You should immediately be suspect of any “study” that random ass just throws half the people out of it. It’s clear that this was a “fudge the numbers” scenario

https://jamanetwork.com/journals/jama/fullarticle/2801827

https://www.nejm.org/doi/full/10.1056/nejmoa2115869

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9308124/

In fact, I cannot find a double blind that supports the use of ivermectin to treat Covid.