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Immunogenicity and Safety Study of Fluarix™ Vaccine in Children Who Have Previously Been Vaccinated With Pandemrix™

Primary Purpose

Influenza

Status
Completed
Phase
Phase 4
Locations
International
Study Type
Interventional
Intervention
Fluarix™
Havrix™ Junior
Sponsored by
GlaxoSmithKline
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional prevention trial for Influenza focused on measuring Influenza, H1N1, Fluarix, Pandemrix

Eligibility Criteria

1 Year - 10 Years (Child)All SexesAccepts Healthy Volunteers

Inclusion Criteria:

  • Subjects having previously been immunized with two 0.25 mL doses of Pandemrix, given at least 21 days apart, at the age of 6 months to 9 years inclusive at the time of first vaccination.
  • Subjects having received the last dose of Pandemrix at least six months prior to study enrolment.
  • Subjects who the investigator believes that parent(s)/Legally Acceptable Representative(s) [LAR(s)] can and will comply with the requirements of the protocol.
  • Written informed consent obtained from the parent(s)/LAR(s) of the subjects.
  • Healthy subjects as established by medical history and clinical examination before entering into the study.
  • Parent/LAR with access to a consistent means of telephone contact, land line or mobile, but NOT a pay phone or other multiple-user device.

Exclusion Criteria:

  • Active participation in other clinical trials.
  • Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of the study vaccine or planned use during the study period.
  • Planned administration of any vaccine 30 days prior and 30 days after any study vaccine administration.
  • Chronic administration of immunosuppressants or other immune-modifying drugs within three months prior to enrolment in this study or planned administration during the study period.
  • Acute disease and/or fever at the time of enrolment.
  • Any confirmed or suspected immunosuppressive or immunodeficient condition based on medical history and physical examination.
  • Acute or chronic, clinically-significant pulmonary, cardiovascular, hepatic or renal functional abnormality, as determined by medical history and physical examination.
  • Administration of immunoglobulins and/or any blood products within the three months prior to the enrolment in this study, or planned use during the study.
  • Any known or suspected allergy to any constituent of influenza vaccines; a history of anaphylactic-type reaction to any constituent of influenza vaccines; or a history of severe adverse reaction to a previous influenza vaccine.
  • History of seizures or progressive neurological disease.
  • Subjects having received an H1N1v pandemic vaccine other than Pandemrix or having received the 2010/2011 seasonal influenza vaccine.
  • Child in care.

Sites / Locations

  • GSK Investigational Site
  • GSK Investigational Site
  • GSK Investigational Site
  • GSK Investigational Site
  • GSK Investigational Site
  • GSK Investigational Site
  • GSK Investigational Site

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm 4

Arm 5

Arm 6

Arm Type

Experimental

Experimental

Experimental

Active Comparator

Active Comparator

Active Comparator

Arm Label

Fluarix 6-11 months Group

Fluarix 12-35 months Group

Fluarix 3-9 years Group

Havrix Junior 6-11 months Group

Havrix Junior 12-35 months Group

Havrix Junior 3-9 years Group

Arm Description

Subjects previously vaccinated with Pandemrix vaccine, will receive one or two doses of Fluarix vaccine

Subjects previously vaccinated with Pandemrix vaccine, will receive one or two doses of Fluarix vaccine

Subjects previously vaccinated with Pandemrix vaccine, will receive one or two doses of Fluarix vaccine

Subjects previously vaccinated with Pandemrix vaccine will receive two doses of Havrix Junior vaccine

Subjects previously vaccinated with Pandemrix vaccine will receive two doses of Havrix Junior vaccine

Subjects previously vaccinated with Pandemrix vaccine will receive two doses of Havrix Junior vaccine

