The WHO also has a multi country trial that consists of a combo of the four most promising drugs; https://www.sciencemag.org/news/2020/03/who-launches-global-me

The WHO also has a multi country trial that consists of a combo of the four most promising drugs; https://www.sciencemag.org/news/2020/03/who-launches-global-megatrial-four-most-promising-coronavirus-treatments# https://www.sciencemag.org/news/2020/03/who-launches-global-...