The objective of the study is to evaluate the immunogenicity and safety of prime-boost vaccination schedule of GSK Biologicals' investigational vaccine GSK1562902A.
This protocol posting was modified according to the protocol amendment 2 (dated 16-June-2011). The impacted section is eligibility criteria.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
113
Three intramuscular injections
GSK Investigational Site
Garran, Australian Capital Territory, Australia
GSK Investigational Site
Westmead, New South Wales, Australia
GSK Investigational Site
North Adelaide, South Australia, Australia
GSK Investigational Site
Carlton, Victoria, Australia
Number of Seroconverted Subjects in Terms of H5N1 Hemagglutination Inhibition (HI) Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
A seroconverted subject is defined as a subject 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 4-fold increase in post-vaccination titer on Day 192.
Time frame: At Day 192
Mean Geometric Change in Terms of H5N1 HI Antibodies Against A/Turkey/Turkey/01/2005 H5N1 Virus Strain
Mean Geometric Change is defined as the geometric mean of the within-subject ratios of the post vaccination (Day 192) reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer (i.e. post-vaccination divided by pre-vaccination titer).
Time frame: At Day 192
Number of Seroprotected Subjects in Terms of H5N1 HI Antibodies Against A/Turkey/Turkey/01/2005 H5N1 Virus Strain
A seroprotected subject is defined as a subject with a serum H5N1 HI antibody titer ≥1:40.
Time frame: At Day 192
Hemagglutination Inhibition (HI) Antibody Titers Against the A/Indonesia/05/2005 H5N1 Virus Strain
Titers were presented as geometric mean titers (GMTs). Analyses were done by age stratum and overall.
Time frame: At Day 0, Day 42, Day 182, Day 192 and Day 364
Hemagglutination Inhibition (HI) Antibody Titers Against the A/Turkey/Turkey/01/2005 H5N1 Virus Strain
Titers were presented as geometric mean titers (GMTs). Analyses were done by age stratum and overall.
Time frame: At Day 0, Day 182, Day 192 and Day 364
Number of Seropositive Subjects in Terms of H5N1 HI Antibodies Against A/Indonesia/05/2005
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GSK Investigational Site
Singapore, Singapore
GSK Investigational Site
Singapore, Singapore
A seropositive subject is defined as a subject with a serum H5N1 HI antibody titer ≥ 1:10.
Time frame: At Day 0, Day 42, Day 182, Day 192 and Day 364
Number of Seropositive Subjects in Terms of H5N1 HI Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
A seropositive subject is defined as a subject with a serum H5N1 HI antibody titer ≥ 1:10.
Time frame: At Day 0, Day 182, Day 192 and Day 364
Number of Seroconverted Subjects in Terms of H5N1 HI Antibodies Against A/Indonesia/05/2005 H5N1 Virus Strain
A seroconverted subjects is defined as a subject who 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 4-fold increase in post-vaccination titer.
Time frame: At Day 42, Day 182, Day 192 and Day 364
Number of Seroconverted Subjects in Terms of H5N1 HI Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
A seroconverted subjects is defined as a subject who 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 4-fold increase in post-vaccination titer. Data for Day 192 are presented under Primary Outcome Measures.
Time frame: At Day 182 and Day 364
Number of Seroprotected Subjects in Terms of H5N1 HI Antibodies Against A/Indonesia/05/2005 Virus Strain
A seroprotected subject is defined as a subject with a serum H5N1 HI antibody titer ≥1:40.
Time frame: At Day 0, Day 42, Day 182, Day 192 and Day 364
Number of Seroprotected Subjects in Terms of H5N1 HI Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
A seroprotected subject is defined as a subject with a serum H5N1 HI antibody titer ≥1:40. Data for Day 192 are presented under Primary Outcome Measures.
Time frame: Day 0, Day 182 and Day 364
Mean Geometric Change in Terms of H5N1 HI Antibodies Against A/Indonesia/05/2005 H5N1 Virus Strain
Mean Geometric Change is defined as the geometric mean of the within-subject ratios of the post-vaccination reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer (i.e. post-vaccination divided by pre-vaccination titer).
Time frame: At Day 42, Day 182, Day 192 and Day 364
Mean Geometric Change in Terms of H5N1 HI Antibodies Against A/Turkey/Turkey/01/2005 H5N1 Virus Strain
Mean Geometric Change is defined as the geometric mean of the within-subject ratios of the post vaccination reciprocal HI titer to the pre-vaccination (Day 0) reciprocal HI titer (i.e. post-vaccination divided by pre-vaccination titer). Data for Day 192 are presented under Primary Outcome Measures.
Time frame: Day 182 and Day 364
Number of Booster Seroconverted Subjects in Terms of H5N1 HI Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
Booster seroconversion is defined as follows: For seronegative subjects at pre-booster (Day 182), antibody titer ≥1:40 at post-booster time point(s). For seropositive subjects at pre-booster (Day 182), antibody titer at post-booster time point(s) ≥4-fold the pre-booster antibody titer.
Time frame: At Day 192 and Day 364
Booster Factor in Terms of Neutralizing Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
Booster Factor was defined as the geometric mean of the within-subject ratios of the post-booster vaccination reciprocal HI titer to the pre-booster (Day 182) reciprocal titer.
