The third quarter marked a turning point for Merck & Co. Inc.'s PD-1 inhibitor Keytruda, which hit the $1bn sales mark and finally started closing in on Bristol-Myers Squibb Co.'s market-leading competitor Opdivo, but with many catalysts around the corner for the most valuable indication of lung cancer, investors are bracing for shakeups.
Opdivo's performance in the third quarter was better than expected as nivolumab brought in $1.3bn in sales, up by 38%...