Chloroquine + Losartan Compared to Chloroquine Alone for the Treatment of COVID-19 Pneumonia

Study design Phase 2, blinded, single-center, 1: 1 randomized clinical trial for the treatment of SARS-CoV-2 pneumonia in non-critically ill subjects. Two of the co-investigators and the data analyst will remain blind to group allocation until after statistical analysis. The groups will consist of subjects receiving in one arm PO Chloroquine 450mg every 12 hours and in the other arm, in addition to chloroquine, PO Losartan 25mg every 24 hours. Study drugs will be administered for a total of 10 days enterally. Baseline demographics and clinical characteristics will be registered and periodically during the study. nasopharyngeal swabs will be taken every 48hrs during hospitalization to determine the presences and viral load of SARS-CoV-2, and daily EKG for QT interval monitoring.