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Table 3 Potential drug-drug interaction analysis based on adverse event reports of renal failure 1

From: Drug-drug interaction assessment based on a large-scale spontaneous reporting system for hepato- and renal-toxicity, and thrombocytopenia with concomitant low-dose methotrexate and analgesics use

MTX + Drug

n111

n11+

E111

Ω shrinkage model

Additive model

Multiplicative model

CRR model

Acetaminophen

266

15,488

255.28

0.06 (-0.11–0.23)

N

0

N

1.02

P

1.02

N

Celecoxib

136

8,481

143.42

-0.08 (-0.32–0.17)

N

0

N

0.92

N

0.99

N

Acetylsalicylic acid

134

9,119

192.73

-0.52 (-0.77– -0.28)

N

-0.01

N

0.66

N

0.81

N

Diclofenac

115

6,579

172.27

-0.58 (-0.84– -0.32)

N

-0.01

N

0.64

N

0.82

N

Ibuprofen

59

4,255

64.66

-0.13 (-0.5–0.24)

N

0

N

0.89

N

0.98

N

Naproxen

49

5,598

110.08

-1.16 (-1.56– -0.76)

N

-0.01

N

0.43

N

0.65

N

Meloxicam

47

4,569

72.32

-0.62 (-1.03– -0.2)

N

-0.01

N

0.63

N

0.82

N

Loxoprofen

33

1,280

44.85

-0.44 (-0.93–0.06)

N

-0.01

N

0.7

N

0.89

N

Rofecoxib

31

1,265

59.72

-0.93 (-1.44– -0.43)

N

-0.02

N

0.48

N

0.64

N

Indometacin

28

869

33.43

-0.25 (-0.79–0.28)

N

-0.01

N

0.79

N

0.93

N

Ketoprofen

19

829

28.2

-0.56 (-1.21–0.09)

N

-0.01

N

0.64

N

0.83

N

Etodolac

14

906

20.59

-0.54 (-1.3–0.22)

N

-0.01

N

0.65

N

0.83

N

Piroxicam

12

431

4.69

1.27 (0.45–2.08)

P

0.02

P

9.21

P

1.69

N

Sulindac

9

439

7.56

0.24 (-0.7–1.18)

N

0

N

1.16

P

1.1

N

Zaltoprofen

6

55

1.57

1.65 (0.5–2.8)

P

0.08

P

3.63

P

1.42

N

Ketorolac

4

219

5.82

-0.49 (-1.9–0.92)

N

-0.01

N

0.65

N

0.84

N

Flurbiprofen

4

181

3.07

0.33 (-1.08–1.75)

N

0.01

P

1.27

P

1.12

N

Lornoxicam

4

93

1.02

1.57 (0.16–2.98)

P

0.04

P

N

1.79

N

Fenoprofen

3

8

0.09

2.58 (0.94–4.21)

P

0.37

P

N

2.38

P

Mefenamic acid

2

129

2.82

-0.41 (-2.41–1.59)

N

-0.01

N

0.68

N

0.87

N

Tenoxicam

2

40

1.98

0.01 (-1.99–2.01)

N

0

N

0.95

N

1.01

N

Oxaprozin

1

159

1.74

-0.58 (-3.41–2.25)

N

0

N

1.02

P

0.56

N

Aceclofenac

1

134

4.58

-1.76 (-4.59–1.07)

N

-0.03

N

0.21

N

0.42

N

Acemetacin

1

46

0.5

0.58 (-2.25–3.41)

N

0.02

P

N

1.94

N

Bromfenac

1

12

0.76

0.25 (-2.58–3.08)

N

0.02

P

1.23

P

1.17

N

Suprofen

1

1

0.01

1.55 (-1.27–4.38)

N

1

P

N

2

N

  1. Methotrexate (MTX) was concomitantly used with acetaminophen (APAP) or non-steroidal anti-inflammatory drugs (NSAIDs) in rheumatoid arthritis (RA) patients. n111, the number of adverse event cases where MTX and the analgesic were used concomitantly; n11+, the number of cases where MTX and the analgesic were used concomitantly; E111, the expected value in the Ω shrinkage measure model; CRR, combination risk ratio; P, positive signal; N, non-positive signal