Fluenz nasal spray suspension Influenza vaccine (live attenuated, nasal)

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  • This medicinal product is subject to additional monitoring. This will allow quick identification of new safety information. Healthcare professionals are asked to report any suspected adverse reactions. See section 4.8 for how to report adverse reactions.
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1. Name of the medicinal product

FLUENZ nasal spray suspension

Influenza vaccine (live attenuated, nasal)

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2. Qualitative and quantitative composition

Reassortant influenza virus* (live attenuated) of the following strains**:

A/California/7/2009 (H1N1)pdm09-like strain

(A/California/7/2009, MEDI 228029)

 

107.0±0.5 FFU***

A/Victoria/361/2011 (H3N2)-like strain

(A/Texas/50/2012, MEDI 237514)

 

107.0±0.5 FFU***

B/Massachusetts/2/2012-like strain

(B/Massachusetts/2/2012, MEDI 237751)

 

107.0±0.5 FFU***

..........................................................................................................................per 0.2 ml dose

* propagated in fertilised hens' eggs from healthy chicken flocks.

** produced in VERO cells by reverse genetic technology. This product contains genetically modified organisms (GMOs).

*** fluorescent focus units

This vaccine complies with the WHO recommendation (Northern Hemisphere) and EU decision for the 2013/2014 season.

The vaccine may contain residues of the following substances: egg proteins (e.g. ovalbumin) and gentamicin.

For the full list of excipients, see section 6.1.

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3. Pharmaceutical form

Nasal spray, suspension

The suspension is colourless to pale yellow, clear to opalescent. Small white particles may be present.

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4. Clinical particulars
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4.1 Therapeutic indications

Prophylaxis of influenza in individuals 24 months to less than 18 years of age.

The use of FLUENZ should be based on official recommendations.

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4.2 Posology and method of administration

Posology

Children and adolescents from 24 months:

0.2 ml (administered as 0.1 ml per nostril).

For children who have not previously been vaccinated against seasonal influenza, a second dose should be given after an interval of at least 4 weeks.

FLUENZ should not be used in infants and toddlers below 24 months of age because of safety concerns (see section 4.4).

Method of administration

Immunisation must be carried out by nasal administration.

DO NOT INJECT FLUENZ.

See section 6.6 for administration instructions.

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4.3 Contraindications

Hypersensitivity to the active substances or to any of the excipients listed in section 6.1 (e.g. gelatin), or to gentamicin (a possible trace residue), eggs or egg proteins (e.g. ovalbumin).

Children and adolescents who are clinically immunodeficient due to conditions or immunosuppressive therapy such as: acute and chronic leukaemias; lymphoma; symptomatic HIV infection; cellular immune deficiencies; and high-dose corticosteroids. FLUENZ is not contraindicated for use in individuals with asymptomatic HIV infection; or individuals who are receiving topical/inhaled corticosteroids or low-dose systemic corticosteroids or those receiving corticosteroids as replacement therapy, e.g. for adrenal insufficiency.

Children and adolescents younger than 18 years of age receiving salicylate therapy because of the association of Reye's syndrome with salicylates and wild-type influenza infection.

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4.4 Special warnings and precautions for use

As with most vaccines, appropriate medical treatment and supervision should always be readily available in case of an anaphylactic event following the administration of FLUENZ.

FLUENZ should not be administered to children and adolescents with severe asthma or active wheezing because these individuals have not been adequately studied in clinical studies.

Do not administer FLUENZ to infants and toddlers younger than 12 months. In a clinical study, an increase in hospitalisations was observed in infants and toddlers younger than 12 months after vaccination (see section 4.8). It is not recommended to administer FLUENZ to infants and toddlers 12-23 months of age. In a clinical study, an increased rate of wheezing was observed in infants and toddlers 12-23 months of age after vaccination (see section 4.8).

Vaccine recipients should be informed that FLUENZ is an attenuated live virus vaccine and has the potential for transmission to immunocompromised contacts. Vaccine recipients should attempt to avoid, whenever possible, close association with severely immunocompromised individuals (e.g. bone marrow transplant recipients requiring isolation) for 1-2 weeks following vaccination. Peak incidence of vaccine virus recovery occurred 2-3 days post-vaccination in clinical studies. In circumstances where contact with severely immunocompromised individuals is unavoidable, the potential risk of transmission of the influenza vaccine virus should be weighed against the risk of acquiring and transmitting wild-type influenza virus.

FLUENZ should under no circumstances be injected.

