Statistically conclusive or suggested result Inconclusive results Uncertain results Safety results

es-BC - HER2 positive - (neo)adjuvant (NA) breast cancer - HER2-positive es-BC - HER2 positive - (neo)adjuvant (NA)

versus trastuzumab
trastuzumab emtansine vs. trastuzumab 1 noneinconclusive results for: deaths (OS)

statistically conclusive 50 % decrease in iDFS but the degree if certainty is unassessable

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versus trastuzumab plus endocrine therapy
trastuzumab emtansine vs. trastuzumab plus endocrine therapy 1 none-

suggested 3.9-fold increase in pCR but the degree if certainty is unassessable

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trastuzumab emtasine plus endocrine therapy vs. trastuzumab plus endocrine therapy 1 none-

suggested 4.0-fold increase in pCR but the degree if certainty is unassessable

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