FLUZONE HIGH-DOSE- influenza a virus a/michigan/45/2015 x-275 (h1n1) antigen (formaldehyde inactivated), influenza a virus a/singapore/infimh-16-0019/2016 ivr-186 (h3n2) antigen (formaldehyde inactivated), and influenza b virus b/maryland/15/2016 bx-69a (a b/colorado/6/2017-like virus) antigen (formaldehyde inactivated) injection, suspension
FLUZONE HIGH-DOSE- influenza a virus a/michigan/45/2015 x-275 (h1n1) antigen (formaldehyde inactivated), influenza a virus a/singapore/infimh-16-0019/2016 ivr-186 (h3n2) antigen (formaldehyde inactivated), and influenza b virus b/maryland/15/2016 bx-69a (a b/colorado/6/2017-like virus) antigen (formaldehyde inactivated) injection, suspension
Sanofi Pasteur Inc.
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HIGHLIGHTS OF PRESCRIBING INFORMATIONThese highlights do not include all the information needed to use Fluzone® High-Dose safely and effectively. See full prescribing information for Fluzone High-Dose.
Fluzone High-Dose (Influenza Vaccine) Suspension for Intramuscular Injection 2019-2020 Formula Initial U.S. Approval: 2009 INDICATIONS AND USAGEDOSAGE AND ADMINISTRATION
A single 0.5 mL dose for intramuscular injection in adults 65 years of age and older. (2.1) DOSAGE FORMS AND STRENGTHSSuspension for injection in prefilled syringe (gray plunger rod), 0.5 mL. (3) CONTRAINDICATIONSSevere allergic reaction to any component of the vaccine, including egg protein, or after previous dose of any influenza vaccine. (4) WARNINGS AND PRECAUTIONS
ADVERSE REACTIONS
To report SUSPECTED ADVERSE REACTIONS, contact Sanofi Pasteur Inc., Discovery Drive, Swiftwater, PA 18370 at 1-800-822-2463 (1-800-VACCINE) or VAERS at 1-800-822-7967 or www.vaers.hhs.gov. See 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling. Revised: 4/2023 |
Fluzone® High-Dose is a vaccine indicated for active immunization for the prevention of influenza disease caused by influenza A subtype viruses and type B virus contained in the vaccine.
Fluzone High-Dose is approved for use in persons 65 years of age and older.
Fluzone High-Dose should be administered as a single 0.5 mL injection by the intramuscular route in adults 65 years of age and older.
Inspect Fluzone High-Dose visually for particulate matter and/or discoloration prior to administration. If either of these conditions exist, the vaccine should not be administered.
Before administering a dose of vaccine, shake the prefilled syringe.
The preferred site for intramuscular injection is the deltoid muscle. The vaccine should not be injected into the gluteal area or areas where there may be a major nerve trunk.
Do not administer this product intravenously or subcutaneously.
Fluzone High-Dose should not be combined through reconstitution or mixed with any other vaccine.
Fluzone High-Dose is a suspension for injection.
Fluzone High-Dose is supplied in prefilled syringes (gray syringe plunger rod), 0.5 mL, for adults 65 years of age and older.
A severe allergic reaction (e.g., anaphylaxis) to any component of the vaccine [see Description (11)], including egg protein, or to a previous dose of any influenza vaccine is a contraindication to administration of Fluzone High-Dose.
If Guillain-Barré syndrome (GBS) has occurred within 6 weeks following previous influenza vaccination, the decision to give Fluzone High-Dose should be based on careful consideration of the potential benefits and risks. The 1976 swine influenza vaccine was associated with an elevated risk of GBS. Evidence for a causal relation of GBS with other influenza vaccines is inconclusive; if an excess risk exists, it is probably slightly more than 1 additional case per 1 million persons vaccinated. (See references 1 and 2.)
Appropriate medical treatment and supervision must be available to manage possible anaphylactic reactions following administration of the vaccine.
Because clinical trials are conducted under widely varying conditions, adverse event rates observed in the clinical trial(s) of a vaccine cannot be directly compared to rates in the clinical trial(s) of another vaccine and may not reflect the rates observed in practice.
Two clinical studies have evaluated the safety of Fluzone High-Dose.