Outcomes

Primary Outcome Measures

Haemagglutination Inhibition (HI) Antibody Titers Against H1N1 in All Subjects Receiving Fluarix Vaccine
Antibody titers were expressed as Geometric mean titers (GMTs).
Number of Subjects Seropositive for HI Antibodies Against H1N1 in All Subjects Receiving Fluarix Vaccine
Seropositivity was defined as antibody titers greater than or equal to 1:10.
Number of Subjects Seroprotected for HI Antibodies Against H1N1 in All Subjects Receiving Fluarix Vaccine
A seroprotected subject was defined as a subject with a serum HI titer greater than or equal to 1:40 that usually is accepted as indicating protection.
Number of Subjects Seroconverted for HI Antibodies Against H1N1 in All Subjects Receiving Fluarix Vaccine
A seroconverted subject was defined as a subject that had either a prevaccination (Day 0) titer below 1:10 and a post-vaccination titer greater than or equal to 1:40 or a pre-vaccination titer greater than or equal to 1:10 and at least a 4-fold increase in post-vaccination titer.
Mean Geometric Increase (MGI) in HI Antibody Titers Against H1N1 in All Subjects Receiving Fluarix Vaccine
MGI is defined as the geometric mean of the within-subject ratios of the post-vaccination (Day 28) reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer.

Secondary Outcome Measures

HI Antibody Titers Against All Fluarix Vaccine Strains
Antibody titers were expressed as GMTs. Vaccine strains included in the analysis were Flu A/CAL/7/09 H1N1 , FluB/Bri/60/08 Victoria, and Flu A/Vic/210/09 H3N2, further in this summary denoted as H1N1, Victoria and H3N2 strains, respectively.
HI Antibody Titers Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Antibody titers were expressed as GMTs. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Number of Subjects Seropositive for HI Antibodies Against All Fluarix Vaccine Strains
Seropositivity was defined as antibody titers greater than or equal to 1:10. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains.
Number of Subjects Seropositive for HI Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Seropositivity was defined as antibody titers greater than or equal to 1:10. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Number of Subjects Seroconverted for HI Antibodies Against All Fluarix Vaccine Strains in All Subjects Receiving Fluarix Vaccine
A seroconverted subject was defined as a subject that had either a pre-vaccination (Day 0) titer below 1:10 and a post-vaccination titer greater than or equal to 1:40 or a pre-vaccination titer greater than or equal to 1:10 and at least a 4-fold increase in post-vaccination titer. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains.
Number of Subjects Seroconverted for HI Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
A seroconverted subject was defined as a subject that had either a pre-vaccination (Day 0) titer below 1:10 and a post-vaccination titer greater than or equal to 1:40 or a pre-vaccination titer greater than or equal to 1:10 and at least a 4-fold increase in post-vaccination titer. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Number of Subjects Seroprotected for HI Antibodies Against All Fluarix Vaccine Strains
A seroprotected subject was defined as a subject with a serum HI titer greater than or equal to 1:40 that usually is accepted as indicating protection. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains.
Number of Subjects Seroprotected for HI Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
A seroprotected subject was defined as a subject with a serum HI titer greater than or equal to 1:40 that usually is accepted as indicating protection. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Mean Geometric Increase (MGI) in HI Antibody Titers Against All Fluarix Vaccine Strains in All Subjects Receiving Fluarix Vaccine
MGI is defined as the geometric mean of the within-subject ratios of the post-vaccination (Day 28) reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains.
Mean Geometric Increase (MGI) in HI Antibody Titers Against H1N1 in Subjects Receiving Havrix Junior Vaccine
MGI is defined as the geometric mean of the within-subject ratios of the post-vaccination (Month 6) reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Serum Neutralising Antibody Titers Against All Fluarix Vaccine Strains
Antibody titers were expressed as Geometric Mean Titers (GMTs).
Serum Neutralising Antibody Titers Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Antibody titers were expressed as GMTs.] Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Number of Subjects Seropositive for Serum Neutralising Antibodies Against All Fluarix Vaccine Strains
