The obesity market is driving pharma’s return on investment (ROI) upward, with the projected return rising to 5.9% overall in 2024, but only reaching 3.8% if GLP-1 assets are excluded. At the same time, the average cost of developing a drug continues to rise and now stands at $2.23 billion, compared to $2.12 billion in 2023, according to Deloitte’s 15th annual analysis of the ROI from pharmaceutical innovation.