Comparison of GlaxoSmithKline (GSK)134612 in Subjects With Increased Risk for Meningococcal Disease Versus Healthy Subjects

Immunogenicity and Safety Study of GSK Biologicals' Meningococcal Vaccine GSK 134612 Administered to at Risk Subjects From 1 to Less Than 18 Years

The purpose of this study is to investigate the immunogenicity, reactogenicity and safety of the new meningococcal vaccine 134612 in subjects with increased risk of meningococcal disease and compare it to its activity in healthy subjects.

Study Overview

• Status: Completed
• Conditions: Infections, Meningococcal
• Intervention / Treatment: Biological: Meningococcal vaccine GSK134612

Detailed Description

For each at risk subject enrolled, an age-matched healthy subject will be enrolled. Age matching will be performed according to the following age strata: 1-5 years, 6-10 years, 11-17 years.

• Study Type: Interventional
• Enrollment (Actual): 86
• Phase: Phase 3

Contacts and Locations

Study Locations

• Czechia
  • Brno, Czechia, 613 00
    • GSK Investigational Site
  • Hradec Kralove, Czechia, 500 02
    • GSK Investigational Site
• United States
  • California
    • Antioch, California, United States, 94509
      • GSK Investigational Site
    • Daly City, California, United States, 94015
      • GSK Investigational Site
    • Fremont, California, United States, 94538
      • GSK Investigational Site
    • Hayward, California, United States, 94545
      • GSK Investigational Site
    • Oakland, California, United States, 94611
      • GSK Investigational Site
    • Redwood City, California, United States, 94063
      • GSK Investigational Site
    • Roseville, California, United States, 95661
      • GSK Investigational Site
    • Sacramento, California, United States, 95823
      • GSK Investigational Site
    • Sacramento, California, United States, 95815
      • GSK Investigational Site
    • Santa Clara, California, United States, 95051
      • GSK Investigational Site
    • Santa Rosa, California, United States, 95403
      • GSK Investigational Site
    • Vallejo, California, United States, 94589
      • GSK Investigational Site
  • North Carolina
    • Durham, North Carolina, United States, 27705
      • GSK Investigational Site
    • Durham, North Carolina, United States, 27704
      • GSK Investigational Site

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 1 year to 17 years (Child)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Subjects who the investigator believes that parent(s)/Legally Acceptable Representative(s) [LAR(s)] can and will comply with the requirements of the protocol.
• A male or female 1 to 17 years of age at the time of the first vaccination.
• Written informed consent obtained from the parent(s)/LAR(s) of the subject and informed assent obtained from the subject, if appropriate, prior to enrolment.
• 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 one month (30 days) prior to the first vaccine dose, and
  • has a negative pregnancy test on the day of vaccination, and
  • has agreed to continue adequate contraception from administration of the first vaccine dose until 2 months after administration of the second vaccine dose.

Additional inclusion criterion for At-risk group • Subjects with an increased risk for meningococcal disease, such as anatomic asplenia or some degree of functional asplenia or complement deficiencies.

Additional inclusion criteria for Healthy group

• Healthy subject as established by medical history and clinical examination before entering into the study.
• Age-matched to a subject from the At-risk group according to age strata 1-5 years, 6-10 years and 11 to 17 years.

Exclusion Criteria:

• Child in care.
• Use of any investigational or non-registered product other than the study vaccine within 30 days preceding the first dose of study vaccine, or planned use during the study period (until the phone contact at Month 8).
• Planned administration/administration of a vaccine not foreseen by the study protocol during the period starting 30 days before administration of each study vaccine dose until 30 days after administration of each study vaccine dose. Administration of licensed inactivated influenza vaccines is allowed as per local recommendations.
• 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 meningococcal disease.
• Any confirmed or suspected Human Immunodeficiency Virus (HIV) infection, based on medical history and physical examination.
• Administration of immunoglobulins and/or any blood products within the 3 months preceding the first dose of study vaccine until one month after the second dose of study vaccine.
• History of any reaction or hypersensitivity likely to be exacerbated by any component of the vaccine including latex.
• Major congenital defects.
• History of any neurological disorders or seizures, including Guillain-Barré syndrome (GBS). History of a simple, single febrile seizure is permitted.
• Acute disease and/or fever at the time of enrolment.
• Pregnant or lactating female.
• History of chronic alcohol consumption and/or drug abuse.
• Female planning to become pregnant or planning to discontinue contraceptive precautions.

Additional exclusion criteria for the At-risk group

• Vaccination against meningococcal disease of any serogroup

• within the last 3 years for subjects younger than 7 years.
• within the last 5 years for subjects 7 years and older.

Additional exclusion criteria for the Healthy group

• Vaccination against meningococcal disease of any serogroup with polysaccharide or conjugate vaccine within the last 5 years.
• Chronic administration of immunosuppressants or other immune-modifying drugs within 6 months prior to the first vaccine dose.
• Family history of congenital or hereditary immunodeficiency.
• Any confirmed or suspected immunosuppressive or immunodeficient condition.
• Serious chronic illness.
• History of asplenia or hyposplenia or complement deficiencies.

