Safety and Immunogenicity of an Intramuscular A/H5N1 Inactivated, Split Virion Pandemic Influenza Vaccine in Children

January 10, 2014 updated by: Sanofi Pasteur, a Sanofi Company

Safety and Immunogenicity of an Intramuscular A/H5N1 Inactivated, Split Virion Pandemic Influenza Vaccine in European Children

This study is part of an effort to develop an effective vaccination program in children in the event of a pandemic.

Study objectives:

  • To describe the safety profiles in the periods following each vaccination in subjects receiving different vaccination schedule.
  • To describe the immune response after each vaccination in subjects receiving study vaccine.

Study Overview

Detailed Description

Study participants will receive two administrations of the investigational vaccine at one of 3 vaccination schedules.

Study Type

Interventional

Enrollment (Actual)

350

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Espoo, Finland, FIN-02100
      • Helsinki, Finland, FIN-00100
      • Helsinki, Finland, FIN-00930
      • Järvenpää, Finland, FIN-04400
      • Kuopio, Finland, FIN-70100
      • Lahti, Finland, FIN-15140
      • Oulu, Finland, FIN-90220
      • Pori, Finland, FIN-28100
      • Tampere, Finland, FIN-33014
      • Tampere, Finland, FIN-33100
      • Turku, Finland, FIN-20520
      • Vantaa, Finland, FIN-01300
      • Vantaa, Finland, FIN-01600

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

6 months to 17 years (Child)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria :

All Subjects

  • Subject and parent(s)/legal representative able to attend all scheduled visits and to comply with all trial procedures.
  • Completion of vaccination according to the national immunization schedule

Subjects Aged ≥ 2 Years to < 18 Years:

  • Aged ≥ 2 years to < 18 years on the day of inclusion.
  • Provision of Informed Consent Form signed by the subject's the parent(s)/legal representative (and by an independent witness if required by local regulations). In addition, provision of Assent Form signed by subjects aged 8 to 11 years, and of Informed Consent Form signed by subjects ≥ 12 years.
  • For a female of child-bearing potential, avoid becoming pregnant (use of an effective method of contraception or abstinence) for at least 4 weeks prior to each vaccination, until at least 4 weeks after each vaccination.

Subjects Aged ≥ 6 Months to < 2 Years:

  • Aged ≥ 6 months to < 2 years on the day of inclusion.
  • Born at full term of pregnancy (≥ 37 weeks) with a birth weight ≥ 2.5 kg.
  • Provision of Informed Consent Form signed by the parent(s) or other legal representative (and by an independent witness if required by local regulations).

Exclusion Criteria :

All subjects

  • Participation in another clinical trial investigating a vaccine, drug, medical device, or a medical procedure in the 4 weeks preceding trial vaccination
  • Planned participation in another clinical trial during the present trial period
  • Known or suspected congenital or acquired immunodeficiency, immunosuppressive therapy such as anti-cancer chemotherapy or radiation therapy within the preceding 6 months, or long-term systemic corticosteroids therapy
  • Known systemic hypersensitivity to any of the vaccine components or history of a life-threatening reaction to the trial vaccine or to a vaccine containing any of the same substances
  • Chronic illness, at a stage that could interfere with trial conduct or completion, in the opinion of the investigator
  • Current alcohol abuse or drug addiction that may interfere with the subject's ability to comply with trial procedures
  • Receipt of Blood or blood-derived products in the past 3 months, that might interfere with the assessment of immune response
  • Receipt of any vaccine in the 4 weeks preceding trial vaccination
  • Planned receipt of any vaccine in the 4 weeks following any trial vaccination
  • (Known) Human Immunodeficiency Virus (HIV), Hepatitis B surface (HBs) antigen or Hepatitis C seropositivity
  • Previous vaccination against avian influenza with either the trial vaccine or another vaccine
  • Thrombocytopenia, bleeding disorder or anticoagulants in the 3 weeks preceding inclusion contraindicating IM vaccination
  • Subjects deprived of freedom by an administrative or court order, or in an emergency setting, or hospitalized without his/her consent
  • Received oral or injected antibiotic therapy within the 72 hours prior to any blood draw

Subjects Aged ≥2 Years to <18 Years:

  • For a female of child-bearing potential, known pregnancy or positive urine pregnancy test
  • Breast-feeding female
  • Febrile illness (temperature ≥ 37.5 °C) or moderate or severe acute illness/infection on the day of vaccination, according to investigator judgment

Subjects Aged ≥ 6 Months to < 2 Years:

  • History of seizures
  • Febrile illness (temperature ≥ 38 °C) or moderate or severe acute illness/infection on the day of vaccination, according to investigator judgment.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Group 1
Participants on vaccination schedule 1 (Day 0 and Day 21)
0.5 mL, Intramuscular
Experimental: Group 2
Participants on vaccination schedule 2 (Day 0 and Day 14)
0.5 mL, Intramuscular
Experimental: Group 3
Participants on vaccination schedule 3 (Day 0 and Day 42)
0.5 mL, Intramuscular

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
To provide information concerning the safety of the Split Virion Pandemic Influenza vaccine.
Time Frame: 21 days post-vaccination and entire study
21 days post-vaccination and entire study

Secondary Outcome Measures

Outcome Measure
Time Frame
To provide information concerning the immunogenicity of Split Virion Pandemic Influenza vaccine.
Time Frame: 21 days post-vaccination
21 days post-vaccination

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

April 1, 2009

Primary Completion (Actual)

March 1, 2010

Study Completion (Actual)

June 1, 2010

Study Registration Dates

First Submitted

April 16, 2009

First Submitted That Met QC Criteria

April 17, 2009

First Posted (Estimate)

April 20, 2009

Study Record Updates

Last Update Posted (Estimate)

January 14, 2014

Last Update Submitted That Met QC Criteria

January 10, 2014

Last Verified

January 1, 2014

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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