Study 1 (NCT00391053, see http://clinicaltrials.gov) was a multi-center, double-blind pre-licensure trial conducted in the US. In this study, adults 65 years of age and older were randomized to receive either Fluzone High-Dose or Fluzone (2006-2007 formulation). The study compared the safety and immunogenicity of Fluzone High-Dose to those of Fluzone. The safety analysis set included 2573 Fluzone High-Dose recipients and 1260 Fluzone recipients.
Table 1 summarizes solicited injection-site reactions and systemic adverse events reported within 7 days post-vaccination via diary cards. Onset was usually within the first 3 days after vaccination and a majority of the reactions resolved within 3 days. Solicited injection-site reactions and systemic adverse events were more frequent after vaccination with Fluzone High-Dose compared to Fluzone.
Fluzone High-Dose (N†=2569-2572) Percentage | Fluzone (N†=1258-1260) Percentage |
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Any | Moderate‡ | Severe§ | Any | Moderate‡ | Severe§ | |
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Injection-Site Pain | 35.6 | 3.7 | 0.3 | 24.3 | 1.7 | 0.2 |
Injection-Site Erythema | 14.9 | 1.9 | 1.8 | 10.8 | 0.8 | 0.6 |
Injection-Site Swelling | 8.9 | 1.6 | 1.5 | 5.8 | 1.3 | 0.6 |
Myalgia | 21.4 | 4.2 | 1.6 | 18.3 | 3.2 | 0.2 |
Malaise | 18.0 | 4.7 | 1.6 | 14.0 | 3.7 | 0.6 |
Headache | 16.8 | 3.1 | 1.1 | 14.4 | 2.5 | 0.3 |
Fever¶ (≥99.5°F) | 3.6 | 1.1 | 0.0 | 2.3 | 0.2 | 0.1 |
Within 6 months post-vaccination, 156 (6.1%) Fluzone High-Dose recipients and 93 (7.4%) Fluzone recipients experienced a serious adverse event (SAE). No deaths were reported within 28 days post-vaccination. A total of 23 deaths were reported during Days 29 – 180 post-vaccination: 16 (0.6%) among Fluzone High-Dose recipients and 7 (0.6%) among Fluzone recipients. The majority of these participants had a medical history of cardiac, hepatic, neoplastic, renal, and/or respiratory diseases. These data do not provide evidence for a causal relationship between deaths and vaccination with Fluzone High-Dose.
Study 2 (NCT01427309, see http://clinicaltrials.gov) was a multi-center, double-blind post-licensure efficacy trial conducted in the US and Canada over two influenza seasons. In this study, adults 65 years of age and older were randomized to receive either Fluzone High-Dose or Fluzone (2011-2012 and 2012-2013 formulations). The study compared the efficacy and safety of Fluzone High-Dose to those of Fluzone. The safety analysis set included 15,992 Fluzone High-Dose recipients and 15,991 Fluzone recipients.
Within the study surveillance period (approximately 6 to 8 months post-vaccination), 1323 (8.3%) Fluzone High-Dose recipients and 1442 (9.0%) Fluzone recipients experienced an SAE. Within 30 days post-vaccination, 204 (1.3%) Fluzone High-Dose recipients and 200 (1.3%) Fluzone recipients experienced an SAE. The majority of these participants had one or more chronic comorbid illnesses. A total of 167 deaths were reported within 6 to 8 months post-vaccination: 83 (0.5%) among Fluzone High-Dose recipients and 84 (0.5%) among Fluzone recipients. A total of 6 deaths were reported within 30 days post-vaccination: 6 (0.04%) among Fluzone High-Dose recipients and 0 (0%) among Fluzone recipients. These data do not provide evidence for a causal relationship between deaths and vaccination with Fluzone High-Dose.
The following events have been spontaneously reported during the post-approval use of Fluzone or Fluzone High-Dose. Because these events are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to vaccine exposure. Adverse events were included based on one or more of the following factors: severity, frequency of reporting, or strength of evidence for a causal relationship to Fluzone or Fluzone High-Dose.
Events Reported During Post-Approval Use of Fluzone or Fluzone High-Dose.
Data evaluating the concomitant administration of Fluzone High-Dose with other vaccines are not available.
Fluzone High-Dose is not approved for use in persons <65 years of age. There are limited human data and no animal data available to establish whether there is a vaccine-associated risk with use of Fluzone High-Dose in pregnancy.
