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Study to Assess the Immunogenicity and Safety of an Investigational Influenza Vaccine in Children

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
GlaxoSmithKline
ClinicalTrials.gov Identifier:
NCT00980005
First received: September 17, 2009
Last updated: June 14, 2012
Last verified: June 2012

September 17, 2009
June 14, 2012
October 2009
June 2010   (final data collection date for primary outcome measure)
  • Geometric Mean of Haemagglutination Inhibiting (HI) Antibodies Titers Against the Three Strains. [ Time Frame: At Day 0 and 28 after last vaccine dose. ] [ Designated as safety issue: No ]

    The three strains assessed were A/Brisbane/59/2007 (H1N1), A/Uruguay/716/2007 (H3N2) and B/Brisbane/60/2008.

    Titers were expressed as geometric mean antibody titers (GMTs).

  • Number of Seroconverted Subjects for HI Antibodies Against the Three Strains. [ Time Frame: At Day 28 after last vaccine dose. ] [ Designated as safety issue: No ]

    The three strains assessed were A/Brisbane/59/2007 (H1N1), A/Uruguay/716/2007 (H3N2) and B/Brisbane/60/2008.

    Seroconversion was defined as the percentage of vaccinees that had either a pre-vaccination (Day 0) titer < 1:10 and a post-vaccination titer ≥ 1:40 or a pre-vaccination titer ≥ 1:10 and at least a four-fold increase in post-vaccination titer.

Humoral immune response for each vaccine strain in terms of Haemagglutination Inhibiting (HI) antibodies [ Time Frame: At 28 days after last vaccination ] [ Designated as safety issue: No ]
Complete list of historical versions of study NCT00980005 on ClinicalTrials.gov Archive Site
  • Geometric Mean of Haemagglutination Inhibiting (HI) Antibodies Titers Against the Three Strains, by Age-strata. [ Time Frame: At Day 0 and 28 after last vaccine dose. ] [ Designated as safety issue: No ]

    The three strains assessed were A/Brisbane/59/2007 (H1N1), A/Uruguay/716/2007 (H3N2) and B/Brisbane/60/2008.

    Titers were expressed as geometric mean antibody titers (GMTs).

    Subjects in each group were also stratified in the following age-strata: 3-4 years, 5-8 years and 9-17 years.

  • Number of Seroconverted Subjects for HI Antibodies Titers Against the Three Strains, by Age-strata. [ Time Frame: At Day 28 after last vaccine dose. ] [ Designated as safety issue: No ]

    The three strains assessed were A/Brisbane/59/2007 (H1N1), A/Uruguay/716/2007 (H3N2) and B/Brisbane/60/2008.

    Seroconversion was defined as the percentage of vaccinees that had either a pre-vaccination (Day 0) titer < 1:10 and a post-vaccination titer ≥ 1:40 or a pre-vaccination titer ≥ 1:10 and at least a four-fold increase in post-vaccination titer.

    Subjects in each group were also stratified in the following age-strata: 3-4 years, 5-8 years and 9-17 years.

  • Number of Seroprotected Subjects for HI Antibodies Titers Against the Three Strains. [ Time Frame: At Day 0 and 28 after last vaccine dose. ] [ Designated as safety issue: No ]

    The three strains assessed were A/Brisbane/59/2007 (H1N1), A/Uruguay/716/2007 (H3N2) and B/Brisbane/60/2008.

    Seroprotection rate (SPR) was defined as the percentage of vaccinees with a serum HI titer ≥ 1:40 that represents a putative protective level in adults.

  • Number of Seroprotected Subjects for HI Antibodies Titers Against the Three Strains, by Age-strata. [ Time Frame: At Day 0 and 28 after last vaccine dose. ] [ Designated as safety issue: No ]

    The three strains assessed were A/Brisbane/59/2007 (H1N1), A/Uruguay/716/2007 (H3N2) and B/Brisbane/60/2008.

    Seroprotection rate (SPR) was defined as the percentage of vaccinees with a serum HI titer ≥ 1:40 that represents a putative protective level in adults.

