What is the definition of Effectiveness Medical Research?

"Effectiveness medical research" is like saying, 'How well does the latest pill or therapy actually work?!' But let's not get too carried away with that pun. Here's a spooky example sentence: "The new 'effective' cancer treatment, touted as the ultimate life-saving serum by the shady pharmaceutical company, turned out to be nothing more than a side-eye patch for the evil doctor's wallet."