Outcomes Related to COVID-19 Treated With Hydroxychloroquine Among In-patients With Symptomatic Disease

ORCHID is a multicenter, blinded, placebo-controlled, randomized clinical trial evaluating
hydroxychloroquine for the treatment of adults hospitalized with COVID-19. Patients, treating
clinicians, and study personnel will all be blinded to study group assignment.

ORCHID试验为一项多中心、盲法、安慰剂对照的随机临床试验，旨在评估羟氯喹（hydroxychloroquine）治疗因COVID-19住院的成人患者的疗效。受试者、治疗医师及研究人员均对研究分组分配情况保持盲态。