Merck & Co. Inc.’s decision to pull its PD-1 inhibitor Keytruda (pembrolizumab) from the EU approval process for lung cancer has raised a few eyebrows, with some analysts saying the company was jumping the gun in seeking marketing authorization on the back of Phase II trial data. It will now have to wait until Phase III results are ready before filing again.
At least one analyst says he may have to revise his forecast for Keytruda sales growth, which was based partly...








