Table 1

Status of application of regimens by breast cancer subtype

SubtypeFirst line treatment regimenNumber of patients by high-cost treatment
HR + HER2-aNSAI+CDKIs195 (27.8%)
others210 (29.9%)
HER2+aTmab+Pmab+DTX86 (12.3%)
others59 (8.4%)
TNanab-PTX+ atezolizumab16 (2.3%)
anab-PTX+ pembrolizumab1 (0.1%)
aPTX+ pembrolizumab4 (0.6%)
aCBDCA+ GEM+ pembrolizumab29 (4.1%)
others77 (11.0%)
BRCA1/2+aolaparib11 (1.6%)
others14 (2.0%)
Total702
SubtypeFirst line treatment regimenNumber of patients by high-cost treatment
HR + HER2-aNSAI+CDKIs195 (27.8%)
others210 (29.9%)
HER2+aTmab+Pmab+DTX86 (12.3%)
others59 (8.4%)
TNanab-PTX+ atezolizumab16 (2.3%)
anab-PTX+ pembrolizumab1 (0.1%)
aPTX+ pembrolizumab4 (0.6%)
aCBDCA+ GEM+ pembrolizumab29 (4.1%)
others77 (11.0%)
BRCA1/2+aolaparib11 (1.6%)
others14 (2.0%)
Total702

Hormone receptor-positive HER2-negative (HR + HER2-), HER2-positive (HER2+), and TN, non-steroidal aromatase inhibitor (NSAI), CDKIs, trastuzumab + pertuzumab + docetaxel (Tmab+Pmab+DTX), nab-paclitaxel (nab-PTX), paclitaxel (PTX), carboplatin (CBDCA), gemcitabine (GEM), a pathogenic variant of the BRCA1/2 gene (BRCA1/2+).

aHigh-cost regimens.

Table 1

Status of application of regimens by breast cancer subtype

SubtypeFirst line treatment regimenNumber of patients by high-cost treatment
HR + HER2-aNSAI+CDKIs195 (27.8%)
others210 (29.9%)
HER2+aTmab+Pmab+DTX86 (12.3%)
others59 (8.4%)
TNanab-PTX+ atezolizumab16 (2.3%)
anab-PTX+ pembrolizumab1 (0.1%)
aPTX+ pembrolizumab4 (0.6%)
aCBDCA+ GEM+ pembrolizumab29 (4.1%)
others77 (11.0%)
BRCA1/2+aolaparib11 (1.6%)
others14 (2.0%)
Total702
SubtypeFirst line treatment regimenNumber of patients by high-cost treatment
HR + HER2-aNSAI+CDKIs195 (27.8%)
others210 (29.9%)
HER2+aTmab+Pmab+DTX86 (12.3%)
others59 (8.4%)
TNanab-PTX+ atezolizumab16 (2.3%)
anab-PTX+ pembrolizumab1 (0.1%)
aPTX+ pembrolizumab4 (0.6%)
aCBDCA+ GEM+ pembrolizumab29 (4.1%)
others77 (11.0%)
BRCA1/2+aolaparib11 (1.6%)
others14 (2.0%)
Total702

Hormone receptor-positive HER2-negative (HR + HER2-), HER2-positive (HER2+), and TN, non-steroidal aromatase inhibitor (NSAI), CDKIs, trastuzumab + pertuzumab + docetaxel (Tmab+Pmab+DTX), nab-paclitaxel (nab-PTX), paclitaxel (PTX), carboplatin (CBDCA), gemcitabine (GEM), a pathogenic variant of the BRCA1/2 gene (BRCA1/2+).

aHigh-cost regimens.

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