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/

Would you rather have drugs be tested on people? Human life is precious for the ecosystem of the planet and it should not be put to dangsr unwillingly.

Dose escalation with an imaging agent on humans and utilization of isotopologues for theranostic pairings.

https://farcaster.xyz/ericolsz/0xf915773a