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Table 2 Baseline characteristics of the patients included in systematic review

From: Efficacy and safety of vedolizumab for pediatrics with inflammatory bowel disease: a systematic review

Study ID

IBD type

Number of patients

Age years at vedolizumab initiation: median [range]/ Mean ± SD

Baseline severity

VDZ dose

Proportion of patients anti-TNF experienced

Previous medication

Concomitant medication

Disease behaviora

PCDAI median [range]/ Mean ± SD

PUCAI median [range]/pMS score median [range] / Mean ± SD

Singh[2016] [22]

CD/UC

52

14.9(7–17)

32.5 (17.5–45)

30 (IQR 10–55)

300 mg(n = 39); 6 mg/kg(n = 11);

5 mg/kg(n = 2)

47/52

IFXb

ADAb

CZPb

AZA/6-MP/MTX:15/52

CS:29/52

NR

Conrad[2016] [23]

CD/UC/IBD-U

21

13–18 (n = 15);

19–21 (n = 6)

25.0 (IQR 17.5–38.1)

30.0 (IQR 20.0–35.0)

300 mg

21/21

IFX:20/21

ADA:13/21

CZP:2/21

GLM:1/21

AZA/6-MP:1/21

MTX:8/21

CS:15/21

B1 9/16

B2 3/16

B3 2/16

B2&B3 2/16

P 8/16

Ledder[2017] [24]

CD/UC/IBD-U

64

10.7 ± 3.6

37.5 (IQR 24–61)

45 (IQR 30–65)

300 mg(n = 52);

150-250 mg(3.6–10.3 mg/kg)(n = 12)

64/64

Anti-TNF-αc

TAC:4/64

THA:1/64

AZA/6-MP/MTX:21/64

CS:41/64

B1 17/23

B2 5/23

B3 1/23

P 4/23

G 15/23

Schneider[2018] [25]

CD/UC/IBD-U

12

15(8–17)

Median:47.5

Median:70

6 mg/kg(Max 300 mg)

12/12

IFX:12/12

ADA:11/12

GLM:1/12

CS:8/11

AZA:3/11

5-ASA:2/11

NR

Olbjørn[2020] [26]

CD/UC

8

17(14–17.5)

68.75(IQR 65–76.25)

67.5(IQR 55.63–73.75)

300 mg

8/8

IFX:8/8

CS:8/8

AZA:3/8

MTX:3/8

5-ASA:5/8

IFX:8/8

B1 2/4

B3 2/4

P 1/4

Jossen[2020] [27]

CD/UC

68

16.4(IQR 13.3–18.2)

Anti-TNF naïve:26.2 (IQR 19.4–35.6)

Anti-TNF exposed: 35 (IQR 25–57.5)

pMS: Anti-TNF naïve: 3.5 (2–5)

pMS: Anti-TNF exposed: 6 (3–6.5)

 ≥ 30 kg:300 mg

19-29 kg:6-10 mg/kg

36/68

NR

CS:44/68

B1 29/33

B2 3/33

B3 1/33

P 10/33

Dolinger[2021] [28]

CD/UC/IBD-U

13

15.9 (IQR 13.5–16.9)

58.75 (IQR 31.25–58.75)

pMS:4 (IQR 0–7)

300 mg

13/13

Anti-TNF-αc

NR

B1 6/7

B2 1/7

Fabiszewska[2021] [29]

CD/UC

16

6.5(2.2–16.5)

34.4 ± 1.9

26 ± 6

150 mg or 300 mg depending on patient’s weight

15/16

IFX:15/16

ADA:9/16

Other biologics:4/16

CS:16/16

BUD:8/16

5-ASA:15/16

AZA:14/16

CsA:10/16

During induction phase:

AZA:5/16

MTX:4/16

CS:8/16

During maintenance phase:

AZA:4/14

MTX:4/14

CS:6/14

NR

Garcia-Romero [2021] [30]

CD/UC

42

12.6(IQR 8.9–14.0)

36 (IQR 24–60)

47 (IQR 25–65)

 < 40 kg: 6 mg/kg (n = 20)

300 mg (n = 22)

42/42

IFX:40/42

ADA:26/42

ADA + IFX:24/42

Oral CS:39/42

IV CS:28/42

AZA:40/42

6-MP:4/42

MTX:12/42

CsA:5/42

5-ASA:34/42

CS:22/42

AZA:19/42

6-MP:1/42

MTX:6/42

5-ASA:22/42

TAC:2/22

B1 13/14

B2 0/14

B3 1/14

G 5/14

Hajjat[2021] [31]

CD/UC/IBD-U

159

14.5 ± 2.4

27.5 (IQR 15–40)

50 (IQR 35–65)

At VED start: 6.0 ± 1.8 mg/kg;

At VED end: 5.2 ± 1.9 mg/kg

136/159

IFX:132/159

ADA:66/159

GLM:2/159

CZP:14/159

UST:5/159

CS:105/159

AZA:16/159

6-MP:48/159

MTX:82/159

5-ASA:78/159

SUL:19/159

RT:72/159

CS:101/159

AZA: 9/159

MTX: 46/159

B1 44/78

B2 17/78

B3 6/78

B2&B3 11/78

  1. aDisease behavior classification was according to Paris classification
  2. bThe study did not provide the exact number of using IFX/ADA/CZP before vedolizumab therapy
  3. cThe study did not specify the kinds of anti-TNF-α agents
  4. Abbreviations: IBD inflammatory bowel disease, CD Crohn’s disease, UC ulcerative disease, IBD-U inflammatory bowel disease unclassified, SD standard deviation, IQR interquartile range, PCDAI Pediatric Crohn’s Disease Activity Index, PUCAI Pediatric Ulcerative Disease Activity Index, VDZ vedolizumab, pMS partial Mayo score, TNF tumour necrosis factor, CS corticosteroids, BUD budesonide, AZA azathioprine, MP 6-mercaptopurine, MTX methrotrexate, CsA cyclosporine, THA thalidomide, IFX infliximab, ADA adalimumab, GLM golimumab, CZP certolizumab, UST ustekimumab, 5-ASA,5 aminosalicylic acid, SUL sulfasalazine, RT rectal therapy, TAC tacrolimus, B1 Nonstricturing, B2 Stricturing, B3 Penetrating, P Perianal, NR not reported