    Subjects in each group were also stratified in the following age-strata: 3-4 years, 5-8 years and 9-17 years.

  • Seroconversion Factor (SCF) for HI Antibodies Titers Against the Three Strains. [ Time Frame: At Day 0 and at Day 28 after last vaccine dose ] [ Designated as safety issue: No ]

    The three strains assessed were A/Brisbane/59/2007 (H1N1), A/Uruguay/716/2007 (H3N2) and B/Brisbane/60/2008.

    Seroconversion factor (SCF) was defined as the fold increase in serum HI GMTs post-vaccination compared to pre-vaccination.

    Seroconversion factor (SCF) was defined as the geometric mean of the within subjects ratios of the post-vaccination reciprocal HI titer to the Day 0 reciprocal HI titer. SCFs were calculated at Day 28 following the complete vaccination regimen.

  • Seroconversion Factor (SCF) for HI Antibodies Titers Against the Three Strains, by Age-strata. [ Time Frame: At Day 0 and at Day 28 after last vaccine dose ] [ Designated as safety issue: No ]

    The three strains assessed were A/Brisbane/59/2007 (H1N1), A/Uruguay/716/2007 (H3N2) and B/Brisbane/60/2008.

    Seroconversion factor (SCF) was defined as the fold increase in serum HI GMTs post-vaccination compared to pre-vaccination.

    Seroconversion factor (SCF) was defined as the geometric mean of the within subjects ratios of the post-vaccination reciprocal HI titer to the Day 0 reciprocal HI titer. SCFs were calculated at Day 28 following the complete vaccination regimen.

    Subjects in each group were also stratified in the following age-strata: 3-4 years, 5-8 years and 9-17 years.

  • Number of Subjects Below 5 Years of Age With Any, Severe (Grade 3) and Related to Vaccination Solicited General Adverse Events (AEs). [ Time Frame: During a 4-day follow-up period (Days 0-3) after vaccination. ] [ Designated as safety issue: No ]

    The general symptoms solicited from study subjects younger than 5 years of age were drowsiness, irritability, loss of appetite, and fever(= axillary temperature equal to or above 38.0 degrees Celsius (°C)).

    Any = occurrence of any solicited general symptom regardless of intensity grade or relationship to vaccination.

    Grade 3 drowsiness, irritability = symptom that prevented normal activity. Grade 3 loss of appetite = not eating at all.

    Grade 3 temperature = axillary temperature ≥ 39.0°C and ≤ 40.0°C.

    Related = symptom assessed by the investigator as causally related to the vaccination.

  • Number of Subjects of 5 Years of Age and Above Reporting Any, Severe (Grade 3) and Related to Vaccination Solicited General Adverse Events (AEs). [ Time Frame: During a 4-day follow-up period (Days 0-3) after vaccination. ] [ Designated as safety issue: No ]

    The general symptoms solicited from study subjects 5 years of age and older were arthralgia (joint pain), fatigue, headache, muscle aches, shivering, and fever(= axillary temperature equal to or above 38.0 degrees Celsius (°C)).

    Any = occurrence of any solicited general symptom regardless of intensity grade or relationship to vaccination.

    Grade 3 symptoms = symptoms that prevented normal activity. Grade 3 temperature = axillary temperature ≥ 39.0°C and ≤ 40.0°C.

    Related = symptom assessed by the investigator as causaly related to the vaccination.

  • Number of Subjects Reporting Any and Severe (Grade 3) Solicited Local Adverse Events (AEs). [ Time Frame: During a 4-day follow-up period (Days 0-3) after vaccination. ] [ Designated as safety issue: No ]

    Solicited local symptoms assessed were pain, redness and swelling.

    Any = occurrence of any solicited general symptom regardless of intensity grade.

    Grade 3 pain = pain that prevented normal activity. Grade 3 redness, swelling = redness, swelling above 100 millimeter (mm).

    All solicited local AEs were considered to be causally related to vaccination.

