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Table 3 Comparison of reporting rates for all suspected adverse drug reactions in the 2019/2020 enhanced passive safety surveillance with the reporting rates recorded in the Summary of Product Characteristics

From: Enhanced passive safety surveillance of the quadrivalent inactivated split-virion influenza vaccine (IIV4) in Finland during the 2019/20 influenza season

 

Current EPSS NH 2019/2020 EPSS

(irrespective of time to ADR onset)a

Vaxigrip Tetra® (Sanofi Pasteur) SmPC

Higher when compared with SmPC

MedDRA preferred term

Reported frequency (95% CI)

Corresponding ADR terms

Frequency categories if available in SmPC (eg, common, rare)

PRAC ADR of interest: decreased appetite

Decreased appetite

0.11 (0.00, 0.59) (in adults)

Appetite lost

Not available in the SmPC for adults and elderly

Not applicable

PRAC ADR of interest: injection-site reactions

Vaccination-site warmth

0.11 (0.00, 0.59) (in adults)

Injection-site warmth

Uncommon

(≥0.1 to < 1%) in children 3 to 8 years of age, adults and elderly

No

PRAC ADR of interest: myalgia/arthralgia

Joint lockb

0.11 (0.00, 0.59) (in adults)

 

Not available in the SmPCc

Not applicable

Musculoskeletal stiffnessb

0.11 (0.00, 0.59) (in adults)

 

Not available in the SmPCc

Not applicable

PRAC ADR of interest: rash

Rash

0.21 (0.03, 0.77)

Rash

Not available in the SmPC for children ≥3 years of age, adults and elderly.

Rare (≥0.01 to < 0.1%) for children from 6 to 35 months

Not applicable

Other ADRs: general disorders and administration site conditions

Adverse drug reaction

1.28

(0.56, 2.00)

(≥13 years of age

to elderly)

 

Not available in the SmPCc

Not applicable

Asthenia

0.11

(0.00, 0.59)

(in adults)

Asthenia

Rare

(≥0.01 to < 0.1%)

Yes

Inflammation

0.11

(0.00, 0.59)

(in adults)

 

Not available in the SmPC for adults and elderly

Not applicable

Secretion discharge

0.11

(0.00, 0.59)

(in adults)

 

Not available in the SmPC for adults and elderly

Not applicable

Sluggishness

0.11

(0.00, 0.59)

(in adults)

 

Not available in the SmPC for adults and elderly

Not applicable

Swellingd

0.21

(0.03, 0.77)

(in adults)

 

Not available in the SmPCc

Not applicable

Tenderness

0.11

(0.00, 0.59)

(in elderly)

Injection-site pain

Very common

(≥10%) in adults and elderly

No

Other ADRs: infections and infestations

Influenza

0.43

(0.12, 1.09)

(in adults)

As with any vaccine, vaccination with Vaxigrip Tetra® (Sanofi Pasteur) may not protect all vaccinees

Not available in the SmPCc

Not applicable

Other ADRs:

musculoskeletal and connective tissue disorders

Neck pain

0.11

(0.00, 0.59)

(in adults)

 

Not available in the SmPCc

Not applicable

Other ADRs:

nervous system disorders

Somnolence

0.11

(0.00, 0.59)

(in adults)

Somnolence

Rare

(≥0.01 to < 0.1%)

Yes

Other ADRs:

psychiatric disorders

Delusion

0.11

(0.00, 0.59)

(in adults)

 

Not available in the SmPCc

Not applicable

Other ADRs:

respiratory, thoracic, and mediastinal disorders

Wheezing

0.11

(0.00, 0.59)

(in adults)

 

Not available in the SmPCc

Not applicable

Other ADRs:

skin and subcutaneous tissue disorders

Erythema

0.11

(0.00, 0.59)

(in adults)

Hypersensitivity, allergic reactions such as erythema, urticaria, pruritus, pruritus generalized, dermatitis allergic, angioedema

Rare

(≥0.01 to < 0.1%) in adults

Yes

Other ADRs:

vascular disorders

Flushing

0.11

(0.00, 0.59)

(in adults)

Hot flush

Uncommon

(≥0.1 to < 1%)

No

  1. aValues in bold are reactions that have higher values in the current study compared with the rates reported in the SmPC
  2. bEvents considered as equivalent to the PRAC adverse events of special interest ‘myalgia/arthralgia’ (in adults and elderly, the SmPC reporting frequency is very common for myalgia and rare for arthralgia)
  3. cUnlisted ADR for all age groups
  4. dOne ADR was likely to be injection-site swelling, which is a listed event with no information available for the second ADR
  5. Abbreviations: ADR adverse drug reaction; CI confidence interval; EPSS Enhanced Passive Safety Surveillance; MedDRA Medical Dictionary for Regulatory Activities; NH northern hemisphere; PRAC Pharmacovigilance Risk Assessment Committee; SmPC Summary of Product Characteristics