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Completed

NCT Number: NCT00514904

Non-Inferiority of Meningococcal Vaccine GSK134612 Versus Mencevax™ in 2-10 Year Old Subjects

The purpose of this study is to demonstrate, in 2-10 year old subjects, the non-inferiority of meningococcal vaccine GSK134612 compared to licensed meningococcal vaccine Mencevax™.

The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.

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Key information

Conditions

Infections, Meningococcal Bacterial Infections Bacterial Infections and Mycoses Gram-Negative Bacterial Infections Infections Meningococcal Infections Meningococcal Vaccines Neisseriaceae Infections

Age range

2 year–10 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

GSK Investigational Site, Goā, India

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About this study

Multicentre study with 2 treatment groups. Two blood samples will be taken, prior to and one month after vaccination, from the first 75% enrolled subjects per country independent of the treatment group.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects who the investigator believes that their parents or guardians can and will comply with the requirements of the protocol.
  • A male or female between, and including, 2 and 10 years of age at the time of vaccination.
  • Written informed consent obtained from the parent or guardian of the subject.
  • Free of obvious health problems as established by medical history and clinical examination before entering into the study.
  • Previously completed routine childhood vaccinations to the best of his/her parents'/guardians' knowledge.

Exclusion criteria

  • Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding the first dose of study vaccine, or planned use during the study period.
  • Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs within six months prior to the first vaccine dose.
  • Planned administration/ administration of a vaccine not foreseen by the study protocol within one month of the dose of vaccine.
  • Previous vaccination with meningococcal polysaccharide vaccine of serogroup A, C, W-135 and/or Y (for subjects below 6 years) or within the last five previous years (for subjects 6 years old or above).
  • Previous vaccination with meningococcal polysaccharide conjugate vaccine of serogroups A, C, W-135 and/or Y.
  • Previous vaccination with tetanus toxoid within the last month.
  • History of meningococcal disease.
  • Any confirmed or suspected immunosuppressive or immunodeficient condition (congenital or secondary), including human immunodeficiency virus (HIV) infection, based on medical history and physical examination..
  • History of reactions or allergic disease likely to be exacerbated by any component of the vaccine(s).
  • Major congenital defects or serious chronic illness.
  • Acute disease at the time of enrolment.
  • Administration of immunoglobulins and/or any blood products within the three months preceding the first dose of study vaccine or planned administration during the study period.

Treatment and study plan

Nimenrix

Biological

Single dose, intramuscular injection

Other names: Meningococcal vaccine GSK134612

Mencevax

Biological

Single dose, subcutaneous injection

Primary outcomes

  1. Number of Subjects With Vaccine Response to N. Meningitidis Serogroups A (MenA), MenC, MenY and MenW-135

    Time frame: One month after vaccination (Post-vaccination, study Month 1)

    Vaccine response was defined as an rSBA titer of at least 1:32 in subjects initially seronegative (< 1:8) and as 4-fold increase in titer from pre- to post-vaccination in subjects initially seropositive (≥ 1:8).

  2. Number of Subjects With Grade 3 General Symptoms (Solicited and Unsolicited)

    Time frame: During the 4-day (Days 0-3) post-vaccination period

    Grade 3 symptom was defined as symptom that prevented normal, everyday activities.

Secondary outcomes

  1. Number of Subjects With rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY) Titers Greater Than or Equal (≥) to the Cut-off Values

    Time frame: Pre vaccination (Month 0) and post vaccination (Month 1)

    The cut-off values for the rSBA titers were ≥ 1:8 and ≥ 1:128 respectively.

  2. rSBA-MenA, rSBA-MenC, rSBA-MenW-135 and rSBA-MenY Antibody Titers

    Time frame: Pre vaccination (Month 0) and post vaccination (Month 1)

    Antibody titers were expressed as geometric mean titers (GMTs).

