The recent curative hepatitis treatments have paved the way for this. There are a variety of different approaches including statewide cost sharing funds that pool the cost across all the insurers in the state.
IIRC, single-payer health care systems like the NHS do functionally the exact same thing, which allows them to negotiate significant discounts. I remember reading about a gene therapy for a type of leukodystropphy that was in the millions of dollars, but got negotiated down. [1]
nxobject|2 years ago
https://www.england.nhs.uk/2023/02/first-baby-receives-life-...