Seropositivity was defined as antibody titers greater than or equal to 1:28.
Number of Subjects Seropositive for Serum Neutralising Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Seropositivity was defined as antibody titers greater than or equal to 1:28. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Number of Subjects Seroconverted for Serum Neutralising Antibodies Against All Fluarix Vaccine Strains in Subjects Receiving Fluarix
Seroconverted subject was a subject with a minimum 4-fold increase in titer at post-vaccination for neutralizing antibody response.
Number of Subjects Seroconverted for Serum Neutralising Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Seroconverted subject was a subject with a minimum 4-fold increase in titer at post-vaccination for neutralizing antibody response. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Number of Subjects Reporting Any and Grade 3 Solicited Local Symptoms
Solicited local symptoms assessed include: pain, redness and swelling. Any is any symptom regardless of intensity. Grade 3 was defined as a symptom that prevented normal activity.above 50 millimeter.
Duration of Any Solicited Local Symptom
Duration was expressed as median number of days the symptom persisted. Solicited local symptoms assessed include: pain, redness and swelling.
Number of Subjects Less Than 6 Years Reporting Any, Grade 3 and Related Solicited General Symptoms
Solicited general symptoms assessed include diarrhoea, drowsiness, irritability, loss of appetite and fever. Any was defined as any symptom regardless of intensity; any fever was axillary temperature greater than or equal to 37.5 degrees celsius. Grade 3 was a symptom preventing normal everyday activity; grade 3 loss of appetite was not eating at all; grade 3 fever was axillary temperature above 39 degrees celsius. Related was any symptom assessed by the investigator as causally related to the study vaccination.
Duration of Any Solicited General Symptom Experienced by Subjects Less Than 6 Years Old
Duration was expressed as median number of days the symptom persisted. Solicited general symptoms assessed include diarrhoea, drowsiness, irritability, loss of appetite and fever.
Number of Subjects Above 6 Years Reported Any, Grade 3 and Related Solicited General Symptoms
Solicited general symptoms assessed include arthralgia, fatigue, gastrointestinal symptoms, headache, myalgia, shivering, sweating and fever. Any was defined as any symptom regardless of intensity; any fever was axillary temperature greater than or equal to 37.5 degrees celsius. Grade 3 was a symptom preventing normal everyday activity; grade 3 fever was axillary temperature above 39 degrees celsius. Related was any symptom assessed by the investigator as causally related to the study vaccination.
Duration of Any Solicited General Symptom Experienced by Subjects Above 6 Years Old
Duration was expressed as median number of days the symptom persisted. Solicited general symptoms assessed include fatigue, gastrointestinal symptoms, headache, myalgia, shivering and fever.
Number of Subjects Reporting Any, Grade 3 and Related Unsolicited Adverse Events (AEs)
Unsolicited AE covers any AE reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Any was defined as any symptom regardless of intensity or relationship to vaccination. Grade 3 was a symptom preventing normal everyday activity. Related was any symptom assessed by the investigator as causally related to the study vaccination.
Number of Subjects Reporting Medically-Attended Events (MAEs), Adverse Events of Specific Interest (AESIs)/ Potential Immune Mediated Diseases (pIMDs) and Adverse Events (AEs) of Special Interest
MAEs: subject received medical attention defined as hospitalisation, an emergency room visit or a visit to or from medical personnel (medical doctor) for any reason. AESIs/pIMD: includes both clearly autoimmune diseases and also other inflammatory and/or neurologic disorders which may or may not have an autoimmune etiology. Adverse events of special interest include both convulsion and anaphylaxis.
Number of Subjects Reporting Serious Adverse Events (SAEs)
SAEs: medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity or are a congenital anomaly/birth defect in the offspring of a study subject.
Number of Subjects Reporting Serious Adverse Events (SAEs)
SAEs: medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity or are a congenital anomaly/birth defect in the offspring of a study subject.

