Last updated: 11/07/2018 06:23:01

Safety and immunogenicity of H1N1 vaccine with trivalent inactivated seasonal influenza vaccine in adults

GSK study ID
113536
Clinicaltrials.gov ID
EudraCT ID
Not applicable
EU CT Number
Not applicable
Trial status
Study complete
Study complete
Overview
Eligibility
Locations
Study documents
Results summary
Plain language summaries
Additional information

Trial overview

Official title: A study to evaluate the safety and immunogenicity of an A/California/7/2009 (H1N1)v-like vaccine GSK2340274A or GSK2340273A co-administered with trivalent inactivated seasonal influenza vaccine in adults 19 to 40 years of age
Trial description: The purpose of this study is to characterize the safety and immunogenicity of the H1N1 (swine) flu vaccines GSK2340274A and GSK2340273A when co-administered with the seasonal flu vaccine in adults 19 to 40 years of age.
Primary purpose:
Prevention
Trial design:
Parallel Assignment
Masking:
Triple (Participant, Investigator, Outcomes Assessor)
Allocation:
Randomized
Primary outcomes:

Hemagglutination inhibition (HI) antibody titers against A/California/7/2009 H1N1 vaccine strain.

Timeframe: 21 days after the second dose of Arepanrix vaccine (at Day 42).

Hemagglutination inhibition (HI) antibody titers against A/California/7/2009 H1N1 vaccine strain.

Timeframe: 21 days after the second dose of the unadjuvanted formulation of Arepanrix vaccine (at Day 42)

Secondary outcomes:

Number of influenza-specific cluster of differentiation 4 (CD4) T-cells per million producing two or more markers within cluster differentiation 40 ligand (CD40L), interleukin-2 (IL-2), interferon-γ (IFN-γ) and tumor necrosis factor-α (TNF-α).

Timeframe: On Days 0, 7, 21, 28, 42, 63 and 182

Number of influenza-specific cluster of differentiation 8 (CD8) T-cells per million producing two or more markers within cluster differentiation 40 ligand (CD40L), interleukin-2 (IL-2), interferon-γ (IFN-γ) and tumor necrosis factor-α (TNF-α).

Timeframe: On Days 0, 7, 21, 28, 42, 63 and 182

Number of subjects reporting clinical laboratory abnormalities in biochemical and haematological parameters assessed

Timeframe: On Days 0, 7, 21, 28, 42, 63 and 182

Number of subjects reporting clinical laboratory abnormalities in biochemical and haematological parameters assessed

Timeframe: On Days 0, 7, 21, 28, 42, 63 and 182

Number of subjects reporting solicited local symptoms.

Timeframe: During a 7-day follow-up period (Days 0-6) post-vaccination period

Number of subjects reporting solicited general symptoms.

Timeframe: During a 7-day follow-up period (Days 0-6) post-vaccination period

Number of subjects reporting clinical laboratory abnormalities in biochemical and haematological parameters assessed

Timeframe: On Days 0, 7, 21, 28, 42, 63 and 182

Number of subjects reporting unsolicited adverse events (AEs).

Timeframe: Within the 84-day (Days 0-83) post-vaccination period.

Number of subjects reporting medically attended visits (MAEs).

Timeframe: During the entire study period (Days 0-368).

Number of subjects reporting potential immune diseases (pIMDs).

Timeframe: During the entire study period (Days 0-406).

Number of subjects reporting serious adverse events (SAEs).

Timeframe: During the entire study period (Days 0-329).

Number of subjects reporting clinical laboratory abnormalities in biochemical and haematological parameters assessed

Timeframe: On Days 0, 7, 21, 28, 42, 63 and 182

Microneutralization antibody titers against A/California/7/2009 (H1N1) strain.

Timeframe: On Days 0, 21, 42, 63 and 182

Number of subjects with a microneutralization titer greater than or equal to 1:28 for antibodies against A/California/7/2009 (H1N1) strain.

Timeframe: On Days 0, 21, 42, 63 and 182

Vaccine response rates (VRR) for microneutralization antibody titers against A/California/7/2009 (H1N1) strain.

Timeframe: On Days 0, 21, 42, 63 and 182

Hemagglutination Inhibition (HI) antibody titers against A/California/7/2009 H1N1 vaccine strain.

