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Table 1 Clinical trials included trastuzumab pertuzumab pre-treated metastatic breast cancer population. The second part of the table reported the data from the two phases III trials EMILIA and TH3RESA included in the analysis as comparators

From: T-DM1 efficacy in trastuzumab-pertuzumab pre-treated HER2 positive metastatic breast cancer patients: a meta-analysis

First author name (Trial)

Year

Previous treatment

T-DM1 line

PFS months

95%CI

Patients N

1-year PFS % patients

Dzimitrowicz et al. [5]

2016

TP + CHT or ET

2nd and further

4

2,7—5,1

78

NA

Conte et al. [8]

2019

TP TXT

2nd-line

6,3

4,8—7,7

77

28

Urruticoechea et al. [14] (CLEOPATRA) (PHEREXA)

2017

TP TXT

2nd and further

7,1

0—44

32

NA

2017

TPC

2nd and further

4,2

0—22

43

NA 

Fabi et al. [9]

2017

TP TXT

2nd-line

5

4,3—5,7

34

48

Noda-Narita et al. [10]

2019

TP TXT

2nd and further

2,8

1,7—4,8

18

12

Vici et al. [11]

2017

TP TXT

2nd and further

4

2—7

47

13,2

Lupichuk et al. [12]

2019

TP TXT

2nd and further

5,5

 

55

22

Battisti et al. [13]

2020

TP TXT

2nd and further

8,7

6,6—11,3

37

NA

Del prete et al. []

2020

TP TXT

2nd

10,5

8,6—12,7

135

47

Huober et al. (PERNETTA) [6]

2018

TP

2nd

7,1

4,3—11,9

59

30

 

2018

TP TXT

2nd

5,3

4—10,3

42

32

Comparator Phase III trial

 Krop et al. (EMILIA) [4]

2012

T TXT

2nd

9,6

0,55 – 0,77

495

40

  1. T Trastuzumab, P Pertuzumab, TXT taxane, C Capecitabine, CHT Chemotherapy regimen, PFS progression free survival