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Denosumab-related osteonecrosis of the jaw after tooth extraction and the effects of a short drug holiday in cancer patients: a multicenter retrospective study

Hasegawa, Takumi Ueda, Nobuhiro Yamada, Shin-ichi. Kato, Shinichiro Iwata, Eiji Hayashida, Saki Kojima, Yuka Shinohara, Mitsuyo Tojo, Itaru Nakahara, Hirokazu Yamaguchi, Taihei Kirita, Tadaaki Kurita, Hiroshi Shibuya, Yasuyuki Soutome, Sakiko Akashi, Masaya Japanese Study Group of Co-operative Dentistry with Medicine(JCDM) 神戸大学

2021.11

概要

Summary Pre-existing inflammation, corticosteroid therapy, periapical periodontitis, longer duration of denosumab therapy, and female sex were significantly associated with an increased risk of denosumab-related osteonecrosis of the jaw after tooth extraction in patients with cancer on oncologic doses of denosumab. A short drug holiday did not protect against this complication. Introduction This study retrospectively investigated the relationship between various risk factors, including brief discontinuation of denosumab, and development of denosumab-related osteonecrosis of the jaw (DRONJ) after tooth extraction in patients with cancer who were receiving oncologic doses of this agent. Methods Data were collected on demographic characteristics, duration of denosumab therapy, whether or not denosumab was discontinued before tooth extraction (drug holiday), duration of discontinuation, presence of pre-existing inflammation, and whether or not additional surgical procedures were performed. Risk factors for DRONJ after tooth extraction were evaluated by univariate and multivariate analyses. Results A total of 136 dental extractions were performed in 72 patients (31 men, 41 women) with cancer who were receiving oncologic doses of denosumab. Post-extraction DRONJ was diagnosed in 39 teeth (28.7%) in 25 patients. Tooth extraction was significantly associated with development of DRONJ only in patients with pre-existing inflammation (odds ratio [OR] 243.77), those on corticosteroid therapy (OR 73.50), those with periapical periodontitis (OR 14.13), those who had been taking oncologic doses of denosumab for a longer period (OR 4.69), and in women (OR 1.04). There was no significant difference in the occurrence of DRONJ between patients who had a drug holiday before tooth extraction and those who did not. Conclusions These findings suggest that inflamed teeth should be extracted immediately in patients with cancer who are receiving oncologic doses of denosumab. Drug holidays have no significant impact on the risk of DRONJ.

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参考文献

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TABLE AND FIGURE CAPTIONS

Tab.1 Characteristics of patients according to whether or not denosumab-related

osteonecrosis of the jaw was present

Tab. 2 Characteristics of extracted teeth according to whether or not denosumab-related

osteonecrosis of the jaw was present

10

Tab. 3 Results of multivariate logistic regression analysis of risk factors for

denosumab-related osteonecrosis of the jaw

11

12

Fig. 1 Cumulative incidence rate of denosumab-related osteonecrosis of the jaw in patients

13

with cancer on denosumab therapy.

14

15

Fig. 2 Receiver-operating characteristic curve for duration of administration of denosumab

16

as an indicator of possible denosumab-related osteonecrosis of the jaw.

17

18

ACKNOWLEDGEMENTS

19

We thank Editage (https://www.editage.jp/) for editing a draft of this manuscript.

20

21

Table 1. Characteristics of patients according to whether or not denosumab-related osteonecrosis of the jaw was present

Variable

DRONJ

P-value

Present

Absent

n (%)

n (%)

25 (34.7)

47 (65.3)

Stage 0

1 (4.0)

Stage 1

10 (40.0)

Stage 2

11 (44.0)

Stage 3

3 (12.0)

Male

10 (40.0)

21 (43.1)

Female

15 (60.0)

26 (56.9)

44–82

41–85

66.3 ± 11.3

64.60 ± 12.2

0.534 **

0 or 1

23 (92.0)

44 (93.6)

1.000 *

2 or 3

2 (8.0)

3 (6.4)

Yes

3 (12.0)

9 (19.1)

No

18 (72.0)

33 (70.2)

Unknown

4 (16.0)

5 (10.6)

5–51

1–85

Mean ± SD

22.4 ± 13.5

13.7 ± 15.3

< 0.001**

≥ 18 months

16 (66.7)