Timeframe: 21 days after the second dose of Arepanrix vaccine (Day 63 for Flulaval/placebo/Arepanrix Group and Day 42 for Arepanrix/placebo/Flulaval Group)

Hemagglutination Inhibition (HI) antibody titers against A/California/7/2009 H1N1 vaccine strain.

Timeframe: 21 days after the second dose of the unadjuvanted formulation of Arepanrix vaccine (Day 63 for Flulaval/placebo/unadjuvanted Arepanrix Group and Day 42 for Unadjuvanted Arepanrix/placebo/Flulaval Group)

Hemagglutination Inhibition (HI) antibody titers against A/California/7/2009 H1N1 vaccine strain.

Timeframe: 21 days after the second dose of the pandemic vaccine (at Day 63)

Hemagglutination Inhibition (HI) antibody titers against each of the three Flulaval strains.

Timeframe: 21 days after the Flulaval vaccination (at Day 21).

Hemagglutination Inhibition (HI) antibody titers against each of the three Flulaval strains.

Timeframe: 21 days after the Flulaval vaccination (at Day 21).

Hemagglutination Inhibition (HI) antibody titers against each of the three Flulaval strains.

Timeframe: 21 days after the Flulaval vaccination (Day 63 for Arepanrix/placebo/Flulaval Group and Day 21 for Flulaval/placebo/unadjuvanted Arepanrix and Flulaval/placebo/Arepanrix Groups)

Hemagglutination Inhibition (HI) antibody titers against each of the three Flulaval strains.

Timeframe: 21 days after the Flulaval vaccination (Day 63 for Unadjuvanted Arepanrix/placebo/Flulaval Group and Day 21 for Flulaval/placebo/unadjuvanted Arepanrix and Flulaval/placebo/Arepanrix Groups)

Geometric mean antibody titers (GMTs) for hemagglutination inhibition (HI) antibodies against Flu A/California H1N1 strain.

Timeframe: On Days 0, 21, 42 and 63

Geometric mean antibody titers (GMTs) for hemagglutination inhibition (HI) antibodies against Flu A/California H1N1 strain.

Timeframe: At Day 182

Number of seroconverted subjects for antibodies against A/ California strain.

Timeframe: At Day 63 from Day 21 for Flulaval/placebo/unadjuvanted Arepanrix and Flulaval/placebo/Arepanrix Groups; At Day 42 from Day 0 for the 4 other groups

Number of seroprotected subjects for antibodies against A/California strain.

Timeframe: At Day 63 for Flulaval/placebo/unadjuvanted Arepanrix and Flulaval/placebo/Arepanrix Groups; At Day 42 for the 4 other groups.

Seroconversion factor for antibodies against A/California strain.

Timeframe: At Day 63 from Day 21 for Flulaval/placebo/unadjuvanted Arepanrix and Flulaval/placebo/Arepanrix Groups; At Day 42 from Day 0 for the 4 other groups

Number of seroconverted subjects for antibodies against Flulaval vaccine strains.

Timeframe: At Day 21 from Day 0 for the pooled group, Flulaval/unadjuvanted Arepanrix/placebo and Flulaval/Arepanrix/placebo Groups; at Day 63 from Day 42 for Unadjuvanted Arepanrix/placebo/Flulaval Group and Arepanrix/placebo/Flulaval Group

Number of seroprotected subjects for antibodies against Flulaval vaccine strains

Timeframe: At Day 21 for the pooled group, Flulaval/unadjuvanted Arepanrix/placebo and Flulaval/Arepanrix/placebo Groups; at Day 63 for Unadjuvanted Arepanrix/placebo/Flulaval Group and Arepanrix/placebo/Flulaval Group

Seroconversion factor for antibodies against Flulaval vaccine strains.

Timeframe: At Day 21 from Day 0 for the pooled group, Flulaval/unadjuvanted Arepanrix/placebo and Flulaval/Arepanrix/placebo Groups; at Day 63 from Day 42 for Unadjuvanted Arepanrix/placebo/Flulaval Group and Arepanrix/placebo/Flulaval Group

Number of seroconverted subjects for antibodies against Flulaval vaccine strains

Timeframe: on Days 21 and 63 from Day 0 for the first 4 groups; on Days 42 and 63 from Day 0 for the Unadjuvanted Arepanrix/placebo/Flulaval and Arepanrix/placebo/Flulaval Groups

Number of seroconverted subjects for antibodies against Flulaval vaccine strains

Timeframe: At Day 182 from Day 0

Number of seroprotected subjects for antibodies against Flulaval vaccine strains.

