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Table 3 Summary of published reports describing pediatric patients with JIA receiving influenza vaccine

From: Immunogenicity and safety of influenza vaccination in patients with juvenile idiopathic arthritis on biological therapy using the microneutralization assay

Article

Vaccination season Vaccine type

Methodology antibody response

Number of JIA patients

Number of controls

Number of JIA patients on biological therapy

Adverse events (AE)

Efficacy (seroprotection) according to group and vaccine type

Time post-vaccination

Toplak et al. [18]. 2012

Slovenia

2008/2009 A/(H1N1)pdm, H3N2,B

Virus neutralization test

31

14

anti-TNFα

4

Short-term AE:

JIA 35%

Control 36%

JIA

100%H1N1

100% H3N2

84%B

1 month

Pain at injection site:

JIA 32%

Control 21%

anti-TNFα

75%H1N1

75%H3N2

10% B

Malaise and headache:

JIA 3%

Control 14%

No severe AE

Control

100% H1N1

100%H3N2

78%B

Malleson et al. [6]. 1993

Canada

1991/1992-2008/2009 A/(H1N1)pdm, H3N2,B

HAI

26

13

0

Soreness and redness at injection site:

JIA 69% and 15%

Control 69% and 8%

JIA

100% H1N1

97% H3N2

97% B

4 - 6 week

Fever and feeling unwell:

JIA 19% and 46% Control 8% and 26%

No severe AE

Control

90% H1N1

90% H3N2

90% B

Dell’ Era et al. [25]. 2012

Italy

2010/2011-2008/2009 A/(H1N1)pdm, H3N2,B

HAI

60

30

Etanercept

30

Local AE:

JIA with DMARD 43.3%

JIA with Etanercept 36.7%

Control 40%

Systemic AE:

JIA with DMARD 30%

JIA with Etanercept 26.7% Control 26.7%

Severe AE:

JIA with DMARD 3.3%

JIA with Etanercept 3.3%

JIA with DMARD

100% H1N1

100% H3N2

83.3% B

JIA with Etanercept

100% H1N1

100% H3N2

30% B

Control

100% H1N1

100% H3N2

93,3% B

1 month

Aikawa et al. [26]. 2013

Brazil

2009 A/(H1N1)pdm

HAI

95

91

anti-TNFα

16

Local pain:

JIA 21.1%

Control 23.1%

JIA

88.4% H1N1

anti-TNFα

100% H1N1

Control

95.6% H1N1

3 weeks

No severe AE

Shinoki et al. [9]. 2012

Japan

2007/2008 A/(H1N1)pdm, H3N2,B

HAI

27

17

Tocilizumab

27

Local AE:

JIA14.8%

Control 0%

JIA

88.9% H1N1

85.2% H3N2

40.7% B

4 -7 weeks

No severe AE

Control

76.5% H1N1

100% H3N2

35.3% B

Miraglia et al. [5]. 2011

Brazil

2009 A/(H1N1)pdm

HAI

83

-

Not specified

1.3% redness, 20% malaise JIA

JIA

85.5% H1N1

3 weeks

No severe AE

Carvalho et al. [8]. 2013

Brazil

2008

A/(H1N1)pdm, H3N2,B

HAI

44

10

anti-TNFα

5

Local pain

JIA 13.6%

Control 10%

Other local change

JIA4.5%

Control 10%

JIA

100% H1N1

93% H3N2

95% B

Anti TNFα

60% H1N1

100% H3N2

80% B

Control

100% H1N1

80% H3N2

100 B

30-40 days

  1. HAI hemagglutination inhibition, DMARDS disease-modifying anti-rheumatic drugs. Severe AE: defined as patients requiring hospitalization or iv treatment