No data exist regarding the safety of intranasal administration of FLUENZ in children with unrepaired craniofacial malformations.

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4.5 Interaction with other medicinal products and other forms of interaction

Do not administer FLUENZ to children and adolescents younger than 18 years of age receiving salicylate therapy (see section 4.3). Do not use salicylates in children and adolescents younger than 18 years of age for 4 weeks after vaccination unless medically indicated as Reye's syndrome has been reported following the use of salicylates during wild-type influenza infection.

The co-administration of FLUENZ with the live attenuated vaccines: measles, mumps, rubella, varicella, and orally-administered poliovirus has been studied. No clinically meaningful changes in immune responses to measles, mumps, varicella, orally-administered poliovirus or FLUENZ have been observed. The immune response to rubella vaccine was significantly altered. However, this alteration might not be of clinical relevance with the two dose immunisation schedule of the rubella vaccine.

The co-administration of FLUENZ with inactivated vaccines has not been studied.

The concurrent use of FLUENZ with antiviral agents that are active against influenza A and/or B viruses has not been evaluated. However, based upon the potential for influenza antiviral agents to reduce the effectiveness of FLUENZ, it is recommended not to administer the vaccine until 48 hours after the cessation of influenza antiviral therapy. Administration of influenza antiviral agents within two weeks of vaccination may affect the response of the vaccine.

If influenza antiviral agents and FLUENZ are administered concomitantly, revaccination should be considered when appropriate.

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4.6 Fertility, pregnancy and lactation

Pregnancy

There are limited data from the use of FLUENZ in pregnant women.

While animal studies do not indicate direct or indirect harmful effects with respect to reproductive toxicity, FLUENZ is not recommended during pregnancy.

Breastfeeding

It is not known whether FLUENZ is excreted in human milk. Therefore, as some viruses are excreted in human milk, FLUENZ should not be used during breastfeeding.

Fertility

No data exist regarding the possible effects of FLUENZ on male and female fertility.

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4.7 Effects on ability to drive and use machines

The vaccine is unlikely to have an effect on the ability to drive and use machines.

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4.8 Undesirable effects

Summary of the safety profile

Safety data regarding use of FLUENZ have been compiled from over 28,500 children and adolescents 2 to 17 years of age from clinical studies and over 52,500 children and adolescents from post-authorisation safety studies. Additional experience has occurred with marketed use of this vaccine.

Although safety in children and adolescents with mild to moderate asthma has been established, data in children with other pulmonary diseases or with chronic cardiovascular, metabolic or renal diseases are limited. In studies of adults in which a high percentage of individuals had underlying chronic medical conditions, the safety profile of FLUENZ was comparable to the safety profile observed in individuals without these conditions.

Summary of adverse reactions

The most common adverse reaction observed in clinical studies was nasal congestion/rhinorrhoea.

Adverse reaction frequencies are reported as:

Very common (≥ 1/10)

Common (≥ 1/100 to < 1/10)

Uncommon (≥ 1/1,000 to < 1/100)

Very rare (< 1/10,000)

Immune system disorders

Uncommon: Hypersensitivity reactions (including facial oedema, urticaria and very rare anaphylactic reactions)

Metabolism and nutrition disorders

Very common: Decreased appetite

Nervous system disorders

Very common: Headache

Respiratory, thoracic, and mediastinal disorders

Very common: Nasal congestion/rhinorrhoea

Uncommon: Epistaxis

Skin and subcutaneous tissue disorders

Uncommon: Rash

Musculoskeletal and connective tissue disorders

Common: Myalgia

General disorders and administration site conditions

Very common: Malaise

Common: Pyrexia

In an active-controlled clinical study (MI-CP111), an increased rate of hospitalisations (for any cause) through 180 days after final vaccination dose was observed in infants and toddlers 6-11 months of age (6.1% FLUENZ versus 2.6% injectable influenza vaccine). The rate of hospitalisations was not increased in FLUENZ recipients 12 months and older. In the same study, an increased rate of wheezing through 42 days was observed in infants and toddlers 6-23 months of age (5.9% FLUENZ versus 3.8% injectable influenza vaccine). The rate of wheezing was not increased in FLUENZ recipients 24 months and older. FLUENZ is not indicated for use in infants and toddlers younger than 24 months (see section 4.4).

Very rare reports of Guillain-Barré syndrome and exacerbation of symptoms of Leigh syndrome (mitochondrial encephalomyopathy) have also been observed in the post-marketing setting.