Timeframe: before vaccination and on days 21 and 63 for the first 4 groups and before vaccination and on days 42 and 63 for the Unadjuvanted Arepanrix/placebo/Flulaval and Arepanrix/placebo/Flulaval Groups

Number of seroprotected subjects for antibodies against Flulaval vaccine strains.

Timeframe: At Day 182 after the first dose

Seroconversion factor for antibodies against Flulaval vaccine strains.

Timeframe: On Days 21 and 63 from Day 0 for the first 4 groups and on Days 42 and 63 from Day 0 for the Unadjuvanted Arepanrix/placebo/Flulaval and Arepanrix/placebo/Flulaval Groups

Seroconversion factor for antibodies against Flulaval vaccine strains.

Timeframe: At Day 182 from Day 0

Geometric mean antibody titers (GMTs) for hemagglutination inhibition (HI) antibodies against Flulaval vaccine strains.

Timeframe: On Days 0, 21 and 63 for the first 4 groups and on Days 0, 42 and 63 for the Unadjuvanted Arepanrix/placebo/Flulaval and Arepanrix/placebo/Flulaval Groups

Geometric mean antibody titers (GMTs) for hemagglutination inhibition (HI) antibodies against Flulaval vaccine strains.

Timeframe: At Day 182 after dose 1 vaccination

Interventions:
  • Biological/vaccine: GSK2340274A
  • Biological/vaccine: GSK2340273A
  • Biological/vaccine: Seasonal trivalent influenza vaccine (TIV)
  • Biological/vaccine: Saline placebo
  • Enrollment:
    611
    Primary completion date:
    2009-28-12
    Observational study model:
    Not applicable
    Time perspective:
    Not applicable
    Clinical publications:
    Langley JM et al. (2012) A randomized, controlled non-inferiority trial comparing A(H1N1)pmd09 vaccine antigen, with and without AS03 adjuvant system, co-administered or sequentially administered with an inactivated trivalent seasonal influenza vaccine. BMC Infect Dis. 12:279.
    Medical condition
    Influenza
    Product
    GSK1536489A, GSK2340273A, GSK2340274A
    Collaborators
    Not applicable
    Study date(s)
    October 2009 to December 2010
    Type
    Interventional
    Phase
    2

    Participation criteria

    Sex
    Female & Male
    Age
    19 - 40 years
    Accepts healthy volunteers
    Yes
    • Subjects who the investigator believes can and will comply with the requirements of the protocol.
    • Written informed consent obtained from the subject.
    • Previous vaccination with an H1N1v-like virus vaccine or a medical history of physician-confirmed infection with an H1N1v-like virus.
    • Prior receipt at any time of any seasonal influenza vaccine.

    Trial location(s)

    Location
    Status
    Contact us
    Contact us
    Location
    GSK Investigational Site
    Halifax, Nova Scotia, Canada, B3K 6R8
    Status
    Study Complete
    Location
    GSK Investigational Site
    Sherbrooke, Québec, Canada, J1H 4J6
    Status
    Study Complete
    Location
    GSK Investigational Site
    Montreal, Québec, Canada, H2K 4L5
    Status
    Study Complete
    Location
    GSK Investigational Site
    Fort Worth, Texas, United States, 76135
    Status
    Study Complete
    Location
    GSK Investigational Site
    Raleigh, North Carolina, United States, 27612
    Status
    Study Complete
    Location
    GSK Investigational Site
    Austin, Texas, United States, 78705
    Status
    Study Complete
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    Study documents

    Clinical study report
    Available language(s): English
    Scientific result summary
    Available language(s): English

    If you wish to request for full study report, please contact - [email protected]

    Results overview

    Results posted on ClinicalTrials.gov

    Recruitment status
    Study complete
    Actual primary completion date
    2009-28-12
    Actual study completion date
    2010-29-12

    Plain language summaries

    Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.

    Additional information about the trial

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