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Table 2 Antagonistic 2-agents combinations

From: Inference of synergy/antagonism between anticancer drugs from the pooled analysis of clinical trials

Agent 1

Agent 2

Standard of care*

Expected ORR 1

Observed ORR 2

p antagonism

Cancer subtype

Docetaxel

Topotecan

No

42

12

2.94E-11

Lung, ovarian cancer

Bortezomib

Rituximab

No

78

53

1.20E-09

Lymphoma

Temozolomide

Alpha-interferon

No

38

18

5.87E-08

Melanoma

Capecitabine

Bortezomib

No

58

14

9.02E-08

Breast cancer

Fludarabine

Alemtuzumab

No

83

64

1.27E-07

CLL, leukemia

Bevacizumab

Temozolomide

No

48

16

1.41E-07

Melanoma

Capecitabine

Trimetrexate

No

45

6

2.15E-06

Colorectal cancer

Docetaxel

Irinotecan

No

37

18

1.15E-05

Gastric, lung, ovarian cancer

Bortezomib

Temsirolimus

No

64

30

1.25E-05

Myeloma

Temozolomide

Interleukin-2

No

49

16

1.97E-05

Melanoma

Docetaxel

Gefitinib

No

71

31

2.29E-05

Lung cancer

Docetaxel

5-fluorouracil

No

38

25

1.71E-04

Gastric, head and neck cancer

Rituximab

Temsirolimus

No

75

59

2.44E-03

Lymphoma

Temozolomide

Radiation

No

64

46

2.51E-03

Breast cancer

Fludarabine

Alpha-interferon

No

76

52

2.55E-03

Lymphoma

G-CSF

Rituximab

No

71

61

4.69E-03

CLL, lymphoma

Doxorubicin

Bevacizumab

No

40

21

9.11E-03

Breast cancer

Docetaxel

Imatinib

No

46

28

2.09E-02

Breast cancer

Docetaxel

Capecitabine

Yes

49

43

4.48E-02

Breast, gastric cancer

Vinorelbine

Mitoxantrone

No

42

29

4.62E-02

Breast cancer

  1. *By National Comprehensive Cancer Network (NCCN) guidelines.
  2. The combinations with an observed ORR (ORR0) that is significantly lower than the expected ORR in the absence of agent interactions (ORR1).