Full Information

First Posted
September 3, 2010
Last Updated
August 22, 2018
Sponsor
GlaxoSmithKline
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1. Study Identification

Unique Protocol Identification Number
NCT01196026
Brief Title
Immunogenicity and Safety Study of Fluarix™ Vaccine in Children Who Have Previously Been Vaccinated With Pandemrix™
Official Title
Immunogenicity and Safety Study of GSK Biologicals' Seasonal (2010-2011) Influenza Vaccine Fluarix™ in Children Previously Vaccinated With GSK Biologicals' H1N1 Vaccine Pandemrix™
Study Type
Interventional

2. Study Status

Record Verification Date
September 2016
Overall Recruitment Status
Completed
Study Start Date
September 15, 2010 (undefined)
Primary Completion Date
May 26, 2011 (Actual)
Study Completion Date
May 26, 2011 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
GlaxoSmithKline

4. Oversight

5. Study Description

Brief Summary
This study is designed to assess the immunogenicity, reactogenicity and safety following vaccination with GSK Biologicals' Fluarix vaccine in children who have previously been vaccinated with two doses of Pandemrix at the age of 6 months-9 years.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Influenza
Keywords
Influenza, H1N1, Fluarix, Pandemrix

7. Study Design

Primary Purpose
Prevention
Study Phase
Phase 4
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
162 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Fluarix 6-11 months Group
Arm Type
Experimental
Arm Description
Subjects previously vaccinated with Pandemrix vaccine, will receive one or two doses of Fluarix vaccine
Arm Title
Fluarix 12-35 months Group
Arm Type
Experimental
Arm Description
Subjects previously vaccinated with Pandemrix vaccine, will receive one or two doses of Fluarix vaccine
Arm Title
Fluarix 3-9 years Group
Arm Type
Experimental
Arm Description
Subjects previously vaccinated with Pandemrix vaccine, will receive one or two doses of Fluarix vaccine
Arm Title
Havrix Junior 6-11 months Group
Arm Type
Active Comparator
Arm Description
Subjects previously vaccinated with Pandemrix vaccine will receive two doses of Havrix Junior vaccine
Arm Title
Havrix Junior 12-35 months Group
Arm Type
Active Comparator
Arm Description
Subjects previously vaccinated with Pandemrix vaccine will receive two doses of Havrix Junior vaccine
Arm Title
Havrix Junior 3-9 years Group
Arm Type
Active Comparator
Arm Description
Subjects previously vaccinated with Pandemrix vaccine will receive two doses of Havrix Junior vaccine
Intervention Type
Biological
Intervention Name(s)
Fluarix™
Intervention Description
One or two intramuscular injections
Intervention Type
Biological
Intervention Name(s)
Havrix™ Junior
Intervention Description
Two intramuscular injections
Primary Outcome Measure Information:
Title
Haemagglutination Inhibition (HI) Antibody Titers Against H1N1 in All Subjects Receiving Fluarix Vaccine
Description
Antibody titers were expressed as Geometric mean titers (GMTs).
Time Frame
Day 0 and 28
Title
Number of Subjects Seropositive for HI Antibodies Against H1N1 in All Subjects Receiving Fluarix Vaccine
Description
Seropositivity was defined as antibody titers greater than or equal to 1:10.
Time Frame
Day 0-28
Title
Number of Subjects Seroprotected for HI Antibodies Against H1N1 in All Subjects Receiving Fluarix Vaccine
Description
A seroprotected subject was defined as a subject with a serum HI titer greater than or equal to 1:40 that usually is accepted as indicating protection.
Time Frame
Day 0-28
Title
Number of Subjects Seroconverted for HI Antibodies Against H1N1 in All Subjects Receiving Fluarix Vaccine
Description
A seroconverted subject was defined as a subject that had either a prevaccination (Day 0) titer below 1:10 and a post-vaccination titer greater than or equal to 1:40 or a pre-vaccination titer greater than or equal to 1:10 and at least a 4-fold increase in post-vaccination titer.
Time Frame
Day 28
Title
Mean Geometric Increase (MGI) in HI Antibody Titers Against H1N1 in All Subjects Receiving Fluarix Vaccine
Description
MGI is defined as the geometric mean of the within-subject ratios of the post-vaccination (Day 28) reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer.
Time Frame
Day 28
Secondary Outcome Measure Information:
Title
HI Antibody Titers Against All Fluarix Vaccine Strains
Description
Antibody titers were expressed as GMTs. Vaccine strains included in the analysis were Flu A/CAL/7/09 H1N1 , FluB/Bri/60/08 Victoria, and Flu A/Vic/210/09 H3N2, further in this summary denoted as H1N1, Victoria and H3N2 strains, respectively.
Time Frame
Day 0 (for all groups) and Day 28 (for groups receiving Fluarix only)
