Testing drugs in mice tells us nothing. 

It's all safety theater. 

It costs millions (which prevents people from getting things into humans) and everyone knows it's bullshit.

It just keeps drugs off the market

Meridian Radiopharmaceuticals
https://www.meridianradiopharmaceuticals.com/

AI-based clinical trials are evolving in biomedical research.

Yeah not with respect to what I've pointed out in this post.