Back in March, Roche revealed that its breast cancer pill had failed in a pivotal Phase 3 trial. Data presented at ASCO reveal why.

Back in March, Roche revealed that its breast cancer pill had failed in a pivotal Phase 3 trial. Data presented at ASCO reveal why.

To Roche, a phase 3 flop in first-line breast cancer does not erase the megablockbuster potential of its oral SERD drug giredestrant even as competition mounts. | To Roche, a…