Study Plan

How is the study designed?

Design Details

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

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Healthy Group; The subjects in the Healthy group will be age-matched to the subjects in the At-risk group. Subjects will receive 2 doses of the investigational vaccine.	Biological: Meningococcal vaccine GSK134612; 2 doses of the vaccine administered intramuscularly in the anterolateral thigh muscle of the non-dominant leg for subjects aged 12 months to 2 years and in the deltoid of the non-dominant arm for older subjects.
Experimental: At-risk Group; This group includes subjects with medical conditions placing them at an increased risk for meningococcal disease. Subjects will receive 2 doses of the investigational vaccine.	Biological: Meningococcal vaccine GSK134612; 2 doses of the vaccine administered intramuscularly in the anterolateral thigh muscle of the non-dominant leg for subjects aged 12 months to 2 years and in the deltoid of the non-dominant arm for older subjects.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Number of Subjects With a Vaccine Response for Serum Bactericidal Assay Using Rabbit Complement Against Neisseria Meningitides Serogroups A, C, W-135 and Y (rSBA-MenA, rSBA-MenC, rSBA-MenW-135, rSBA-MenY) Antibodies	Vaccine response was defined as: rSBA antibody titers greater than or equal to (≥) 1:32, for initially seronegative subjects [i.e. pre-vaccination rSBA antibody titers below (<) 1:8] and at least a 4-fold increase in rSBA antibody titers from pre to post-vaccination, for initially seropositive subjects (i.e. pre-vaccination rSBA antibody titers ≥ 1:8).	One month after the first vaccine dose (at Month 1)
Number of Subjects With a Vaccine Response for Serum Bactericidal Assay Using Human Complement Against N. Meningitides Serogroups A, C, W-135 and Y (hSBA-MenA, hSBA-MenC, hSBA-MenW-135, hSBA-MenY) Antibodies	Vaccine response was defined as: hSBA antibody titers ≥ 1:8, for initially seronegative subjects (i.e. pre-vaccination rSBA antibody titers < 1:4) and at least a 4-fold increase in hSBA antibody titers from pre to post-vaccination, for initially seropositive subjects (i.e. pre-vaccination rSBA antibody titers ≥ 1:4).	One month after the first vaccine dose (at Month 1)