10 (27.8)

< 0.001*

< 18 months

9 (33.3)

37 (72.2)

Yes

2 (8.0)

3 (6.4)

No

23 (92.0)

44 (93.6)

Yes

4 (16.0)

8 (17.0)

No

21 (84.0)

39 (83.0)

Patients, n

Sex

0.805 *

Age

Range (years)

Mean ± SD

Performance status

Smoking history

0.735*

Duration of oncologic doses of denosumab

Range (months)

Comorbidity or drug-induced risk factors

Diabetes mellitus

1.000*

Corticosteroid therapy

Additional chemotherapy

1.000*

Yes

17 (72.3)

34 (70.8)

0.787*

No

8 (27.7)

13 (28.2)

Breast cancer

8 (32.0)

12 (25.5)

Prostate cancer

2 (8.0)

12 (25.5)

Multiple myeloma

1 (4.0)

4 (8.5)

Lung cancer

2 (8.0)

6 (12.8)

Other

1 (4.0)

4 (8.5)

11 (44.0)

9 (19.1)

1–283

2–272

66.0 ± 61.7

58.9 ± 63.5

0.367**

Yes

18 (46.2)

54 (55.7)

0.347*

No

21 (53.8)

43 (44.3)

Yes

16 (64.0)

25 (56.9)

No

9 (36.0)

22 (43.1)

Yes

3 (12.0)

10 (21.3)

No

22 (88.0)

37 (78.7)

Yes

4 (16.0)

2 (4.6)

No

21 (84.0)

45 (95.7)

Maxillary

10 (40.0)

23 (48.9)

Mandibular

14 (56.0)

21 (44.7)

1 (4.0)

3 (6.4)

2 (8.0)

5 (10.6)

22 (88.0)

37 (78.7)

1 (4.0)

5 (10.6)

Adequate alveolar bone volume

19 (76.0)

31 (66.0)

Bone loss

6 (24.0)

16 (44.0)

24 (96.0)

29 (61.7)

Type of cancer

Unknown

0.171***

Interval between tooth extraction and last denosumab injection

Range (days)

Mean ± SD

Drug holiday before tooth extraction

Reason for tooth extraction

Periapical periodontitis

0.457*

P4 periodontitis

0.521*

Pericoronitis

0.173*

Jawbone

Maxillary and mandibular

0.881***

Site of tooth extraction

Anterior region

Molar region

Anterior and molar region

0.562***

Bone volume around tooth

0.432*

Pre-existing inflammation

Yes

0.002*

No

1 (4.0)

18 (38.3)

Yes

24 (61.5)

51 (52.6)

No

15 (38.5)

46 (47.4)

Single

11 (44.0)

20 (42.6)

Multiple

14 (56.0)

27 (57.4)

Yes

11 (44.0)

11 (23.4)

No

14 (56.0)

36 (76.6)

Yes

5 (20.0)

6 (12.8)

No

20 (80.0)

41 (87.2)

Open

12 (48.0)

15 (31.9)

Closed with suture

12 (48.0)

28 (59.6)

1 (4.0)

4 (8.5)

Preoperative antibiotics administration

0.446*

Number of teeth extracted

1.000*

Additional surgical procedure

Bone removal

0.106*

Root amputation

0.497*

Wound status after extraction

Completely closed with relaxation incision or removal

0.736***

of bone edge

*Fisher’s exact test, **Mann-Whitney U test, ***chi-squared test. DRONJ, denosumab-related osteonecrosis of the jaw; SD,

standard deviation

Table 2. Characteristics of extracted teeth according to whether or not denosumab-related osteonecrosis of the jaw was

present

Variable

DRONJ

P-value

Present

Absent

n (%)

n (%)

39 (28.7)

97 (71.3)

Male

16 (41.0)

47 (48.5)

Female

23 (59.0)

50 (51.5)

44–82

41–85

66.6 ± 10.0

66.0 ± 13.0

0.860**

0 or 1

36 (92/3)

87 (89.7)

0.355*

2 or 3

3 (7.7)

10 (10.3)

5–51

1–85

Mean ± SD

23.4 ± 13.1

15.7 ± 14.0

< 0.001**

≥18 months

26 (66.7)

27 (27.8)

< 0.001*

<18 months

13 (33.3)