  3. Number of Subjects With Anti-tetanus Toxoid (Anti-TT) Concentrations Greater Than or Equal to (≥) the Cut-off Values

    Time frame: Pre vaccination (Month 0) and post vaccination (Month 1)

    The cut-off values for anti-TT concentrations were ≥ 0.1 international units per milliliter (IU/mL) and ≥ 1.0 IU/mL respectively.

  4. Anti-tetanus Toxoid (Anti-TT) Antibody Concentrations

    Time frame: Pre vaccination (Month 0) and post vaccination (Month 1)

    Antibody concentrations were expressed as geometric mean concentrations (GMCs)

  5. Number of Subjects With Anti-polysaccharide (Anti-PS) Concentrations Greater Than or Equal to (≥) the Cut-off Values

    Time frame: Pre vaccination (Month 0) and post vaccination, (Month 1)

    The cut-off values for anti-PS concentrations were ≥ 0.3 microgram per milliliter (μg/mL) and ≥ 2.0 μg/mL respectively for the anti- PSA, anti-PSC, anti-PSW-135 and anti-PSY antibodies respectively. One half of the subjects (50%, randomized) of the ATP cohort for immunogenicity was tested for anti-PSA and anti-PSC and the other half for anti-PSW-135 and anti-PSY.

  6. Anti-polysaccharide (Anti-PS) Antibody Concentrations

    Time frame: Pre vaccination (Month 0) and post vaccination (Month 1)

    Anti-PS concentrations were expressed as geometric mean concentrations (GMCs) and expressed in μg/mL. One half of the subjects (50%, randomized) of the ATP cohort for immunogenicity was tested for anti-PSA and anti-PSC and the other half for anti-PSW-135 and anti-PSY.

  7. Number of Subjects Less Than (<) 6 Years of Age With Solicited Local Symptoms

    Time frame: During the 4-day (Days 0-3) follow-up period after vaccination

    Solicited local symptoms assessed were pain, redness and swelling. Any was defined as occurrence of any local symptom regardless of intensity grade.

  8. Number of Subjects ≥ 6 Years of Age With Solicited Local Symptoms

    Time frame: During the 4-day (Days 0-3) follow-up period after vaccination

    Solicited local symptoms assessed were pain, redness and swelling. Any was defined as occurrence of any local symptom regardless of intensity grade.

  9. Number of Subjects < 6 Years of Age With Solicited General Symptoms

    Time frame: During the 4-day (Days 0-3) follow-up period after vaccination

    Solicited general symptoms assessed were drowsiness, fever (measured orally and temperature ≥ 37.5°C ), irritability and loss of appetite. Any was defined as incidence of any general symptom regardless of intensity grade or relationship to vaccination.

  10. Number of Subjects ≥ 6 Years of Age With Solicited General Symptoms

    Time frame: During the 4-day (Days 0-3) follow-up period after vaccination

    Solicited general symptoms assessed were fatigue, fever (measured orally and temperature ≥ 37.5°C ), gastrointestinal and headache. Any was defined as incidence of any general symptom regardless of intensity grade or relationship to vaccination.

  11. Number of Subjects Reporting Specific Adverse Events (AEs)

    Time frame: From Day 0 up to 6 months after vaccination

    Specific AEs include: rash; new onset of chronic illness(es) (NOCI) and/ or conditions prompting emergency room (ER) visits or non-routine physician office visits.

  12. Number of Subjects Reporting Any Unsolicited Symptoms

    Time frame: Up to one month (Day 0-Day 30) after vaccination

    Unsolicited symptom covers any symptom 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.

  13. Number of Subjects Reporting Any Serious Adverse Events (SAEs)

    Time frame: From Day 0 up to 6 months after vaccination

    SAEs assessed include 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.

Sponsors and collaborators

Lead sponsor

GlaxoSmithKline

Industry

Registry information

Official study title

Non-inferiority of GSK Biologicals' Meningococcal Vaccine GSK134612 Versus Mencevax™ in Healthy Subjects Aged 2 Through 10 Years of Age

Important dates

Study start
2007
Primary completion
2008
Study completion
2009
First posted
Aug 10, 2007
Registry last updated
Oct 27, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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