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Table 2 Clinical characteristics and treatment of reported patients with secondary amyloidosis related to juvenile idiopathic arthritis

From: Clinical improvement of renal amyloidosis in a patient with systemic-onset juvenile idiopathic arthritis who received tocilizumab treatment: a case report and literature review

Reference

Age (y)/Sex

Duration of JIA before diagnosis of amyloidosis (y)

Systemic features of JIAa

ESR or CRP, Initial to last FU (mm/h or mg/dL)

Organ involvement of amyloidosis

eGFR, initial to last FU (mL/1.73 m2/min)

Proteinuria, Initial to last FU (mg/day)

Treatment before diagnosis of amyloidosis

Additive treatment after diagnosis of amyloidosis

Duration of FU after diagnosis of amyloidosis

Efficacy of amyloidosis treatment

Duarte et al. 2005 [18]

9/F

5.5

Yes

ESR 125 to 27

Renal

NA

UPCR (mg/mmol) 1057 to 47

MTX, CSA, GCs, and ETA

CRB

14 months

Yes

Okuda et al. 2006 [30]

26/F

12

No

CRP 15 to 0.03

GI, Renal

66 to 124

700 to normal

ATM, BCL, D-PEN, SFZ, MTX, and GCs

TCZ

42 months

Yes

Nowak et al. 2009 [31]

31/F

10

No

ESR 40 to 26

Renal

38.6 to 140

5600 to <1100

CRB, GCs, and various DMARDs

ADA

20 weeks

Yes

Cantarini et al. 2009 [8]

9/F

2

Yes

CRP 14.7 to NA

Renal

NA

18,130 to NA

MTX, CSA, and GCs

COL, ↑ dose of MTX

NA (lost to FU)

NA (lost to FU)

Hakala et al. 2013 [32]

29/F

23

NA

CRP 64 to normal

Renal

27 to 51

1300 to normal

CYC, GCs, and various DMARDs

ADA, ETA, INF, ANA, ABA, TCZ

24 months

Yes

Saha et al. 2013 [19]

12/F

3

Yes

NA

Renal

128 to 128

UPCR (mg/g) 12.5 to 1.5

MTX, HCQ, and GCs

LFN

18 months

Yes

  1. aFever, hepatosplenomegaly, lymphadenopathy, and serositis
  2. F female, JIA juvenile idiopathic arthritis, ESR erythrocyte sedimentation rate, CRP C-reactive protein, eGFR estimated glomerular filtration rate, FU follow-up, NA not available, UPCR urine protein-to-creatinine ratio, MTX methotrexate, CSA cyclosporine A, GCs glucocorticoids, ETA etanercept, CRB chlorambucil, GI gastrointestinal, ATM sodium aurothiomalate, BCL bucillamine, D-PEN D-penicillamine, SFZ sulfasalazine, TCZ tocilizumab, DMARDs disease-modifying anti-rheumatic drugs, ADA adalimumab, COL colchicine, CYC cyclophosphamide, INF infliximab, ANA anakinra, ABA abatacept, HCQ hydroxychloroquine, LFN leflunomide