Title
HI Antibody Titers Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Description
Antibody titers were expressed as GMTs. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Time Frame
Day 0 and Month 6
Title
Number of Subjects Seropositive for HI Antibodies Against All Fluarix Vaccine Strains
Description
Seropositivity was defined as antibody titers greater than or equal to 1:10. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains.
Time Frame
Day 0 (for all groups) and Day 28 (for groups receiving Fluarix only)
Title
Number of Subjects Seropositive for HI Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Description
Seropositivity was defined as antibody titers greater than or equal to 1:10. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Time Frame
Day 0 and Month 6
Title
Number of Subjects Seroconverted for HI Antibodies Against All Fluarix Vaccine Strains in All Subjects Receiving Fluarix Vaccine
Description
A seroconverted subject was defined as a subject that had either a pre-vaccination (Day 0) titer below 1:10 and a post-vaccination titer greater than or equal to 1:40 or a pre-vaccination titer greater than or equal to 1:10 and at least a 4-fold increase in post-vaccination titer. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains.
Time Frame
Day 28
Title
Number of Subjects Seroconverted for HI Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Description
A seroconverted subject was defined as a subject that had either a pre-vaccination (Day 0) titer below 1:10 and a post-vaccination titer greater than or equal to 1:40 or a pre-vaccination titer greater than or equal to 1:10 and at least a 4-fold increase in post-vaccination titer. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Time Frame
Month 6
Title
Number of Subjects Seroprotected for HI Antibodies Against All Fluarix Vaccine Strains
Description
A seroprotected subject was defined as a subject with a serum HI titer greater than or equal to 1:40 that usually is accepted as indicating protection. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains.
Time Frame
Day 0 (for all groups) and Day 28 (for groups receiving Fluarix only)
Title
Number of Subjects Seroprotected for HI Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Description
A seroprotected subject was defined as a subject with a serum HI titer greater than or equal to 1:40 that usually is accepted as indicating protection. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Time Frame
Day 0 and Month 6
Title
Mean Geometric Increase (MGI) in HI Antibody Titers Against All Fluarix Vaccine Strains in All Subjects Receiving Fluarix Vaccine
Description
MGI is defined as the geometric mean of the within-subject ratios of the post-vaccination (Day 28) reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains.
Time Frame
Day 28
Title
Mean Geometric Increase (MGI) in HI Antibody Titers Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Description
MGI is defined as the geometric mean of the within-subject ratios of the post-vaccination (Month 6) reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Time Frame
Month 6
Title
Serum Neutralising Antibody Titers Against All Fluarix Vaccine Strains
Description
Antibody titers were expressed as Geometric Mean Titers (GMTs).
Time Frame
Day 0 (for all groups) and Day 28 (for groups receiving Fluarix only)
Title
Serum Neutralising Antibody Titers Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Description
Antibody titers were expressed as GMTs.] Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Time Frame
Day 0 and Month 6
Title
Number of Subjects Seropositive for Serum Neutralising Antibodies Against All Fluarix Vaccine Strains
Description
Seropositivity was defined as antibody titers greater than or equal to 1:28.
Time Frame
Day 0 (for all groups) and Day 28 (for groups receiving Fluarix only)
Title
Number of Subjects Seropositive for Serum Neutralising Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Description
Seropositivity was defined as antibody titers greater than or equal to 1:28. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Time Frame
Day 0 and Month 6
Title
Number of Subjects Seroconverted for Serum Neutralising Antibodies Against All Fluarix Vaccine Strains in Subjects Receiving Fluarix
Description
Seroconverted subject was a subject with a minimum 4-fold increase in titer at post-vaccination for neutralizing antibody response.
Time Frame
Day 28
Title
Number of Subjects Seroconverted for Serum Neutralising Antibodies Against H1N1 in Subjects Receiving Havrix Junior Vaccine
Description