Reporting of suspected adverse reactions

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked to report any suspected adverse reactions via:

United Kingdom

Yellow Card Scheme

Website: www.mhra.gov.uk/yellowcard

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4.9 Overdose

There have been occasional reports of administration of twice the recommended dose of FLUENZ in the post-marketing setting. The adverse reactions reported were similar to those seen with the recommended single dose of FLUENZ.

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5. Pharmacological properties
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5.1 Pharmacodynamic properties

Pharmacotherapeutic group: Influenza vaccines, influenza live attenuated; ATC Code: J07BB03

The influenza virus strains in FLUENZ are (a) cold-adapted (ca); (b) temperature-sensitive (ts); and (c) attenuated (att). As a result, they replicate in the nasopharynx and induce protective immunity.

Efficacy

FLUENZ has been administered to over 30,000 individuals in controlled clinical studies over multiple years, in various regions and using different vaccine strains.

Paediatric studies

FLUENZ's efficacy data in the paediatric population consist of 9 controlled studies comprising over 20,000 infants and toddlers, children and adolescents, conducted during 7 influenza seasons. Four placebo-controlled studies included second season revaccination. FLUENZ has demonstrated superiority in 3 active-controlled studies with injectable influenza vaccine. See Table 1 and 2 for a summary of efficacy results in the paediatric population.

Table 1 FLUENZ Efficacy in Placebo Controlled Paediatric Studies

Study Number

Region

Age Rangea

Number of Study Participants

Influenza Season

Efficacy

(95% CI)b

Matched strains

Efficacy

(95% CI)b

All strains regardless of match

D153-P502

Europe

6 to 35 M

1,616

2000-2001

85.4%

(74.3, 92.2)

85.9%

(76.3, 92.0)

2001-2002

88.7%

(82.0, 93.2)

85.8%

(78.6, 90.9)

D153-P504

Africa, Latin America

6 to 35 M

1,886

2001

73.5%

(63.6, 81.0)c

72.0%

(61.9, 79.8)c

2002

73.6%

(33.3, 91.2)

46.6%

(14.9, 67.2)

D153-P513

Asia/ Oceania

6 to 35 M

2,107

2002

62.2%

(43.6, 75.2)

48.6%

(28.8, 63.3)

D153-P522

Europe, Asia/ Oceania, Latin America

11 to 24 M

1,150

2002-2003

78.4%

(50.9, 91.3)

63.8%

(36.2, 79.8)

D153-P501

Asia/ Oceania

12 to 35 M

2,764

2000-2001

72.9%

(62.8, 80.5)

70.1%

(60.9, 77.3)

2001-2002

84.3%

(70.1, 92.4)d

64.2%

(44.2, 77.3)d

AV006

USA

15 to 71 M

1,259

1996-1997

93.4%

(87.5, 96.5)

93.4%

(87.5, 96.5)

1997-1998

100%

(63.1, 100)

87.1%

(77.7, 92.6)e

a M = months

b Reduction in culture-confirmed influenza illness relative to placebo.

c Data presented for clinical trial D153-P504 are for study participants who received two doses of study vaccine. In previously unvaccinated study participants who received one dose in year 1, efficacy was 57.7% (95% CI: 44.7, 67.9) and 56.3% (95% CI: 43.1, 66.7), respectively, thus supporting the need for two doses of vaccine in previously unvaccinated children.

d In study participants who received 2 doses in year 1 and placebo in year 2, efficacy in year 2 was 56.2% (95% CI: 30.5, 72.7) and 44.8% (95% CI: 18.2, 62.9), respectively, in D153-P501, thus supporting the need for second-season revaccination.

e The primary circulating strain was antigenically dissimilar from the H3N2 strain represented in the vaccine; efficacy against the mismatched A/H3N2 strain was 85.9% (95% CI: 75.3, 91.9).

Table 2 FLUENZ Relative Efficacy in Active-controlled Paediatric Studies with Injectable Influenza Vaccine

Study Number

Region

Age Rangea

Number of Study Participants

Influenza Season

Improved Efficacy

(95% CI)b

Matched strains

Improved Efficacy

(95% CI)b

All strains regardless of match

MI-CP111

USA, Europe, Asia/ Oceania

6 to 59 M

7,852

2004-2005

44.5%

(22.4, 60.0)

fewer cases than injectable

54.9%

(45.4, 62.9)c

fewer cases than injectable

D153-P514

Europe

6 to 71 M

2,085

2002-2003

52.7%

(21.6, 72.2)

fewer cases than injectable

52.4%

(24.6, 70.5)d

fewer cases than injectable

D153-P515

Europe

6 to 17 Y

2,211

2002-2003

34.7%

(3.9, 56.0)

fewer cases than injectable

31.9%

(1.1, 53.5)

fewer cases than injectable

a M = months. Y = years. Age range as described in the protocol for the study.

