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Influenza virus vaccine

Phase 3

Influenza | Monoclonal antibody | Infectious Disease |Sanofi|Last Updated: Apr 14, 2016

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDDMCBiomarker
Total Trials3
Total Enrollment1,365
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00885105Evaluation of Responses to Fluzone® in Infants ≥ 6 Months of Age Who Did or Did Not Receive Fluzone® at 2 Months of AgePHASE3 COMPLETED 242Oct 1, 2005Sep 1, 2007Apr 14, 20166 United States
NCT00845429Immunogenicity of a Split, Cell-Based, Inactivated, Trivalent Influenza Vaccine in Healthy Adult SubjectsPHASE2 COMPLETED 729Oct 1, 2007Nov 1, 2008Dec 19, 201215 United States
NCT00858468Safety and Immunogenicity Testing of Influenza Vaccine in Healthy Children 2 Months and 6 Months of AgePHASE1 COMPLETED 394Apr 1, 2005Dec 1, 2006Apr 14, 20168 United States
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Study Endpoints
Primary Endpoints
Summary of Influenza Seroprotection Post-vaccination With Fluzone® Vaccine.
Day 28 Post-vaccination

Seroprotection was defined as a Reciprocal Hemagglutination Inhibition Titers of ≥ 40 Post-vaccination with Fluzone® Vaccine.

Summary of the Pre- and Post-Vaccination Geometric Mean Titers (GMTs) for Each of the Influenza Vaccine Antigens.
Days 0 and 21 post-vaccination
Percentage of Participants With Seroprotection to Each of the Influenza Vaccine Antigen Before and Post-vaccination.
Day 21 post-vaccination

Seroprotection was defined as a titer ≥ 40 1/dil, and determined in participants with a valid serology result for the particular Flu strain, including results reported as less than lower limit of quantitation (LLOQ)

Percentage of Participants Achieving Seroconversion or Significant Increase at Day 21 Following Vaccination With Influenza Vaccine.
Day 21 post-vaccination

Seroconversion: For participants with a Day 0 pre-vaccination titer \< 10 (1/dil), titer ≥ 40 (1/dil) on Day 21. Significant Increase: For participants with a Day 0 pre-vaccination titer ≥ 10 (1/dil), ≥ 4-fold increase of titer on Day 21.

Percentage of Participants With Solicited Local and Systemic Reactions After Vaccination With Fluzone® 2004-2005 Pediatric Formulation.
Day 0 to Day 7 post-vaccination

Solicited local (injection site) reactions: Tenderness, erythema (redness), and swelling Solicited systemic reactions: Fever (Temperature), Vomiting, Crying abnormal, Drowsiness, Loss of Appetite, and Irritability.

Secondary Endpoints
Number of Participants Reporting at Least 1 Solicited Injection Site or Systemic Reaction Post-vaccination With Influenza Vaccine.
Day 0 up to Day 7 post-vaccination
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Fluzone® Vaccine-Primed GroupEXPERIMENTALParticipants received 2 doses of Fluzone® vaccine at 2 months (in Study GRC 27)
Influenza Vaccine-Naive GroupACTIVE_COMPARATORParticipants who have never received influenza vaccine (and not in Study GRC27)
Group 1: Standard-dose Cell-based Influenza VaccineEXPERIMENTALParticipants will receive a single dose of standard-dose cell-based influenza virus vaccine.
Group 2: High-dose Cell-based Influenza VaccineEXPERIMENTALParticipants will receive a single dose of high-dose cell-based influenza virus vaccine.
Group 3: Licensed Fluzone® Influenza VaccineACTIVE_COMPARATORParticipants will receive a single dose of licensed Fluzone® influenza vaccine.
Group 1EXPERIMENTALParticipants aged 6 to 12 Weeks at enrollment
Group 2EXPERIMENTALParticipants aged 24 to 36 Weeks at enrollment
Interventions
NameTypeDescription
Influenza Virus VaccineBIOLOGICAL0.25 mL, Intramuscular
Influenza virus vaccine - cell based (2007-2008 Formulation)BIOLOGICAL0.5 mL, Intramuscular
Influenza virus vaccine - cell-based (2007-2008 Formulation)BIOLOGICAL1.0 mL, Intramuscular
Influenza virus vaccine (2007-2008 Formulation)BIOLOGICAL0.5 mL, Intramuscular
Influenza virus vaccine (2004-2005 Formulation)BIOLOGICAL0.25 mL, Intramuscular
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Eligibility Criteria
Age Range6 Months — 11 Months
SexALL
Healthy VolunteersYes
Study Sites6

Inclusion Criteria: * Participant is between 6 and 10 months of age on the day of inclusion (has reached 6-month but has not reached 11-month anniversary of birth). * Available for the duration of the study. * Born at full term of pregnancy (≥ 36 weeks) with a birth weight ≥ 2.5 kg * Parent/legal a...

Countries:United States
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