Skip to content

A Study of Influenza Virus Vaccines in Children and Adults

Immunogenicity and Safety Among Children and Adults of the 2009-2010 Trivalent Influenza Vaccine, 2008-2009 Trivalent Influenza Vaccine, and Quadrivalent Influenza Vaccine (Intramuscular Route)

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00988143
Enrollment
600
Registered
2009-10-02
Start date
2009-10-31
Completion date
2010-03-31
Last updated
2013-12-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Influenza

Keywords

Influenza, Trivalent Influenza Virus Vaccine, Quadrivalent Influenza Virus Vaccine

Brief summary

The purpose of this study is to describe the immunogenicity of the prototype Quadrivalent Influenza Vaccine (QIV) compared with the 2009-2010 Trivalent Influenza Vaccine (TIV) and the 2008-2009 TIV among children and adults. Primary Objective: To describe the immunogenicity of the prototype Quadrivalent Influenza Vaccine (QIV) compared with the 2009-2010 Trivalent Influenza Vaccine (TIV) and the 2008-2009 TIV among adults. Observational Objectives: * To describe the safety of the 2009-2010 TIV among subjects ≥6 months to \<5 years, 18-60 years, and ≥ 61 years of age, and to describe the safety of 2008-2009 TIV and prototype QIV Fluzone® vaccines among subjects 18-60 years and ≥ 61 years of age. * To describe the immunogenicity of the 2009-2010 TIV vaccine among subjects ≥6 months to \<5 years, 18-60 years, and ≥61 years of age, and to describe the immunogenicity of 2008-2009 TIV and prototype QIV vaccines among subjects 18-60 years and ≥61 years of age.

Interventions

BIOLOGICAL2009-2010 Trivalent Influenza Virus Vaccine

0.25 mL, Intramuscular (participants at 6 to 35 months of age - Pediatric Dose); Others 0.5 mL, Intramuscular.

BIOLOGICAL2008-2009 Trivalent Influenza Virus Vaccine

0.25 mL, Intramuscular; 0.5 mL, Intramuscular.

BIOLOGICALQuadrivalent Influenza Virus Vaccine

0.5 mL, Intramuscular

Sponsors

Sanofi Pasteur, a Sanofi Company
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
6 Months to No maximum
Healthy volunteers
Yes

Inclusion criteria

: * Subject is ≥ 6 months to \< 5 years of age or 18 years of age or older on the day of inclusion. * Parent/legal guardian (if the subject is ≥ 6 months to \< 5 years of age) or adult subject (if 18 years of age or older) is willing and able to attend scheduled visits and to comply with the study procedures during the entire duration of the study. * Subject in reasonably good health as assessed by the Investigator. * Parent/legal guardian (if the subject is ≥ 6 months to \< 5 years of age) or adult subject (if 18 years of age or older) is willing and able to give informed consent. * For subjects ≥ 6 months to \< 5 years of age: subject was born at full term of pregnancy (≥ 37 weeks) with a birth weight ≥ 2.5 kg (5.5 lbs). * For a woman, inability to bear a child or negative serum/urine pregnancy test, if applicable.

