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Table 1 Patient characteristics (n 70)1

From: Vinorelbine-based salvage therapy in HER2-positive metastatic breast cancer patients progressing during trastuzumab-containing regimens: a retrospective study

Variable

Values (%)2

Median Age in years (range)

55 (32–77)

Stage at Initial Diagnosis of Breast Cancer

 

I/II

41 (59)

III

17 (24)

IV

12 (17)

Hormone Receptor Status

 

   ER and or PgR positive

33 (47)

   ER and PgR Negative

35 (50)

   ER and PgR Unknown

2 (3)

Exposure to anthracycline before the initial T-based regimen3

46 (66)

Exposure to taxane before the initial T-based regimen3

18 (26)

Prior Lines of Chemotherapy for Metastatic Disease4

 

   1

48 (68)

   2

10 (14)

   ≥ 3

12 (17)

Initial Trastuzumab-based regimen

 

   Docetaxel 75–100 mg/m2 q3wks + T

31 (44)

   Paclitaxel 80–90 mg/m2 weekly +T

12 (17)

   Paclitaxel 175 mg/m2 q3wks + T

5 (7)

   Vinorelbine 25–30 mg/m2 weekly + T

4 (6)

   Docetaxel 75 mg/m2 + Epi-doxorubicin 75 mg/m2 q3wks + T

4 (6)

   T alone

4 (6)

   Other regimens

7 (10)

   Unknown

3 (4)

Median Number of Metastatic Sites

2 (1–6)

Pattern of Metastatic Disease

 

   Visceral (Liver + Lung)

57 (81)

   Non Visceral/Non CNS (Bone, Soft Tissue, Effusions)

11 (16)

   Central Nervous System (plus other sites)

17 (24)

  1. T, Trastuzumab; CNS, central nervous system.
  2. 1All patients had HER2 amplification confirmed by central reassessment of tumor material by fluorescence in situ hybridization
  3. 2Because of rounding, the sum of percentages does not always equal 100.
  4. 3Exposure to these drugs in the neoadjuvant, adjuvant or metastatic setting before the initial trastuzumab-based regimen.
  5. 4Including the initial trastuzumab-based regimen