70 (72.2)

Yes

2 (5.1)

16 (6.2)

No

37 (94.9)

91 (93.8)

Yes

9 (23.1)

13 (13.4)

No

30 (76.9)

84 (86.6)

Yes

27 (69.2)

63 (64.9)

No

12 (30.8)

34 (35.1)

Breast cancer

13 (33.3)

32 (33.0)

Prostate cancer

6 (15.4)

34 (35.1)

Multiple myeloma

1 (2.6)

6 (6.2)

Lung cancer

3 (7.7)

9 (9.3)

Teeth, n

Sex

0.454*

Age

Range (years)

Mean ± SD

Performance status

Duration of oncologic doses of denosumab

Range (months)

Comorbidity or drug-induced risk factors

Diabetes mellitus

1.000*

Corticosteroid therapy

0.200*

Additional chemotherapy

0.692*

Type of cancer

0.386***

Other

3 (7.7)

4 (4.1)

13 (33.3)

12 (12.4)

1–283

2–272

61.5 ± 53.1

84.6 ± 77.3

0.376**

Yes

18 (46.2)

54 (55.7)

0.347*

No

21 (53.8)

43 (44.3)

24 (61.5)

37 (38.1)

Periapical periodontitis + radicular cyst

1 (2.6)

1 (1.0)

P4 periodontitis

7 (18.0)

33 (34.0)

C4 caries

1 (2.6)

17 (17.5)

Pericoronitis

4 (10.3)

3 (3.1)

Root fracture

1 (2.6)

6 (6.2)

Other

1 (2.6)

0 (0)

Yes

25 (64.1)

38 (39.2)

No

14 (35.9)

59 (60.8)

Yes

7 (18.0)

33 (34.0)

No

32 (82.0)

64 (66.0)

Yes

4 (10.3)

3 (3.1)

No

35 (89.7)

94 (96.9)

Maxillary

16 (41.0)

54 (55.7)

Mandibular

23 (59.0)

43 (44.3)

Anterior region

8 (20.5)

25 (25.8)

Molar region

31 (79.5)

72 (74.2)

Adequate alveolar bone volume

26 (66.7)

49 (50.5)

Bone loss

13 (33.3)

48 (49.5)

Yes

38 (97.4)

65 (67.0)

No

1 (2.6)

32 (33.0)

Unknown

Duration between tooth extraction and last denosumab injection

Range (days)

Mean ± SD

Drug holiday before tooth extraction

Reason of tooth extraction

Periapical periodontitis

0.009***

Periapical periodontitis

0.014*

P4 periodontitis

0.095*

Pericoronitis

0.104*

Jawbone

0.134*

Site of tooth extraction

0.659*

Bone volume around tooth

0.127*

Pre-existing inflammation

< 0.001*

Preoperative administration of antibiotics

Yes

24 (61.5)

51 (52.6)

No

15 (38.5)

46 (47.4)

Single

15 (38.5)

33 (34.0)

Multiple

24 (61.5)

64 (66.0)

Yes

17 (43.6)

30 (30.9)

No

22 (56.4)

67 (69.1)

Yes

8 (20.5)

8 (8.2)

No

31 (79.5)

89 (91.8)

Open

17 (43.6)

33 (34.0)

Closed with suture

20 (51.3)

51 (52.6)

2 (5.1)

13 (13.4)

0.446*

Number of teeth extracted

0.693*

Additional surgical procedure

Bone removal

0.169*

Root amputation

0.073*

Wound status after extraction

Completely closed with relaxation incision or removal

0.297***

of bone edge

*Fisher’s exact test, **Mann-Whitney U test, ***chi-squared test. DRONJ, denosumab-related osteonecrosis of the jaw; SD,

standard deviation

Table 3. Results of multivariate logistic regression analysis of risk factors for denosumab-related osteonecrosis of the

jaw

95% CI

Variable

P-value

Odds ratio

Lower

Upper

0.001

243.77

11.03

5390.17

< 0.001

73.50

7.45

724.71

Periapical periodontitis

0.001

14.13

3.06

65.29

Longer duration of high-dose denosumab therapy

0.016

4.69

1.34

16.49

Female sex

0.037

1.04

1.00

1.09

Pre-existing inflammation

Steroid therapy

CI, confidence interval

...

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