You seem to be too optimistic about the motives of pharma companies. They need profits, and for that they need patentable drugs. They are not going to perform t

You seem to be too optimistic about the motives of pharma companies. They need profits, and for that they need patentable drugs. They are not going to perform those very expensive randomized controlled trials for things they can't patent and sell for exorbitant prices. That's just the way it is.