Influenza

Flulaval by GlaxoSmithKline (Quadrivalent Influenza)

Captured 2022-12-09
Document Highlights

Initial U.S. Approval: 2013

FLULAVAL QUADRIVALENT is a vaccine indicated for active immunization for the prevention of disease caused by influenza A subtype viruses and type B viruses… approved for use in persons aged 6 months and older.

CONTRAINDICATIONS
History of severe allergic reactions (e.g., anaphylaxis) to any component of the vaccine, including egg protein

6 [months] through 35 months…
Unsolicited adverse events occurring within 28 days of vaccination were reported in 46%
The unsolicited adverse reactions that occurred most frequently (≥1%) for FLULAVAL QUADRIVALENT included upper respiratory tract infection, cough, diarrhea, pyrexia, vomiting, and rash.

Serious adverse events occurring during the study period (approximately 6 months) were reported in 2%

3 through 8 years…
The frequency of unsolicited adverse events occurring within 28 days of vaccination was33%
The unsolicited adverse reactions that occurred most frequently (≥1% for FLULAVAL QUADRIVALENT) included diarrhea, pyrexia, gastroenteritis, nasopharyngitis, upper respiratory tract infection, varicella, cough, and rhinorrhea.

Serious adverse events occurring within 28 days of any vaccination were reported in 0.7% of subjects who received FLULAVAL QUADRIVALENT…

3 through 17 years (mean age: 9 years)…
Unsolicited adverse events occurring within 28 days of vaccination were reported in 30%
The unsolicited adverse reactions that occurred most frequently (≥1% for FLULAVAL QUADRIVALENT) included vomiting, pyrexia, bronchitis, nasopharyngitis, pharyngitis, upper respiratory tract infection, headache, cough, oropharyngeal pain, and rhinorrhea.

18 years and older (mean age: 50 years)…
Unsolicited adverse events occurring within 21 days of vaccination were reported in 19%
The unsolicited adverse reactions that occurred most frequently (≥1% for FLULAVAL QUADRIVALENT) included nasopharyngitis, upper respiratory tract infection, headache, cough, and oropharyngeal pain.

Postmarketing Experience
– Lymphadenopathy.
– Eye pain, photophobia.
– Dysphagia, vomiting.
– Chest pain, injection site inflammation, asthenia, injection site rash, influenza-like symptoms, abnormal gait, injection site bruising, injection site sterile abscess.
– Allergic reactions including anaphylaxis, angioedema.
– Rhinitis, laryngitis, cellulitis.
– Muscle weakness, arthritis.
– Dizziness, paresthesia, hypoesthesia, hypokinesia, tremor, somnolence, syncope, Guillain-Barré syndrome, convulsions/seizures, facial or cranial nerve paralysis, encephalopathy, limb paralysis.
– Insomnia.
– Dyspnea, dysphonia, bronchospasm, throat tightness.
– Urticaria, localized or generalized rash, pruritus, sweating.
– Flushing, pallor.

…prepared from virus propagated in… embryonated hens’ eggs.

Each 0.5-mL dose may also contain residual amounts of ovalbumin… polysorbate 80…

FLULAVAL QUADRIVALENT has not been evaluated for carcinogenic, mutagenic potential, or male infertility in animals.

Comments

Flulaval was not tested for safety in a placebo-controlled clinical trial.

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