Significance of Algernon's 2b/3 clinical trial. Great read.The nuts and bolts explained here.
https://www.globenewswire.com/news-release/2020/04/22/2019882/0/en/Algernon-Submits-Application-to-Health-Canada-for-Ifenprodil-COVID-19-Phase-2b-3-Multinational-Clinical-Trial.html