A treatment for LEMS, Amifampridine, a.k.a., 3,4-DAP, soars in price from $0 to $375,000. NBC News (of course) ignores the role of FDA regulation of Big Pharma.
https://www.lewrockwell.com/lrc-blog/drug-price-soars-0-to-375000-nbc-ignores-role-of-fda-regulation/