Seroconverted subject was a subject with a minimum 4-fold increase in titer at post-vaccination for neutralizing antibody response. Vaccine strains included in the analysis were H1N1, Victoria and H3N2 strains for subjects in groups receiving Fluarix vaccine and H1N1 strain for subjects in groups receiving Havrix Junior Vaccine.
Time Frame
Month 6
Title
Number of Subjects Reporting Any and Grade 3 Solicited Local Symptoms
Description
Solicited local symptoms assessed include: pain, redness and swelling. Any is any symptom regardless of intensity. Grade 3 was defined as a symptom that prevented normal activity.above 50 millimeter.
Time Frame
During the 7 days (Day 0 - 6) after vaccination
Title
Duration of Any Solicited Local Symptom
Description
Duration was expressed as median number of days the symptom persisted. Solicited local symptoms assessed include: pain, redness and swelling.
Time Frame
During the 7 days (Days 0 - 6) after vaccination
Title
Number of Subjects Less Than 6 Years Reporting Any, Grade 3 and Related Solicited General Symptoms
Description
Solicited general symptoms assessed include diarrhoea, drowsiness, irritability, loss of appetite and fever. Any was defined as any symptom regardless of intensity; any fever was axillary temperature greater than or equal to 37.5 degrees celsius. Grade 3 was a symptom preventing normal everyday activity; grade 3 loss of appetite was not eating at all; grade 3 fever was axillary temperature above 39 degrees celsius. Related was any symptom assessed by the investigator as causally related to the study vaccination.
Time Frame
During the 7 days (Days 0-6) after vaccination
Title
Duration of Any Solicited General Symptom Experienced by Subjects Less Than 6 Years Old
Description
Duration was expressed as median number of days the symptom persisted. Solicited general symptoms assessed include diarrhoea, drowsiness, irritability, loss of appetite and fever.
Time Frame
During a 7-day follow-up period (Day 0-6) after vaccination
Title
Number of Subjects Above 6 Years Reported Any, Grade 3 and Related Solicited General Symptoms
Description
Solicited general symptoms assessed include arthralgia, fatigue, gastrointestinal symptoms, headache, myalgia, shivering, sweating and fever. Any was defined as any symptom regardless of intensity; any fever was axillary temperature greater than or equal to 37.5 degrees celsius. Grade 3 was a symptom preventing normal everyday activity; grade 3 fever was axillary temperature above 39 degrees celsius. Related was any symptom assessed by the investigator as causally related to the study vaccination.
Time Frame
During a 7-day follow-up period (Day 0-6) after vaccination
Title
Duration of Any Solicited General Symptom Experienced by Subjects Above 6 Years Old
Description
Duration was expressed as median number of days the symptom persisted. Solicited general symptoms assessed include fatigue, gastrointestinal symptoms, headache, myalgia, shivering and fever.
Time Frame
During a 7-day follow-up period (Day 0-6) after vaccination
Title
Number of Subjects Reporting Any, Grade 3 and Related Unsolicited Adverse Events (AEs)
Description
Unsolicited AE covers any AE reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms. Any was defined as any symptom regardless of intensity or relationship to vaccination. Grade 3 was a symptom preventing normal everyday activity. Related was any symptom assessed by the investigator as causally related to the study vaccination.
Time Frame
During a 28 day follow-up period (Day 0-27) after vaccination
Title
Number of Subjects Reporting Medically-Attended Events (MAEs), Adverse Events of Specific Interest (AESIs)/ Potential Immune Mediated Diseases (pIMDs) and Adverse Events (AEs) of Special Interest
Description
MAEs: subject received medical attention defined as hospitalisation, an emergency room visit or a visit to or from medical personnel (medical doctor) for any reason. AESIs/pIMD: includes both clearly autoimmune diseases and also other inflammatory and/or neurologic disorders which may or may not have an autoimmune etiology. Adverse events of special interest include both convulsion and anaphylaxis.
Time Frame
During the entire study period (up to Month 6)
Title
Number of Subjects Reporting Serious Adverse Events (SAEs)
Description
SAEs: medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity or are a congenital anomaly/birth defect in the offspring of a study subject.
Time Frame
Up to Day 28
Title
Number of Subjects Reporting Serious Adverse Events (SAEs)
Description
SAEs: medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity or are a congenital anomaly/birth defect in the offspring of a study subject.
Time Frame
Up to Month 6