b Reduction in culture-confirmed influenza illness relative to injectable influenza vaccine.

c FLUENZ demonstrated 55.7% (39.9, 67.6) fewer cases than injectable influenza vaccine in 3,659 infants and toddlers 6-23 months of age and 54.4% (41.8, 64.5) fewer cases in 4,166 children 24-59 months of age.

d FLUENZ demonstrated 64.4% (1.4, 88.8) fewer cases than injectable influenza vaccine in 476 infants and toddlers 6-23 months of age and 48.2% (12.7, 70.0) fewer cases in 1,579 children 24-71 months of age.

Adult studies

Several studies against placebo have shown that FLUENZ may have some efficacy in adults. However, a conclusion on clinical benefit of this vaccine in adults could not be made given that results observed in some studies versus injectable influenza vaccines were suggestive of a lower efficacy of FLUENZ.

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5.2 Pharmacokinetic properties

Not applicable.

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5.3 Preclinical safety data

Non-clinical data with FLUENZ reveal no special hazard for humans based on conventional non-clinical studies of repeated dose toxicity, reproduction and developmental toxicity, local tolerance, and neurovirulence.

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6. Pharmaceutical particulars
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6.1 List of excipients

Sucrose

Dibasic potassium phosphate

Monobasic potassium phosphate

Gelatin (porcine, Type A)

Arginine hydrochloride

Monosodium glutamate monohydrate

Water for injections

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6.2 Incompatibilities

In the absence of compatibility studies, this medicinal product must not be mixed with other medicinal products.

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6.3 Shelf life

18 weeks.

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6.4 Special precautions for storage

Store in a refrigerator (2°C – 8°C).

Do not freeze.

Protect from light.

Before use, the vaccine may be taken out of the refrigerator, without being replaced, for a maximum period of 12 hours at a temperature not above 25°C. If the vaccine has not been used after this 12-hour period, it should be disposed of.

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6.5 Nature and contents of container

FLUENZ is supplied as a 0.2 ml suspension in a single-use nasal applicator (Type 1 glass), with nozzle (polypropylene with polyethylene transfer valve), nozzle tip-protector cap (synthetic rubber), plunger rod, plunger-stopper (butyl rubber), and a dose-divider clip.

Pack size of 10.

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6.6 Special precautions for disposal and other handling

Administration

FLUENZ IS FOR NASAL USE only.

• DO NOT USE WITH A NEEDLE. Do not inject.

NEEDLE

• FLUENZ is administered as a divided dose in both nostrils.

• After administering half of the dose in one nostril, administer the other half of the dose in the other nostril immediately or shortly thereafter.

• The patient can breathe normally while the vaccine is being administered – there is no need to actively inhale or sniff.

• Refer to the FLUENZ administration diagram (Figure 1) for step-by-step administration instructions.

Figure 1 FLUENZ Administration

 

 

 

Check expiry date

Product must be used before date on applicator label.

Prepare the applicator

Remove rubber tip protector. Do not remove dose-divider clip at the other end of the applicator.

Position the applicator

With the patient in an upright position, place the tip just inside the nostril to ensure FLUENZ is delivered into the nose.

 

 

 

Depress the plunger

With a single motion, depress plunger as rapidly as possible until the dose-divider clip prevents you from going further.

Remove dose-divider clip

For administration in the other nostril, pinch and remove the dose-divider clip from plunger.

Spray in other nostril

Place the tip just inside the other nostril and with a single motion, depress plunger as rapidly as possible to deliver remaining vaccine.

Any unused medicinal product or waste material should be disposed of in accordance with local requirements for medical waste.

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7. Marketing authorisation holder

MedImmune, LLC

Lagelandseweg 78

6545 CG Nijmegen

Netherlands

(Tel) +31 24 371 7310

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8. Marketing authorisation number(s)

EU/1/10/661/002

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9. Date of first authorisation/renewal of the authorisation

Date of first authorisation: 27 January 2011

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10. Date of revision of the text

21 October 2013

Detailed information on this medicinal product is available on the website of the European Medicines Agency http://www.ema.europa.eu/.

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AstraZeneca UK Limited
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Customer Care direct line : +44 (0)1582 837 837
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Medical Information e-mail : medical.informationuk@astrazeneca.com
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