Fluzone High-Dose is not approved for use in persons <65 years of age. No human or animal data are available to assess the effects of Fluzone High-Dose on the breastfed infant or on milk production/excretion.
Safety and effectiveness of Fluzone High-Dose in persons <65 years of age have not been established.
Safety, immunogenicity, and efficacy of Fluzone High-Dose have been evaluated in adults 65 years of age and older. [See Adverse Reactions (6.1) and Clinical Studies (14)]
Fluzone High-Dose (Influenza Vaccine) for intramuscular injection is an inactivated influenza vaccine, prepared from influenza viruses propagated in embryonated chicken eggs. The virus-containing allantoic fluid is harvested and inactivated with formaldehyde. Influenza virus is concentrated and purified in a linear sucrose density gradient solution using a continuous flow centrifuge. The virus is then chemically disrupted using a non-ionic surfactant, octylphenol ethoxylate (Triton® X-100), producing a "split virus". The split virus is further purified and then suspended in sodium phosphate-buffered isotonic sodium chloride solution. The Fluzone High-Dose process uses an additional concentration factor after the ultrafiltration step in order to obtain a higher hemagglutinin (HA) antigen concentration.
Fluzone High-Dose suspension for injection is clear and slightly opalescent in color.
Neither antibiotics nor preservative are used in the manufacture of Fluzone High-Dose.
The Fluzone High-Dose prefilled syringe presentation is not made with natural rubber latex.
Fluzone High-Dose is standardized according to United States Public Health Service requirements and is formulated to contain HA of each of the following three influenza strains recommended for the 2019-2020 influenza season: A/Brisbane/02/2018 IVR-190 (H1N1), A/Kansas/14/2017 X-327 (H3N2), and B/Maryland/15/2016 BX-69A (a B/Colorado/6/2017-like virus, B Victoria lineage). The amounts of HA and other ingredients per dose of vaccine are listed in Table 2.
Ingredient | Quantity (per dose) |
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Fluzone High-Dose 0.5 mL Dose |
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Active Substance: Split influenza virus, inactivated strains*: | 180 mcg HA total |
A (H1N1) | 60 mcg HA |
A (H3N2) | 60 mcg HA |
B | 60 mcg HA |
Other: | |
Sodium phosphate-buffered isotonic sodium chloride solution | QS† to appropriate volume |
Formaldehyde | ≤100 mcg |
Octylphenol ethoxylate | ≤250 mcg |
Gelatin | None |
Preservative | None |
Influenza illness and its complications follow infection with influenza viruses. Global surveillance of influenza identifies yearly antigenic variants. For example, since 1977, antigenic variants of influenza A (H1N1 and H3N2) viruses and influenza B viruses have been in global circulation. Specific levels of hemagglutination inhibition (HI) antibody titer post-vaccination with inactivated influenza virus vaccines have not been correlated with protection from influenza virus infection. In some human studies, antibody titers ≥1:40 have been associated with protection from influenza illness in up to 50% of participants. (See references 3 and 4.)
Antibodies against one influenza virus type or subtype confer limited or no protection against another. Furthermore, antibodies to one antigenic variant of influenza virus might not protect against a new antigenic variant of the same type or subtype. Frequent development of antigenic variants through antigenic drift is the virologic basis for seasonal epidemics and the reason for the usual change of one or more new strains in each year's influenza vaccine. Therefore, influenza vaccines are standardized to contain the hemagglutinins of influenza virus strains representing the influenza viruses likely to be circulating in the US during the influenza season.
Annual vaccination with the current vaccine is recommended because immunity during the year after vaccination declines and because circulating strains of influenza virus change from year to year.
Study 1 (NCT00391053) was a multi-center, double-blind pre-licensure trial conducted in the US in which adults 65 years of age and older were randomized to receive either Fluzone High-Dose or Fluzone (2006-2007 formulation). The study compared the safety and immunogenicity of Fluzone High-Dose to those of Fluzone. For immunogenicity analyses, 2576 participants were randomized to Fluzone High-Dose and 1275 participants were randomized to Fluzone. Females accounted for 51.3% of participants in the Fluzone High-Dose group and 54.7% of participants in the Fluzone group. In both groups, the mean age was 72.9 years (ranged from 65 through 97 years in the Fluzone High-Dose group and 65 through 94 years in the Fluzone group); 35% of participants in the Fluzone High-Dose group and 36% of participants in the Fluzone group were 75 years of age or older. Most participants in the Fluzone High-Dose and Fluzone groups, respectively, were White (91.7% and 92.9%), followed by Hispanic (4.8% and 3.7%), and Black (2.7% and 2.7%).