Exclusion criteria

: For all subjects: * History of allergy to egg proteins, chicken proteins, or one of the constituents of the vaccine, such as thimerosal or formaldehyde. * History of serious adverse reaction to any influenza vaccine. * Laboratory-confirmed influenza infection or vaccination against influenza in the six months preceding enrollment in the study. * Any vaccination scheduled between Visit 1 and Visit 2 or Visit 3. * Participation in any other interventional drug or vaccine trial during participation in this study. * Thrombocytopenia or bleeding disorder contraindicating intramuscular vaccination. * Any condition that in the opinion of the Investigator would pose a health risk to the subject if enrolled or could interfere with the evaluation of the vaccine. * Prior personal history of Guillain-Barré syndrome. For subjects \> 6 months to \< 5 years of age: * Known or suspected impairment of immunologic function or receipt of immunosuppressive therapy or immunoglobulin since birth. * Personal or immediate family history of congenital immune deficiency. * Developmental delay, neurologic disorder, or seizure disorder. * Chronic medical, congenital, or developmental disorder. * Known HIV-positive mother. For subjects 18 years of age and older: * Immunocompromising condition; immunosuppressive therapy (including systemic steroid use for two weeks or more); cancer chemotherapy or radiation therapy at the time of enrollment, planned during the period of this study, or at any time within the past six months. * Diabetes mellitus requiring pharmacological control. * Person deprived of freedom by an administrative or court order (having legal or medical guardian). * For women of childbearing potential, a positive urine pregnancy test, breast feeding, or not using a medically approved and reliable form of contraception (oral contraceptives or double barrier method) for the duration of the trial. * Current use of alcohol or recreational drugs that may interfere with the subject's ability to comply with trial procedures. * Any subject with the following conditions is not eligible for enrollment. However, the subject may be enrolled subsequently if the condition has resolved and enrollment is still ongoing and the subject meets all other inclusion/

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Day 0 up to 7 days post-vaccinationSolicited injection site reactions (6-23 Months): Tenderness, Redness and Swelling; Solicited systemic reactions: Fever, Abnormal crying, Drowsiness, Loss of appetite, Vomiting and Irritability Grade 3 Tenderness: cries when injected limb is moved; Redness and Swelling: ≥5 cm; Fever: \>103.1°F; Abnormal crying: \>3 hours; Drowsiness: Sleeping most of the time; Loss of appetite: refuses ≥3 feeds/meals; Vomiting: ≥6 episodes/24 hours; Irritability: inconsolable. (24-59 Months): Pain, Redness and Swelling; Fever, Headache, Malaise and Myalgia. Grade 3: Pain, Incapacitating; Redness and Swelling: ≥5 cm; Fever: \>102.1°F, Headache, Malaise and Myalgia: Significant, prevents daily activity. (Adults): Pain, Redness, Induration, and Ecchymosis; Fever, Headache, Malaise, Myalgia and Shivering. Grade 3: Pain: significant, prevents daily activities; Redness, Swelling, Induration and Ecchymosis: \>10 cm; Fever \>102.1°F; Headache, Malaise, Myalgia & Shivering: Significant, prevents daily activity.
Geometric Mean Titers (GMTs) Against Influenza B Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.21 Days post last vaccinationImmunogenicity outcomes were assessed in serum samples by Hemagglutination inhibition (HAI) assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10.
Geometric Mean Titers (GMTs) Against Influenza A Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.21 Days post last vaccinationImmunogenicity outcomes were assessed in serum samples by Hemagglutination inhibition (HAI) assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10.

Other

MeasureTime frameDescription
Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study Participants21 Days post last vaccinationImmunogenicity outcomes were assessed in serum samples by HAI assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10.
Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineDay 0 (pre-vaccination) and Day 21 post final vaccinationImmunogenicity outcomes were assessed in serum samples by HAI assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10. Seroprotection to vaccine antigens was defined as a pre-vaccination and post-vaccination titer value of titer ≥ 40 (1/dil)
Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesDay 0 (pre-vaccination) and Day 21 post final vaccinationImmunogenicity outcomes were assessed in serum samples by HAI assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10. Seroprotection to vaccine antigens was defined as a pre-vaccination and post-vaccination titer value of titer ≥ 40 (1/dil).
Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesDay 0 up to 21 days post-vaccinationSeroconversion to vaccine antigens were defined as a pre-vaccination titer \< 10 (1/dil) and a post-vaccination titer ≥ 40 (1/dil), or a pre-vaccination titer ≥ 10 (1/dil) and a ≥ 4-fold increase in post-vaccination titer.
Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult Participants21 Days post last vaccinationImmunogenicity outcomes were assessed in serum samples by HAI assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10.
Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesDay 21 post-vaccinationSeroconversion to vaccine antigens was defined as a pre-vaccination titer \< 10 (1/dil) and a post-vaccination titer ≥ 40 (1/dil), or a pre-vaccination titer ≥ 10 (1/dil) and a ≥ 4-fold increase in post-vaccination titer.