Time frame: At Day 192 and Day 364
Number of Seropositive Subjects in Terms of Serum Neutralizing Antibodies Against A/Indonesia/05/2005 H5N1 Virus Strain
A seropositive subject is defined as a subject with serum neutralizing antibody titers ≥ 1:28
Time frame: Day 0, Day 42, Day 182, Day 192 and Day 364
Number of Seropositive Subjects in Terms of Serum Neutralizing Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
A seropositive subject is defined as a subject with serum neutralizing antibody titers ≥ 1:28.
Time frame: Day 0, Day 182, Day 192 and Day 364
Serum Neutralizing Antibody Titers in Terms of Neutralizing Antibodies Against A/Indonesia/05/2005 H5N1 Virus Strain
Titers were presented as geometric mean titers (GMTs).
Time frame: Day 0, Day 42, Day 182, Day 192 and Day 364
Serum Neutralizing Antibody Titers in Terms of Neutralizing Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
Titers were presented as geometric mean titers (GMTs).
Time frame: Day 0, Day 182, Day 192 and Day 364
Number of Subjects With a Vaccine Response in Terms of Serum Neutralizing Antibodies Against A/Indonesia/05/2005 H5N1 Virus Strain
Vaccine response is defined as: For initially seronegative subjects, neutralizing antibody titer ≥ 1:56 at the considered time point after vaccination For initially seropositive subjects, neutralizing antibody titer ≥ 4 fold from pre-vaccination (Day 0)
Time frame: At Day 42, Day 182, Day 192 and Day 364
Number of Subjects With a Vaccine Response in Terms of Serum Neutralizing Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
Vaccine response is defined as: For initially seronegative subjects, neutralizing antibody titer ≥ 1:56 at the considered time point after vaccination For initially seropositive subjects, neutralizing antibody titer ≥ 4 fold from pre-vaccination (Day 0)
Time frame: At Day 182, Day 192 and Day 364
Number of Subjects With a Booster Vaccine Response in Terms of Serum Neutralizing Antibodies Against A/Turkey/Turkey/1/2005 H5N1 Virus Strain
Booster vaccine response is defined as: For seronegative subjects at Day 182, neutralizing antibody titers ≥ 1:56 at the considered time point after vaccination For seropositive subjects at Day 182, neutralizing antibody titers ≥ 4 fold from pre-vaccination (Day 182)
Time frame: At Day 192 and Day 364
Number of Subjects With Any and Grade 3 Solicited Local Symptoms
Solicited local symptoms assigned were pain, swelling and redness. Any was defined as occurrence of any local symptom regardless of intensity grade; Grade 3 pain was defined as cried when limb was moved spontaneously painful.
Time frame: During the 7-day post-vaccination period following each dose and across doses (Day 0 - Day 7, Day 21 - Day 28, Day 182 - Day 189)
Number of Subjects With Any, Grade 3 and Related Solicited General Symptoms
Solicited general symptoms assessed were diarrhoea/ vomiting, drowsiness, irritability/ fussiness, loss of appetite, fever (axillary). Any= occurrence of any general symptom regardless of intensity grade and relationship to the vaccine. Irritability/ fussiness grade 3=crying that could not be comforted/ prevented normal activity; Drowsiness grade 3= drowsiness that prevented normal activity; Loss of appetite grade 3= did not eat at all; Diarrhoea/ vomiting grade 3= diarrhoea/ vomiting that prevented normal activity; Related= general symptom assessed by the investigator as causally related to the study vaccination.
Time frame: During the 7-day post-vaccination period following each dose and across doses (Day 0 - Day 7, Day 21 - Day 28, Day 182 - Day 189)
Number of Subjects With Medically-attended Events (MAEs)
MAEs were defined as events for which the subject received medical attention defined as hospitalization, an emergency room visit, or a visit to or from medical personnel (medical doctor) for any reason. Any MAE(s) = Occurrence of any MAE(s) regardless of intensity grade or relation to vaccination. Analysis of intensity and relationship to vaccination of MAEs was not performed.
Time frame: During the entire study period (from Day 0 to Day 364)
Number of Subjects With Potential Immune-mediated Disease (pIMDs)
Potential immune-mediated diseases (pIMDs) are a subset of AEs that include autoimmune diseases and other inflammatory and/or neurologic disorders of interest which may or may not have an autoimmune aetiology.
Time frame: During the entire study period (from day 0 to Day 364)
Number of Subjects With Unsolicited Adverse Events (AEs)
An AE is any untoward medical occurrence in a clinical investigation subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. "Any" was defined as an incidence of an unsolicited AE regardless of intensity or relationship to study vaccination. "Grade 3" was defined as an AE which prevented normal, everyday activities. "Related" was defined as an AE assessed by the investigator as causally related to the study vaccination.
Time frame: During a 21 day follow-up period after each vaccination (Day 0 - Day 21, Day 21 - Day 42, Day 182 - Day 203)
Number of Subjects With Unsolicited Adverse Events (AEs)
An AE is any untoward medical occurrence in a clinical investigation subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. "Any" was defined as an incidence of an unsolicited AE regardless of intensity or relationship to study vaccination. "Grade 3" was defined as an AE which prevented normal, everyday activities. "Related" was defined as an AE assessed by the investigator as causally related to the study vaccination.
Time frame: During an 84 day follow-up period after each vaccination (Day 0 - Day 84, Day 21 - Day 105, Day 182 - Day 266)
Number of Subjects With Serious Adverse Events (SAEs)
Serious adverse events (SAEs) assessed included medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/ incapacity.
Time frame: During the entire study period (from Day 0 to 364)