  • Number of Subjects Reporting Any and Severe (Grade 3) Solicited Local Adverse Events (AEs), by Age-strata. [ Time Frame: During a 4-day follow-up period (Days 0-3) after vaccination. ] [ Designated as safety issue: No ]

    Solicited local symptoms assessed were pain, redness and swelling.

    Any = occurrence of any solicited general symptom regardless of intensity grade.

    Grade 3 pain = pain that prevented normal activity. Grade 3 redness, swelling = redness, swelling above 100 millimeter (mm).

    All solicited local AEs were considered to be causally related to vaccination.

    Subjects in each group were also stratified in the following age-strata: 3-4 years, 5-8 years and 9-17 years.

  • Number of Subjects Reporting Any, Severe (Grade 3) and Related to Vaccination Unsolicited Adverse Events (AEs). [ Time Frame: During a 28 day follow-up period (Days 0-27) after vaccination. ] [ Designated as safety issue: No ]

    Any adverse event (AE) reported in addition to those solicited during the clinical study. Also any 'solicited' symptom with onset outside the specified period of follow-up for solicited symptoms was reported as an unsolicited adverse event.

    Grade 3 = event that prevented normal activities. Related = event assessed by the investigator as causally related to the study vaccination.

  • Number of Subjects Reporting Any, Severe (Grade 3) and Related to Vaccination Unsolicited Adverse Events (AEs), by Age-strata. [ Time Frame: During a 28 day follow-up period (Days 0-27) after vaccination. ] [ Designated as safety issue: No ]

    Any adverse event (AE) reported in addition to those solicited during the clinical study. Also any 'solicited' symptom with onset outside the specified period of follow-up for solicited symptoms was reported as an unsolicited adverse event.

    Subjects in each group were also stratified in the following age-strata: 3-4 years, 5-8 years and 9-17 years.

    Grade 3 = event that prevented normal activities. Related = event assessed by the investigator as causally related to the study vaccination.

  • Number of Subjects Reporting Medically Attended Adverse Events (MAEs). [ Time Frame: During the entire study period (From Day 0 up to Day 180). ] [ Designated as safety issue: No ]
    For each solicited and unsolicited symptom the subject experiences, the subject/subject's parent(s)/ Legally Acceptable Representative (LAR(s)) was asked if they received medical attention defined as hospitalisation, an emergency room visit or a visit to or from medical personnel (medical doctor) for any reason.
  • Number of Subjects Reporting Serious Adverse Events (SAEs). [ Time Frame: During the entire study period (From Day 0 up to Day 180). ] [ Designated as safety issue: No ]
    An SAE is defined as any untoward medical occurrence in a patient or clinical investigation subject that: results in death, is lifethreatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity, or is a congenital anomaly/birth defect.
  • Humoral immune response for each vaccine strain in terms of HI antibodies [ Time Frame: At Day 0 and 28 days after last vaccination ] [ Designated as safety issue: No ]
  • Solicited local adverse events [ Time Frame: During a 4 day (Day 0 - 3) follow-up after each vaccination ] [ Designated as safety issue: No ]
  • Solicited general adverse events [ Time Frame: During a 4 day (Day 0 - 3) follow-up after each vaccination ] [ Designated as safety issue: No ]
  • Unsolicited adverse events [ Time Frame: During a 28 day (Day 0 - 27) follow-up after each vaccination ] [ Designated as safety issue: No ]
  • Medically attended adverse events [ Time Frame: From the beginning (Day 0) of the study up to study end (Day 180) ] [ Designated as safety issue: No ]
  • Serious adverse events [ Time Frame: From the beginning (Day 0) of the study up to study end (Day 180) ] [ Designated as safety issue: No ]
Not Provided
Not Provided
 
Study to Assess the Immunogenicity and Safety of an Investigational Influenza Vaccine in Children
Immunogenicity & Safety Study of GSK Biologicals' Thimerosal-free Trivalent Influenza Vaccine (TIV) Versus a Licensed Comparator in Children

The objective of this study is to evaluate the immunogenicity and safety of GSK Biologicals' investigational vaccine GSK1557482A.

