1. Trends in Prescription Drug Launch Prices, 2008-2021
2. Helfand C. Novartis slaps $2m-plus price tag on newly approved gene therapy Zolgensma—and cost watchdogs approve. Fierce Pharma, 24 May 2019. https://www.fiercepharma.com/pharma/novartis-slaps-2m-plus-pricetag-newly-approved-gene-therapy-zolgensma
3. Anderson LA. 10 of the most expensive drugs in the US. Drugs.com 17 Oct 2022. https://www.drugs.com/slideshow/top-10-most-expensive-drugs-1274
4. Helmore E. Gene therapy at $3.5m a dose approved for US adults with hemophilia B. Guardian 2022 Nov 23. https://www.theguardian.com/business/2022/nov/23/hemgenix-hemophilia-b-fda-most-expensive-drug
5. Changes in List Prices, Net Prices, and Discounts for Branded Drugs in the US, 2007-2018