Influenza

Flucelvax by Seqirus (Quadrivalent Influenza)

Captured 2022-12-09
Document Highlights

Initial U.S. Approval: 2016

FLUCELVAX QUADRIVALENT is an inactivated vaccine indicated for active immunization for the prevention of influenza disease caused by influenza virus subtypes A and types B… approved for use in persons 6 months of age and older.

[U]nsolicited adverse events (for children 6 months to 3 years of age) were collected for 28 days after last vaccinationunsolicited adverse events were reported in 26.2% of subjects

[S]erious adverse events… were collected throughout the study duration (until 6 months after last vaccination) and were reported by 0.9%

Unsolicited adverse events were collected for 21 days after vaccination. In adults 18 years of age and older, unsolicited adverse events were reported in 16.1%

[S]erious adverse eventswere collecteduntil 6 months after vaccinationand were reported by 3.9%

Postmarketing Experience
– Allergic or immediate hypersensitivity reactions, including anaphylactic shock.
– Syncope, presyncope, paresthesia.
– Generalized skin reactions including pruritus, urticaria or non-specific rash.
– Extensive swelling of injected limb.

[V]accine viruses… are propagated in Madin Darby Canine Kidney (MDCK*) cells

Each dose… may contain residual amounts of MDCK cell proteinMDCK cell DNA… polysorbate 80…

5 mL multi-dose vials contain thimerosal, a mercury derivative, added as a preservative. Each 0.5 mL dose from the multi-dose vial contains 25 mcg mercury.

FLUCELVAX QUADRIVALENT has not been evaluated for carcinogenic or mutagenic potential, or for impairment of male fertility in animals.

Comments

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

Why this is important.

*MDCK cells were isolated from kidney tissue from an adult, female cocker spaniel.

Source: ATCC.org