S/N Drug candidate Number of trials
1 Ritonavir 38
2. Lopinavir 34
3 Chloroquine/hydroxychloroquine 31
4 Interferon alpha 22
5 Remdesvir 10
6 Favipravir 9
7 Umifenovir 9
8 Darunavir 6
9 Tocilizumab 6
10 Methylprednisolone 5
Total 170