The primary endpoints of the study were HI GMTs and seroconversion rates 28 days after vaccination. Pre-specified statistical superiority criteria required that the lower limit (LL) of the 2-sided 95% CI of the GMT ratio (Fluzone High-Dose/Fluzone) be greater than 1.50 for at least two of the strains, and if one strain failed, non-inferiority of that strain must be demonstrated (LL>0.67), and that the lower limit of the 2-sided 95% CI of the seroconversion rate difference (Fluzone High-Dose minus Fluzone) be greater than 10% for at least two of the strains, and if one strain failed, non-inferiority of that strain must be demonstrated (LL>-10%). As shown in Table 3, statistically superior HI GMTs and seroconversion rates after vaccination with Fluzone High-Dose compared to Fluzone were demonstrated for influenza A subtypes, A (H1N1) and A (H3N2), but not for influenza type B. For strain B, non-inferiority of Fluzone High-Dose compared to Fluzone was demonstrated for both the HI GMTs and seroconversion rates.
Influenza Strain | GMT | GMT Ratio | Seroconversion %† | Difference | Met Both Pre-defined Superiority Criteria‡ | ||
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Fluzone High-Dose N§=2542-2544 | Fluzone N§=1252 | Fluzone High-Dose over Fluzone (95% CI) | Fluzone High-Dose N§=2529-2531 | Fluzone N§=1248-1249 | Fluzone High-Dose minus Fluzone (95% CI) |
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A (H1N1) | 115.8 | 67.3 | 1.7 (1.6; 1.8) | 48.6 | 23.1 | 25.4 (22.4; 28.5) | Yes |
A (H3N2) | 608.9 | 332.5 | 1.8 (1.7; 2.0) | 69.1 | 50.7 | 18.4 (15.1; 21.7) | Yes |
B | 69.1 | 52.3 | 1.3 (1.2; 1.4) | 41.8 | 29.9 | 11.8 (8.6; 15.0) | No |
Study 2 (NCT01427309) was a multi-center, double-blind post-licensure efficacy trial conducted in the US and Canada in which adults 65 years of age and older were randomized (1:1) to receive either Fluzone High-Dose or Fluzone. The study was conducted over two influenza seasons (2011-2012 and 2012-2013); 53% of participants enrolled in the first year of the study were re-enrolled and re-randomized in the second year. The per-protocol analysis set for efficacy assessments included 15,892 Fluzone High-Dose recipients and 15,911 Fluzone recipients. The majority (67%) of participants in the per-protocol analysis set for efficacy had one or more high-risk chronic comorbid conditions.
In the per-protocol analysis set, females accounted for 57.2% of participants in the Fluzone High-Dose group and 56.1% of participants in the Fluzone group. In both groups, the median age was 72.2 years (range 65 through 100 years). Overall, most participants in the study were White (95%); approximately 4% of study participants were Black, and approximately 6% reported Hispanic ethnicity.
The primary endpoint of the study was the occurrence of laboratory-confirmed influenza (as determined by culture or polymerase chain reaction) caused by any influenza viral type/subtype in association with influenza-like illness (ILI), defined as the occurrence of at least one of the following respiratory symptoms: sore throat, cough, sputum production, wheezing, or difficulty breathing; concurrent with at least one of the following systemic signs or symptoms: temperature >99.0°F, chills, tiredness, headaches or myalgia. Participants were monitored for the occurrence of a respiratory illness by both active and passive surveillance, starting 2 weeks post-vaccination for approximately 7 months. After an episode of respiratory illness, nasopharyngeal swab samples were collected for analysis; attack rates and vaccine efficacy were calculated (see Table 4).