Not Provided
Interventional
Phase 3
Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Prevention
Influenza Infection
  • Biological: GSK investigational vaccine GSK1557482A
    One intramuscular injection for primed subjects, two intramuscular injections for unprimed subjects
  • Biological: Fluzone®
    One intramuscular injection for primed subjects, two intramuscular injections for unprimed subjects
  • Experimental: Flulaval Group

    subjects received Flulaval™ vaccine according to their priming status and age:

    • 3-8 years: primed subjects 1 dose at Day 0; unprimed subjects 1 dose at Day 0 and a second dose at Day 28
    • 9-17 years: 1 dose at Day 0 Flulaval vaccine was administered intramuscularly into the non-dominant deltoid.
    Intervention: Biological: GSK investigational vaccine GSK1557482A
  • Active Comparator: Fluzone Group

    subjects received Fluzone® Sanofi Pasteur's vaccine according to their priming status and age:

    • 3-8 years: primed subjects 1 dose at Day 0; unprimed subjects 1 dose at Day 0 and a second dose at Day 28
    • 9-17 years: 1 dose at Day 0 Fluzone vaccine was administered intramuscularly into the non-dominant deltoid.
    Intervention: Biological: Fluzone®
Domachowske JB, Blatter M, Chandrasekaran V, Liu A, Jain VK, Fries L. A randomized, controlled trial in children to assess the immunogenicity and safety of a thimerosal-free trivalent seasonal influenza vaccine. Pediatr Infect Dis J. 2012 Jun;31(6):605-15. doi: 10.1097/INF.0b013e31824e2924.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
2116
June 2010
June 2010   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • Subjects and/or subject parent(s)/Legally Acceptable Representative(s) (LAR) who the investigator believes can and will comply with the requirements of the protocol.
  • A male or female child aged between 3 years and 17 years of age at the time of the first vaccination; children who may or may not have had previous administration of influenza vaccine in a previous season are acceptable.
  • Written informed consent obtained from the subject/from the parent(s)/LAR(s) of the subject.
  • Healthy subjects as established by medical history and history-directed clinical examination before entering into the study.
  • Female subjects of non-childbearing potential may be enrolled in the study.
  • Female subjects of childbearing potential may be enrolled in the study, if the subject:
  • has practiced adequate contraception for 30 days prior to vaccination, and
  • has a negative pregnancy test on the day of vaccination, and
  • has agreed to continue adequate contraception during the entire treatment period and for 2 months after completion of the vaccination series.

Exclusion Criteria:

  • Use of any investigational or non-registered product other than the study vaccines within 30 days preceding the administration of the study vaccine, or planned use during the study period. Routine, registered childhood vaccinations or registered and recommended pandemic influenza vaccine are not an exclusion.
  • Receipt of a seasonal influenza vaccine outside of this study, during current (2009-2010) flu season.
  • Child in care
  • Receipt of systemic glucocorticoids within 1 month prior to study enrollment, or any other cytotoxic or immunosuppressive drug within 6 months of study enrollment. Topical, intra-articular or inhaled glucocorticoids are allowed.
  • Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational product.
  • History of hypersensitivity to any vaccine.
  • History of Guillain-Barré-syndrome within 6 weeks of receipt of prior inactivated influenza virus vaccine.
  • History of any reaction or hypersensitivity likely to be exacerbated by any component of the vaccine(s).
  • Acute disease and/or fever at the time of enrolment.
  • Administration of immunoglobulins and/or any blood products within the 3 months preceding the first dose of study vaccine or planned administration during the study period.
  • Pregnant or lactating female.
  • History of chronic alcohol consumption and/or drug abuse.
  • Female planning to become pregnant or planning to discontinue contraceptive precautions.
  • Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination.
Both
3 Years to 17 Years
Yes
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00980005
112999
Not Provided
GlaxoSmithKline
GlaxoSmithKline
Not Provided
Study Director: GSK Clinical Trials GlaxoSmithKline
GlaxoSmithKline
June 2012

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP