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You answered your own question. The taxpayer already pays the same amount for lifetime treatment. This is just going to be the same except the person can lead a completely normal life after this. Also over time this will probably be much, much cheaper than the current lifetime treatment. There’s no reason a lot of the process can’t be easily automated.

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No, I did not "answer my own question". These therapies are priced at $2.2 and $3.1 million, much greater than their calculated cost-effective price. And these are not small molecules that can be easily made generic, so not likely to get that much cheaper over time.

Plasmid production is pretty well industrialized. Lots of biotech drugs/treatments ferment plasmids as a step in their process (for example the Covid mRNA vaccines that cost $25).

I imagine an expensive part of this process is incubating the treated stem cells to increase their numbers, and then just the cost of the hospital time while the new cells establish and the patients immune system recovers from the chemotherapy.

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