Countries

United States

Participant flow

Recruitment details

The study participants were enrolled from 01 October through 05 November 2009 in 4 clinical centers in the US.

Pre-assignment details

A total of 600 participants who met all the inclusion criteria and none of the exclusion criteria were enrolled, randomized and vaccinated in the study.

Participants by arm

ArmCount
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)
Participants received the 2009-2010 Trivalent Influenza Vaccine (TIV)
220
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)
Participants received the 2008-2009 Trivalent Influenza Vaccine (TIV)
190
Study Group 3 (Quadrivalent Influenza Vaccine)
Participants received the Quadrivalent Influenza Vaccine (QIV)
190
Total600

Baseline characteristics

CharacteristicStudy Group 2 (2008-2009 Trivalent Influenza Vaccine)Study Group 3 (Quadrivalent Influenza Vaccine)Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Total
Age, Categorical
<=18 years
0 Participants0 Participants30 Participants30 Participants
Age, Categorical
>=65 years
55 Participants67 Participants63 Participants185 Participants
Age, Categorical
Between 18 and 65 years
135 Participants123 Participants127 Participants385 Participants
Age Continuous54.9 Years
STANDARD_DEVIATION 17.5
56.7 Years
STANDARD_DEVIATION 17.2
47.8 Years
STANDARD_DEVIATION 24.9
52.9 Years
STANDARD_DEVIATION 20.8
Region of Enrollment
United States
190 Participants190 Participants220 Participants600 Participants
Sex: Female, Male
Female
124 Participants130 Participants144 Participants398 Participants
Sex: Female, Male
Male
66 Participants60 Participants76 Participants202 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
105 / 22084 / 19091 / 190
serious
Total, serious adverse events
0 / 2200 / 1902 / 190

Outcome results

Primary

Geometric Mean Titers (GMTs) Against Influenza A Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.

Immunogenicity outcomes were assessed in serum samples by Hemagglutination inhibition (HAI) assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10.

Time frame: 21 Days post last vaccination

Population: Geometric mean titers to vaccine A strains were determined in the per-protocol population. For this outcome, the data for the A/Brisbane/59/2007(A1N1) and A/Uruguay/716/2007(H3N2) antibodies were pooled for participants vaccinated with either 2009-2010 TIV or 2008-2009 TIV and presented in the column for Study Group 1 (2009-2010 TIV).

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza A Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.A/Brisbane/59/2007(A1N1) [N = 375, 0, 190]151 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza A Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.A/Uruguay/716/2007(H3N2) [N = 375, 0, 190]339 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza A Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.A/Brisbane/59/2007(A1N1) [N = 375, 0, 190]161 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza A Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.A/Uruguay/716/2007(H3N2) [N = 375, 0, 190]304 Titers
Primary

Geometric Mean Titers (GMTs) Against Influenza B Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.

Immunogenicity outcomes were assessed in serum samples by Hemagglutination inhibition (HAI) assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10.

Time frame: 21 Days post last vaccination

Population: Geometric mean titers to vaccine B strains were determined in randomized and vaccinated participants, per-protocol population

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza B Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.B/Brisbane/60/2008 (187, 0, 190)114 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza B Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.B/Florida/04/2006 (0, 188, 190)NA Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza B Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.B/Brisbane/60/2008 (187, 0, 190)NA Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza B Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.B/Florida/04/2006 (0, 188, 190)135 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza B Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.B/Brisbane/60/2008 (187, 0, 190)101 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers (GMTs) Against Influenza B Strains After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine in Adult Participants.B/Florida/04/2006 (0, 188, 190)155 Titers
Primary

Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.