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Number of Subjects With a Vaccine Response for rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibodies	Vaccine response was defined as: rSBA antibody titers ≥ 1:32, for initially seronegative subjects (i.e. pre-vaccination rSBA antibody titers < 1:8) and at least a 4-fold increase in rSBA antibody titers from pre to post-vaccination, for initially seropositive subjects (i.e. pre-vaccination rSBA antibody titers ≥ 1:8).	One month after the second vaccine dose (At Month 3)
Number of Subjects With a Vaccine Response to hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-MenY Antibodies	Vaccine response was defined as: hSBA antibody titers ≥ 1:8, for initially seronegative subjects (i.e. pre-vaccination rSBA antibody titers < 1:4) and at least a 4-fold increase in hSBA antibody titers from pre to post-vaccination, for initially seropositive subjects (i.e. pre-vaccination rSBA antibody titers ≥ 1:4).	One month after the second vaccine dose (At Month 3)
Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135, rSBA-MenY Titers ≥ the Cut-off Values	The cut-off value for the assay was ≥ 1:8.	At pre-primary vaccination (Month 0), at post first vaccine dose (Month 1) and post second vaccine dose (Month 3)
Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135, rSBA-MenY Titers ≥ the Cut-off Values	The cut-off value for the assay was ≥ 1:128.	Pre-primary vaccination at Month 0, post first vaccine dose at Month 1 and post second vaccine dose at Month 3
Antibody Titers for rSBA-MenA, rSBA-MenC, rSBA-MenW-135, rSBA-MenY Meningococcal Antigens	Antibody titers were measured in geometric mean titers (GMTs), calculated on all subjects.	At pre-primary vaccination (Month 0), post first vaccine dose (Month 1) and post second vaccine dose (Month 3)
Number of Subjects With hSBA-MenA, hSBA-MenC, hSBAMenW-135 and hSBA-MenY Titers ≥ the Cut-off Values	The cut-off value for the assay was ≥ 1:4.	Pre-primary vaccinarion (Month 0), post first vaccine dose (Month 1) and post second vaccine dose (Month 3)
Number of Subjects With hSBA-MenA, hSBA-MenC, hSBAMenW-135 and hSBA-MenY Titers ≥ the Cut-off Values	The cut-off value for the assay ≥ 1:8.	Pre-primary vaccinarion (Month 0), post first vaccine dose (Month 1) and post second vaccine dose (Month 3)
Antibody Titers for hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-MenY Meningococcal Antigens	Antibody titers were measured in Geometric mean titers (GMTs), calculated on all subjects.	Pre-primary vaccination at Month 0, post first vaccine dose at Month 1 and post second vaccine dose at Month 3
Number of Subjects With Anti-PSA, Anti-PSC, Anti-PSW-135 and Anti-PSY Antibody Concentrations ≥ the Cut-off Values	The cut-off value for the assay was ≥ 0.3 micrograms per milliliter (μg/m).	Pre-primary vaccinarion (Month 0), post first vaccine dose (Month 1) and post second vaccine dose (Month 3)
Number of Subjects With Anti-PSA, Anti-PSC, Anti-PSW-135 and Anti-PSY Antibody Concentration ≥ the Cut-off Values	The cut-off value for the assay was ≥ 2.0 μg/mL.	Pre-primary vaccinarion (Month 0), post first vaccine dose (Month 1) and post second vaccine dose (Month 3)
Antibody Titers for hSBA-MenA, hSBA-MenC, hSBA-MenW-135 and hSBA-MenY Meningococcal Antigens	Antibody titers were measured in geometric mean concentrations (GMCs), calculated on all subjects.	Pre-primary vaccinarion (Month 0), post first vaccine dose (Month 1) and post second vaccine dose (Month 3)
Number of Subjects Reporting Any and Grade 3 Solicited Local Symptoms at Age Stratum 1-5 Years	Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = cried when limb was moved/spontaneously painful. Grade 3 redness/swelling = redness/swelling spreading beyond 30 millimeters (mm) of injection site.	During the 4-day (Days 0-3) post-vaccination period following each dose and across doses
Number of Subjects Reporting Any and Grade 3 Solicited Local Symptoms at Age Stratum 6-17 Years	Assessed solicited local symptoms were pain, redness and swelling. Any was defined as occurrence of the symptom regardless of intensity grade. Grade 3 pain was defined as cried when limb was moved/spontaneously painful. Grade 3 redness/swelling was defined as redness/swelling spreading beyond 30 millimeters (mm) of injection site.	During the 4-day (Days 0-3) post-vaccination period following each dose and across doses
Number of Subjects Reporting Any, Grade 3 and Related Solicited General Symptoms at Age Stratum 1-5 Years	Assessed solicited general symptoms were drowsiness, irritability, loss of appetite and fever. Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptoms = symptoms which prevented normal everyday activities. Grade 3 fever = oral temperature >39.5 °C. Related = symptom assessed by the investigator as related to the vaccination.	During the 4-day (Days 0-3) post-vaccination period following each dose and across doses
Number of Subjects Reporting Any, Grade 3 and Related Solicited General Symptoms at Age Stratum 6-17 Years	Assessed solicited general symptoms were fatigue, gastrointestinal symptoms, headache and fever. Gastrointestinal symptoms include nausea, vomiting, diarrhoea and/or abdominal pain. Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptoms = symptoms which prevented normal everyday activities. Grade 3 fever = oral temperature >39.5 °C. Related = symptom assessed by the investigator as related to the vaccination.	During the 4-day (Days 0-3) post-vaccination period following each dose and across doses
Number of Subjects Reporting New Onset of Chronic Illnesses (NOCIs)	NOCIs include autoimmune disorders, asthma, type 1 diabetes and allergies.	From Month 0 until the end of the Extended Safety Follow-Up [ESFU] (at Month 8)
Number of Subjects Reporting Any Unsolicited Adverse Events (AEs)	An unsolicited adverse event (AE) covers any untoward medical occurrence in a clinical subject investigation temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. Any was defined as an 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 AE.	During the 31-day (Days 0-30) post first vaccination period
Number of Subjects Reporting Any Unsolicited AEs	An unsolicited AE covers any untoward medical occurrence in a clinical subject investigation temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. Any was defined as an 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 AE.	During the 31-day (Days 0-30) post second vaccination period
Number of Subjects With Serious Adverse Events (SAEs)	Serious adverse events (SAEs) assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/incapacity.	From Month 0 until the end of the ESFU (at Month 8)

Collaborators and Investigators

• Sponsor: GlaxoSmithKline

Study record dates

Study Major Dates

• Study Start: September 10, 2012
• Primary Completion (Actual): October 10, 2014
• Study Completion (Actual): March 3, 2015

Study Registration Dates

• First Submitted: July 12, 2012
• First Submitted That Met QC Criteria: July 12, 2012
• First Posted (Estimate): July 16, 2012

Study Record Updates

• Last Update Posted (Actual): October 18, 2017
• Last Update Submitted That Met QC Criteria: September 21, 2017
• Last Verified: March 1, 2017

More Information

Terms related to this study

• Keywords: Neisseria meningitidis; Meningococcal vaccines; Vaccines, conjugate; Immunocompromised patient
• Additional Relevant MeSH Terms: Infections; Gram-Negative Bacterial Infections; Bacterial Infections; Bacterial Infections and Mycoses; Neisseriaceae Infections; Meningococcal Infections
• Other Study ID Numbers: 115524; 2011-002410-36 (EudraCT Number)