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Table 3 First-line treatments and cardiac monitoring

From: Trastuzumab use in older patients with HER2-positive metastatic breast cancer: outcomes and treatment patterns in a whole-of-population Australian cohort (2003–2015)

 

Older patients (≥ 65)

Younger patients (< 65)

Overall

Patients, n

1583

3821

5404

Number of patients initiating trastuzumab witha:

 Trastuzumab monotherapy

372 (23%)

637 (17%)

1009 (19%)

 Taxane and taxane combinations:

787 (50%)

2368 (62%)

3155 (58%)

 Endocrine therapy alone

292 (18%)

490 (13%)

782 (14%)

 Vinorelbine

19 (1%)

60 (2%)

79 (2%)

 Capecitabine

40 (3%)

58 (2%)

98 (2%)

 Other chemotherapy combinations

73 (5%)

208 (5%)

281 (5%)

Patients with a baseline cardiac assessment, n

782 (49%)

1830 (48%)

2612 (48%)

Patients with a cardiac assessment while on trastuzumab, n

956 (60%)

2550 (67%)

3506 (65%)

Patients with a cardiac assessment at baseline and while on trastuzumab, n

607 (38%)

1519 (40%)

2216 (39%)

Number of cardiac assessments perpatient, median (IQR)

4 (2–7)

5 (2–8)

4 (2–8)

  1. aFirst-line partner therapy is based on treatments dispensed during the period from 30 days prior to 90 days following trastuzumab initiation