Solicited injection site reactions (6-23 Months): Tenderness, Redness and Swelling; Solicited systemic reactions: Fever, Abnormal crying, Drowsiness, Loss of appetite, Vomiting and Irritability Grade 3 Tenderness: cries when injected limb is moved; Redness and Swelling: ≥5 cm; Fever: \>103.1°F; Abnormal crying: \>3 hours; Drowsiness: Sleeping most of the time; Loss of appetite: refuses ≥3 feeds/meals; Vomiting: ≥6 episodes/24 hours; Irritability: inconsolable. (24-59 Months): Pain, Redness and Swelling; Fever, Headache, Malaise and Myalgia. Grade 3: Pain, Incapacitating; Redness and Swelling: ≥5 cm; Fever: \>102.1°F, Headache, Malaise and Myalgia: Significant, prevents daily activity. (Adults): Pain, Redness, Induration, and Ecchymosis; Fever, Headache, Malaise, Myalgia and Shivering. Grade 3: Pain: significant, prevents daily activities; Redness, Swelling, Induration and Ecchymosis: \>10 cm; Fever \>102.1°F; Headache, Malaise, Myalgia & Shivering: Significant, prevents daily activity.

Time frame: Day 0 up to 7 days post-vaccination

Population: Solicited injection site and systemic reactions were assessed in all randomized and vaccinated participants, safety population.

ArmMeasureGroupValue (NUMBER)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Swelling (220, 190, 190)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Tenderness (15, 0, 0)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Appetite lost (15, 0, 0)1 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Pain (205, 190, 190)105 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Tenderness (15, 0, 0)4 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Appetite lost (15, 0, 0)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Shivering (190, 190, 190)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Drowsiness (15, 0, 0)4 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Crying abnormal (15, 0, 0)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Myalgia (205, 190, 190)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Drowsiness (15, 0, 0)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Myalgia (205, 190, 190)50 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Irritability (15, 0, 0)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Induration (190, 190, 190)3 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Irritability (15, 0, 0)5 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Erythema (220, 190, 190)7 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Crying abnormal (15, 0, 0)1 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Induration (190, 190, 190)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Shivering (190, 190, 190)10 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Ecchymosis (190, 190, 190)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Headache (205, 189, 190)1 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Malaise (205, 190, 190)3 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Fever (220, 190, 190)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Erythema (220, 190, 190)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Fever (220, 190, 190)2 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Vomiting (15, 0, 0)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Pain (206, 190, 190)1 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Ecchymosis (190, 190, 190)1 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Vomiting (15, 0, 0)0 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Swelling (220, 190, 190)10 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Malaise (205, 190, 190)30 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Headache (205, 189, 190)35 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Tenderness (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Pain (206, 190, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Erythema (220, 190, 190)3 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Erythema (220, 190, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Swelling (220, 190, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Induration (190, 190, 190)1 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Induration (190, 190, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Ecchymosis (190, 190, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Fever (220, 190, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Vomiting (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Malaise (205, 190, 190)23 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Malaise (205, 190, 190)1 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Appetite lost (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Drowsiness (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Crying abnormal (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Headache (205, 189, 190)34 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Headache (205, 189, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Irritability (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Shivering (190, 190, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Tenderness (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Pain (205, 190, 190)82 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Swelling (220, 190, 190)2 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Ecchymosis (190, 190, 190)1 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Fever (220, 190, 190)1 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Vomiting (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Appetite lost (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Drowsiness (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Crying abnormal (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Irritability (15, 0, 0)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Myalgia (205, 190, 190)32 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Myalgia (205, 190, 190)0 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Shivering (190, 190, 190)6 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Induration (190, 190, 190)1 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Tenderness (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Pain (205, 190, 190)90 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Pain (206, 190, 190)1 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Vomiting (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Swelling (220, 190, 190)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Swelling (220, 190, 190)1 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Induration (190, 190, 190)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Vomiting (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Erythema (220, 190, 190)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Ecchymosis (190, 190, 190)1 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Injection site Ecchymosis (190, 190, 190)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Fever (220, 190, 190)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Headache (205, 189, 190)30 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Erythema (220, 190, 190)2 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Malaise (205, 190, 190)20 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Fever (220, 190, 190)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Headache (205, 189, 190)1 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Crying abnormal (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Irritability (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Crying abnormal (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Irritability (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Drowsiness (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Drowsiness (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Myalgia (205, 190, 190)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Shivering (190, 190, 190)5 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Appetite lost (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Myalgia (205, 190, 190)45 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Shivering (190, 190, 190)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Appetite lost (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Injection site Tenderness (15, 0, 0)0 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants Reporting Solicited Injection Site and Systemic Reactions Following Vaccination With Quadrivalent Influenza Vaccine or Fluzone® Trivalent Influenza Vaccines.Grade 3 Malaise (205, 190, 190)2 Participants
Other Pre-specified

Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult Participants

Immunogenicity outcomes were assessed in serum samples by HAI assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10.

Time frame: 21 Days post last vaccination

Population: Geometric mean titers to influenza vaccine antigens were determined in randomized and vaccinated participants, per-protocol population

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H3N2, Pre-vaccination (186, 188, 190)29.9 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Florida/04/2006, Post-vaccination (0, 187, 190)NA Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Brisbane/60/2008, Pre-vaccination (186, 0, 190)22.0 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H3N2, Post-vaccination (187, 188, 190)302 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Florida/04/2006, Pre-vaccination (0, 187, 190)NA Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H1N1, Post-vaccination (187, 188, 190)145 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H1N1, Pre-vaccination (186, 188, 190)27.5 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Brisbane/60/2008, Post-vaccination (187, 0, 190)114 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Brisbane/60/2008, Post-vaccination (187, 0, 190)NA Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H1N1, Pre-vaccination (186, 188, 190)28.4 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H1N1, Post-vaccination (187, 188, 190)157 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H3N2, Pre-vaccination (186, 188, 190)32.7 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H3N2, Post-vaccination (187, 188, 190)380 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Brisbane/60/2008, Pre-vaccination (186, 0, 190)NA Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Florida/04/2006, Pre-vaccination (0, 187, 190)32.6 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Florida/04/2006, Post-vaccination (0, 187, 190)135 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Brisbane/60/2008, Pre-vaccination (186, 0, 190)19.9 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H1N1, Post-vaccination (187, 188, 190)161 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H1N1, Pre-vaccination (186, 188, 190)27.6 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Florida/04/2006, Post-vaccination (0, 187, 190)155 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Florida/04/2006, Pre-vaccination (0, 187, 190)27.1 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H3N2, Post-vaccination (187, 188, 190)304 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsA/H3N2, Pre-vaccination (186, 188, 190)38.5 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in Adult ParticipantsB/Brisbane/60/2008, Post-vaccination (187, 0, 190)101 Titers
Other Pre-specified

Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study Participants

Immunogenicity outcomes were assessed in serum samples by HAI assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10.

Time frame: 21 Days post last vaccination

Population: Geometric mean titers to influenza vaccine antigens were determined in randomized and vaccinated participants, per-protocol population

ArmMeasureGroupValue (GEOMETRIC_MEAN)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Florida/04/2006, Post-vaccination (0, 187, 189)NA Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H3N2, Post-vaccination (214, 188, 189)285 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H3N2, Pre-vaccination (214, 187, 189)30.5 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H1N1, Pre-vaccination (214, 186, 189)27.0 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Brisbane/60/2008, Pre-vaccination (214, 0, 189)15.5 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Brisbane/60/2008, Post-vaccination (215, 0, 189)76.7 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H1N1, Post-vaccination (214, 187, 189)153 Titers
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Florida/04/2006, Pre-vaccination (0, 186, 189)NA Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Florida/04/2006, Pre-vaccination (0, 186, 189)26.6 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H1N1, Post-vaccination (214, 187, 189)145 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H1N1, Pre-vaccination (214, 186, 189)27.8 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Brisbane/60/2008, Pre-vaccination (214, 0, 189)NA Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H3N2, Post-vaccination (214, 188, 189)330 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Florida/04/2006, Post-vaccination (0, 187, 189)96.5 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H3N2, Pre-vaccination (214, 187, 189)34.6 Titers
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Brisbane/60/2008, Post-vaccination (215, 0, 189)NA Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Florida/04/2006, Pre-vaccination (0, 186, 189)21.7 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H1N1, Pre-vaccination (214, 186, 189)25.4 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H1N1, Post-vaccination (214, 187, 189)143 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Brisbane/60/2008, Post-vaccination (215, 0, 189)75.6 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Florida/04/2006, Post-vaccination (0, 187, 189)109 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H3N2, Pre-vaccination (214, 187, 189)37.8 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsA/H3N2, Post-vaccination (214, 188, 189)263 Titers
Study Group 3 (Quadrivalent Influenza Vaccine)Geometric Mean Titers Against the Influenza Vaccine Antigens After Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines in All Study ParticipantsB/Brisbane/60/2008, Pre-vaccination (214, 0, 189)16.2 Titers
Other Pre-specified

Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines

Seroconversion to vaccine antigens was defined as a pre-vaccination titer \< 10 (1/dil) and a post-vaccination titer ≥ 40 (1/dil), or a pre-vaccination titer ≥ 10 (1/dil) and a ≥ 4-fold increase in post-vaccination titer.

Time frame: Day 21 post-vaccination

Population: Seroconversion with respect to vaccine antigens were determined in randomized and vaccinated participants, per-protocol population.

ArmMeasureGroupValue (NUMBER)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 (187, 188, 190)103 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 (0, 188, 190)NA Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 (187, 0, 190)104 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 (187, 188, 190)130 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 (0, 188, 190)83 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 (187, 0, 190)NA Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 (187, 188, 190)120 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 (187, 188, 190)97 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 (187, 0, 190)101 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 (187, 188, 190)119 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 (187, 188, 190)112 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroconversion to Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 (0, 188, 190)110 Participants
Other Pre-specified

Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccine

Immunogenicity outcomes were assessed in serum samples by HAI assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10. Seroprotection to vaccine antigens was defined as a pre-vaccination and post-vaccination titer value of titer ≥ 40 (1/dil)

Time frame: Day 0 (pre-vaccination) and Day 21 post final vaccination

Population: Seroprotection against the influenza vaccine antigens were determined in randomized and vaccinated participants, per-protocol population.

ArmMeasureGroupValue (NUMBER)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H3N2, Pre-vaccination (186, 187, 190)83 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Florida/04/2006, Post-vaccination (0, 187, 190)NA Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H3N2, Post-vaccination (187, 188, 190)180 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Florida/04/2006, Pre-vaccination (0, 187, 190)NA Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H1N1, Post-vaccination (187, 188, 190)168 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Brisbane/60/2008, Pre-vaccination (186, 0, 190)80 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H1N1, Pre-vaccination (186, 188, 190)84 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Brisbane/60/2008, Post-vaccination (187, 0, 190)168 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Brisbane/60/2008, Post-vaccination (187, 0, 190)NA Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Florida/04/2006, Pre-vaccination (0, 187, 190)97 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Florida/04/2006, Post-vaccination (0, 187, 190)174 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H1N1, Pre-vaccination (186, 188, 190)77 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H3N2, Pre-vaccination (186, 187, 190)91 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H1N1, Post-vaccination (187, 188, 190)173 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H3N2, Post-vaccination (187, 188, 190)177 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Brisbane/60/2008, Pre-vaccination (186, 0, 190)NA Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Florida/04/2006, Post-vaccination (0, 187, 190)175 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H1N1, Pre-vaccination (186, 188, 190)81 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H1N1, Post-vaccination (187, 188, 190)176 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H3N2, Pre-vaccination (186, 187, 190)93 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineA/H3N2, Post-vaccination (187, 188, 190)180 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Brisbane/60/2008, Pre-vaccination (186, 0, 190)69 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Brisbane/60/2008, Post-vaccination (187, 0, 190)162 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Adult Participants With Seroprotection Against Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccineB/Florida/04/2006, Pre-vaccination (0, 187, 190)89 Participants
Other Pre-specified

Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines

Seroconversion to vaccine antigens were defined as a pre-vaccination titer \< 10 (1/dil) and a post-vaccination titer ≥ 40 (1/dil), or a pre-vaccination titer ≥ 10 (1/dil) and a ≥ 4-fold increase in post-vaccination titer.

