COVID-19(191) Patient(154) Registered(136) participant(114) Trial(113) Randomly(111) randomised(110) with COVID-19(108) Treatment(106) assigned(106) 95% CI(97) hospital(93) death(86) 1:1(81) outcome(81) Primary outcome(75) Older(71) age(71) enrolled(69) reported(68) SARS-COV-2 infection(67) receive(67) risk(66) dose(66) finding(65) funding(62) hazard ratio(61) multicentre(59) patients with COVID-19(56) Efficacy(56)