RR was indeed impressive but as you noted only in the PD-L1-positive subgroup and docs will probably need a 2nd biopsy to define PD-L1 status among patients who had progressed. So currently my guess is Opdivo would do better in this indication.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.