Time frame: Day 0 up to 21 days post-vaccination

Population: Seroconversion with respects to influenza vaccine antigens were determined in randomized and vaccinated participants, per-protocol population

ArmMeasureGroupValue (NUMBER)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 Pre-vaccination (214, 0, 189)57 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 Pre-vaccination (214, 186, 189)88 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 Post-vaccination (213, 187, 189)148 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 Pre-vaccination (0, 186, 189)NA Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 Post-vaccination (214, 0, 189)111 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 Post-vaccination (0, 186, 189)NA Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 Pre-vaccination (214, 187, 189)100 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 Post-vaccination (213, 186, 189)118 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 Post-vaccination (214, 0, 189)NA Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 Pre-vaccination (214, 186, 189)71 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 Post-vaccination (213, 186, 189)90 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 Pre-vaccination (214, 187, 189)94 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 Pre-vaccination (214, 0, 189)NA Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 Pre-vaccination (0, 186, 189)80 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 Post-vaccination (0, 186, 189)79 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 Post-vaccination (213, 187, 189)119 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 Post-vaccination (0, 186, 189)100 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 Pre-vaccination (214, 187, 189)92 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 Post-vaccination (214, 0, 189)99 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 Pre-vaccination (214, 186, 189)70 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2 Post-vaccination (213, 187, 189)116 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008 Pre-vaccination (214, 0, 189)50 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006 Pre-vaccination (0, 186, 189)67 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroconversion to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1 Post-vaccination (213, 186, 189)112 Participants
Other Pre-specified

Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza Vaccines

Immunogenicity outcomes were assessed in serum samples by HAI assay. The lower limit of quantitation (LLOQ) was set at the lowest dilution used in the assay, 1/10. Titers below this level were reported as \<10. Seroprotection to vaccine antigens was defined as a pre-vaccination and post-vaccination titer value of titer ≥ 40 (1/dil).

Time frame: Day 0 (pre-vaccination) and Day 21 post final vaccination

Population: Seroprotection to influenza vaccine antigens were determined in randomized and vaccinated participants, per-protocol population

ArmMeasureGroupValue (NUMBER)
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2, Post-vaccination (214, 188, 189)209 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006, Post-vaccination (0, 187, 189)NA Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1, Pre-vaccination (214, 186, 189)88 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2, Pre-vaccination (214, 187, 189)100 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008, Pre-vaccination (214, 0, 189)57 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008, Post-vaccination (215, 0, 189)172 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1, Post-vaccination (214, 187, 189)193 Participants
Study Group 1 (2009-2010 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006, Pre-vaccination (0, 186, 189)NA Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008, Post-vaccination (215, 0, 189)NA Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008, Pre-vaccination (214, 0, 189)NA Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2, Pre-vaccination (214, 187, 189)94 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1, Pre-vaccination (214, 186, 189)71 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1, Post-vaccination (214, 187, 189)168 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2, Post-vaccination (214, 188, 189)179 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006, Post-vaccination (0, 187, 189)164 Participants
Study Group 2 (2008-2009 Trivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006, Pre-vaccination (0, 186, 189)80 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006, Post-vaccination (0, 187, 189)169 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2, Pre-vaccination (214, 187, 189)92 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H3N2, Post-vaccination (214, 188, 189)179 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008, Pre-vaccination (214, 0, 189)50 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Brisbane/60/2008, Post-vaccination (215, 0, 189)153 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesB/Florida/04/2006, Pre-vaccination (0, 186, 189)67 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1, Post-vaccination (214, 187, 189)169 Participants
Study Group 3 (Quadrivalent Influenza Vaccine)Number of Participants With Seroprotection to Influenza Vaccine Antigens Following Vaccination With Fluzone® Quadrivalent Influenza Vaccine or Trivalent Influenza VaccinesA/H1N1, Pre-vaccination (214, 186, 189)70 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026