Real-world survival ‘inferior’ to trials for ERBB2-positive metastatic cancer

Canadian breast cancer data differs from results seen in the CLEOPATRA and EMILIA trials, researchers report
Reuters Health
pink ribbon for breast cancer

Patient survival in the real-world is inferior to that seen in clinical trials of pertuzumab and trastuzumab emtansine for ERBB2-positive metastatic breast cancer, a study shows.

The cause is likely due to differences in patient characteristics and previous therapy, the Canadian researchers say.