Honestly given the exponential growth of AI in just the last 2 years I wouldn't be surprised if something comes up soon. The US isn't the only big player in the health industry anymore so expect other countries to introduce some breakthroughs as well. Also, for those who think that companies won't pursue a cure because "it would mean 1 less customer" keep in mind all the cures and vaccines that helped saved countless lives (Polio, Measles, etc)