Safety and Immunogenicity of GSK Bio's Candidate HBV-MPL Vaccines Compared to Engerix™-B, in Healthy Adolescents
Study to Assess the Feasibility of GSK Bio's Candidate HBV / MPL Vaccines Following Different Schedules and Formulations and to Compare Their Safety and Immunogenicity to That of Engerix™-B in Healthy Adolescents Aged 11 to 15
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
-
Mainz, Germany
- GSK Clinical Trials Call Center
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age: between 11 and 15 years at the time of the first vaccination.
- Free of obvious health problems as established by medical history and clinical examination before entering into the study.
- Written informed consent obtained from the parents or guardians of the subject and from the subject himself/herself in all subjects 15 years of age.
- If the subject is female, she must be of non-childbearing potential, if of childbearing potential, she must be abstinent or have used an adequate contraceptive for one month prior to vaccination, have a negative pregnancy test and must agree to continue such precautions for two months after completion of the vaccination series
Exclusion Criteria:
- Use of any investigational or non-registered drug or vaccine other than the study vaccine(s) during the study period or within 30 days preceding the first dose of study vaccine.
- Administration of chronic (defined as more than 14 days) immunosuppressants or other immune-modifying drugs within six months of vaccination.
- Planned administration of a vaccine not foreseen by the study protocol during the period starting from one week before each dose of vaccine and ending 30 days after.
- Previous vaccination against hepatitis B virus.
- Previous vaccination with vaccine containing MPL.
- Any confirmed or suspected immunosuppressive or immunodeficient condition, including human immunodeficiency virus (HIV) infection.
- History of allergic disease or reactions likely to be exacerbated by any component of the vaccine.
- Acute disease at the time of enrollment.
- Hepatomegaly, right upper quadrant abdominal pain or tenderness.
- Axillary temperature of ≥ 37.5° C.
- Administration of immunoglobulin and / or any blood product within the six months preceding the first dose of study vaccine or planned administration during the study period.
- Pregnant or lactating female.
- History of chronic disease deemed by the investigator to be relevant.
- Positive for anti-HBV antibodies at screening
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Group A
HBV-MPL Formulation A at months 0 and 6
|
Single dose (when extemporaneously co-administered with Engerix™-B) or 2-dose (when administered alone) intramuscular injection
|
|
Experimental: Group B
HBV-MPL Formulation B at months 0 and 6
|
2-dose intramuscular injection
|
|
Experimental: Group C
HBV-MPL Formulation A at month 0 and Engerix™-B at month 6
|
Single dose (when extemporaneously co-administered with Engerix™-B) or 2-dose (when administered alone) intramuscular injection
Single dose (when extemporaneously co-administered with HBV-MPL) or 3-dose (when administered alone) intramuscular injection
|
|
Active Comparator: Group D
Engerix™-B at months 0, 1, 6
|
Single dose (when extemporaneously co-administered with HBV-MPL) or 3-dose (when administered alone) intramuscular injection
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Occurrence of Serious adverse experiences (SAE)
Time Frame: During the study period
|
During the study period
|
|
Occurrence, intensity and relationship to vaccination of solicited local and general symptoms
Time Frame: During the 8-day follow-up period after vaccination
|
During the 8-day follow-up period after vaccination
|
|
Occurrence, intensity and causal relationship of unsolicited adverse events
Time Frame: 31-day follow-up period after vaccination
|
31-day follow-up period after vaccination
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Anti-HBs antibody concentrations
Time Frame: At months 1, 2, 6, and 7
|
At months 1, 2, 6, and 7
|
|
Cell mediated immunity
Time Frame: At months 1, 6, and 7
|
At months 1, 6, and 7
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 208129/028
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