Fluzone High-Dose N§=15,892 n¶ (%) | Fluzone N§=15,911 n¶ (%) | Relative Efficacy % (95% CI) |
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Any type/subtype# | 227 (1.43) | 300 (1.89) | 24.2 (9.7; 36.5)Þ |
Influenza A | 190 (1.20) | 249 (1.56) | 23.6 (7.4; 37.1) |
A (H1N1) | 8 (0.05) | 9 (0.06) | 11.0 (-159.9; 70.1) |
A (H3N2) | 171 (1.08) | 222 (1.40) | 22.9 (5.4; 37.2) |
Influenza Bß | 37 (0.23) | 51 (0.32) | 27.4 (-13.1; 53.8) |
A secondary endpoint of the study was the occurrence of culture-confirmed influenza caused by viral types/subtypes antigenically similar to those contained in the respective annual vaccine formulations in association with a modified CDC-defined ILI, defined as the occurrence of a temperature >99.0°F (>37.2°C) with cough or sore throat. The efficacy of Fluzone High-Dose relative to Fluzone for this endpoint was 51.1% (95% CI: 16.8; 72.0).
See FDA-approved patient labeling (Patient Information).
Fluzone is a registered trademark of Sanofi Pasteur Inc.
Manufactured by:
Sanofi Pasteur Inc.
Swiftwater PA 18370 USA
7439
Patient Information Sheet
Fluzone® High-Dose
Influenza Vaccine
Please read this information sheet before getting Fluzone High-Dose vaccine. This summary is not intended to take the place of talking with your healthcare provider. If you have questions or would like more information, please talk with your healthcare provider.
What is Fluzone High-Dose vaccine?
Fluzone High-Dose is a vaccine that helps protect against influenza illness (flu).
Fluzone High-Dose vaccine is for people 65 years of age and older.
Vaccination with Fluzone High-Dose vaccine may not protect all people who receive the vaccine.
Who should not get Fluzone High-Dose vaccine?
You should not get Fluzone High-Dose vaccine if you:
Tell your healthcare provider if you have or have had:
How is Fluzone High-Dose vaccine given?
Fluzone High-Dose vaccine is a shot given into the muscle of the arm.
What are the possible side effects of Fluzone High-Dose vaccine?
The most common side effects of Fluzone High-Dose vaccine are:
These are not all of the possible side effects of Fluzone High-Dose vaccine. You can ask your healthcare provider for a list of other side effects that is available to healthcare professionals.
Call your healthcare provider for advice about any side effects that concern you. You may report side effects to the Vaccine Adverse Event Reporting System (VAERS) at 1-800-822-7967 or http://vaers.hhs.gov.
Why should I get Fluzone High-Dose vaccine instead of Fluzone vaccine?
An efficacy study in adults 65 years of age and older has demonstrated that Fluzone High-Dose vaccine offers better protection against influenza than Fluzone vaccine.
What are the ingredients in Fluzone High-Dose vaccine?
Fluzone High-Dose vaccine contains 3 killed flu virus strains.
Inactive ingredients include formaldehyde and octylphenol ethoxylate.
Manufactured by: Sanofi Pasteur Inc.
Swiftwater, PA 18370 USA
NDC 49281-405-88
0.5 mL Dose
IM only
Influenza Vaccine
Rx only
Fluzone® High-Dose
2019-2020 Formula
For 65 yrs of age and older
Mfd by: Sanofi Pasteur Inc.
FLUZONE HIGH-DOSE
influenza a virus a/michigan/45/2015 x-275 (h1n1) antigen (formaldehyde inactivated), influenza a virus a/singapore/infimh-16-0019/2016 ivr-186 (h3n2) antigen (formaldehyde inactivated), and influenza b virus b/maryland/15/2016 bx-69a (a b/colorado/6/2017-like virus) antigen (formaldehyde inactivated) injection, suspension |
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FLUZONE HIGH-DOSE
influenza a virus a/michigan/45/2015 x-275 (h1n1) antigen (formaldehyde inactivated), influenza a virus a/singapore/infimh-16-0019/2016 ivr-186 (h3n2) antigen (formaldehyde inactivated), and influenza b virus b/maryland/15/2016 bx-69a (a b/colorado/6/2017-like virus) antigen (formaldehyde inactivated) injection, suspension |
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Labeler - Sanofi Pasteur Inc. (086723285) |
Establishment | |||
Name | Address | ID/FEI | Business Operations |
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Sanofi Pasteur Inc. | 086723285 | MANUFACTURE |