“Each step takes longer than you realise and costs a small fortune! The following is a figure showing the high drug development costs and attrition rates of drugs entering the development pipeline.”
“It makes you realise why only big Pharma with deep pockets can afford to develop drugs. The down side is that the era of cheap or affordable drugs is gone. Do you find this alarming?”
Source: DiMasi et al. The price of innovation: new estimates of drug development costs. J Health Econ. 2003 Mar;22(2):151-85.