It varies greatly, and the figures generated by third party studies are almost always lower than the self-reported figures. This article [1] from 2012 reports p

It varies greatly, and the figures generated by third party studies are almost always lower than the self-reported figures. This article [1] from 2012 reports per-drug pharmaceutical R&D spend ranging from $3.7B to $11.8B. It's not the most transparent cost analysis. [1]: https://www.forbes.com/sites/matthewherper/2012/02/10/the-truly-staggering-cost-of-inventing-new-drugs/#73acf67e4a94 https://www.forbes.com/sites/matthewherper/2012/02/10/the-tr...