10. Eligibility

Sex
All
Minimum Age & Unit of Time
1 Year
Maximum Age & Unit of Time
10 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: Subjects having previously been immunized with two 0.25 mL doses of Pandemrix, given at least 21 days apart, at the age of 6 months to 9 years inclusive at the time of first vaccination. Subjects having received the last dose of Pandemrix at least six months prior to study enrolment. Subjects who the investigator believes that parent(s)/Legally Acceptable Representative(s) [LAR(s)] can and will comply with the requirements of the protocol. Written informed consent obtained from the parent(s)/LAR(s) of the subjects. Healthy subjects as established by medical history and clinical examination before entering into the study. Parent/LAR with access to a consistent means of telephone contact, land line or mobile, but NOT a pay phone or other multiple-user device. Exclusion Criteria: Active participation in other clinical trials. Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of the study vaccine or planned use during the study period. Planned administration of any vaccine 30 days prior and 30 days after any study vaccine administration. Chronic administration of immunosuppressants or other immune-modifying drugs within three months prior to enrolment in this study or planned administration during the study period. Acute disease and/or fever at the time of enrolment. Any confirmed or suspected immunosuppressive or immunodeficient condition based on medical history and physical examination. Acute or chronic, clinically-significant pulmonary, cardiovascular, hepatic or renal functional abnormality, as determined by medical history and physical examination. Administration of immunoglobulins and/or any blood products within the three months prior to the enrolment in this study, or planned use during the study. Any known or suspected allergy to any constituent of influenza vaccines; a history of anaphylactic-type reaction to any constituent of influenza vaccines; or a history of severe adverse reaction to a previous influenza vaccine. History of seizures or progressive neurological disease. Subjects having received an H1N1v pandemic vaccine other than Pandemrix or having received the 2010/2011 seasonal influenza vaccine. Child in care.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
GSK Clinical Trials
Organizational Affiliation
GlaxoSmithKline
Official's Role
Study Director
Facility Information:
Facility Name
GSK Investigational Site
City
Rotterdam
ZIP/Postal Code
3011 EN
Country
Netherlands
Facility Name
GSK Investigational Site
City
Karlskrona
ZIP/Postal Code
SE-371 41
Country
Sweden
Facility Name
GSK Investigational Site
City
Malmö
ZIP/Postal Code
SE-205 02
Country
Sweden
Facility Name
GSK Investigational Site
City
Skellefteå
ZIP/Postal Code
SE-931 86
Country
Sweden
Facility Name
GSK Investigational Site
City
Stockholm
ZIP/Postal Code
SE-118 83
Country
Sweden
Facility Name
GSK Investigational Site
City
Umeå
ZIP/Postal Code
SE-901 85
Country
Sweden
Facility Name
GSK Investigational Site
City
Örebro
ZIP/Postal Code
SE-702 11
Country
Sweden

12. IPD Sharing Statement

Plan to Share IPD
Yes
IPD Sharing Plan Description
Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.
Citations:
PubMed Identifier
26069949
Citation
Vesikari T, Richardus JH, Berglund J, Korhonen T, Flodmark CE, Lindstrand A, Silfverdal SA, Bambure V, Caplanusi A, Dieussaert I, Roy-Ghanta S, Vaughn DW. Immunogenicity and Safety of a Trivalent Inactivated Influenza Vaccine in Children 6 Months to 17 Years of Age, Previously Vaccinated with an AS03-Adjuvanted A(H1N1)Pdm09 Vaccine: Two Open-label, Randomized Trials. Pediatr Infect Dis J. 2015 Jul;34(7):774-82. doi: 10.1097/INF.0000000000000709.
Results Reference
derived
Links:
URL
https://www.clinicalstudydatarequest.com
Description
Researchers can use this site to request access to anonymised patient level data and/or supporting documents from clinical studies to conduct further research.
Available IPD and Supporting Information:
Available IPD/Information Type
Study Protocol
Available IPD/Information URL
https://www.clinicalstudydatarequest.com
Available IPD/Information Identifier
114451
Available IPD/Information Comments
For additional information about this study please refer to the GSK Clinical Study Register
Available IPD/Information Type
Individual Participant Data Set
Available IPD/Information URL
https://www.clinicalstudydatarequest.com
Available IPD/Information Identifier
114451
Available IPD/Information Comments
For additional information about this study please refer to the GSK Clinical Study Register
Available IPD/Information Type
Informed Consent Form
Available IPD/Information URL
https://www.clinicalstudydatarequest.com
Available IPD/Information Identifier
114451
Available IPD/Information Comments
For additional information about this study please refer to the GSK Clinical Study Register
Available IPD/Information Type
Dataset Specification
Available IPD/Information URL
https://www.clinicalstudydatarequest.com
Available IPD/Information Identifier
114451
Available IPD/Information Comments
For additional information about this study please refer to the GSK Clinical Study Register
Available IPD/Information Type
Clinical Study Report
Available IPD/Information URL
https://www.clinicalstudydatarequest.com
Available IPD/Information Identifier
114451
Available IPD/Information Comments
For additional information about this study please refer to the GSK Clinical Study Register
Available IPD/Information Type
Statistical Analysis Plan
Available IPD/Information URL
https://www.clinicalstudydatarequest.com
Available IPD/Information Identifier
114451
Available IPD/Information Comments
For additional information about this study please refer to the GSK Clinical Study Register

Learn more about this trial

Immunogenicity and Safety Study of Fluarix™ Vaccine in Children Who Have Previously Been Vaccinated With Pandemrix™

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