HRCT) (day), negative conversion (%) of 2019‐nCOVRNA in gargle (throat swabs) at the end of treatment  NCT04286503/Not yet recruiting, Feb23‐Feb28 2020–2021