A clinical trial to determine if the investigational MnB vaccine works the same every time a batch (or lot) of the vaccine is made

INTERVENTION: Product Name: MnB rLP2086 Vaccine Product Code: MnB rLP2086 (PF‐05212366) Pharmaceutical Form: Suspension for injection INN or Proposed INN: MnB rLP2086 Subfamily A CAS Number: N/a Current Sponsor code: N/a Other descriptive name: N/a Concentration unit: µg/ml microgram(s)/millilitre Concentration type: equal Concentration number: 120‐ INN or Proposed INN: MnB rLP2086 Subfamily B CAS Number: N/a Current Sponsor code: N/a Other descriptive name: N/a Concentration unit: µg/ml microgram(s)/millilitre Concentration type: equal Concentration number: 120‐ Trade Name: Havrix Junior Monodose Vaccine Pharmaceutical Form: Injection INN or Proposed INN: N/a CAS Number: N/a Current Sponsor code: N/a Other descriptive name: N/a Concentration unit: ELISA unit/ml enzyme‐linked immunosorbent assay unit/millitre Concentration type: equal Concentration number: 720‐ Trade Name: Havrix Monodose Vaccine Pharmaceutical Form: Injection INN or Proposed INN: N/a CAS Number: N/a Current Sponsor code: N/a Other descriptive name: N/a Concentration unit: ELISA unit/ml enzyme‐linked immunosorbent assay unit/millitre Concentration type: equal Concentration number: 1440‐ Product Name: Sterile saline solution (0.9%) Pharmaceutical Form: Solution for injection INN or Proposed INN: n/a CAS Number: n/a Current Sponsor code: n/a Other descriptive name: n/a Concentration unit: % (W/V) percent weight/volume Concentration type: equal Concentration number: 0.9‐ Trade Name: Havrix Junior Monodose Vaccine Pharmaceutical Form: Injection INN or Proposed INN: N/a CAS Number: N/a Current Sponsor code: N/a Other descriptive name: N/a Concentration unit: ELISA unit/ml enzyme‐linked immunosorbent assay unit/millitre Concentration type: equal Concentration number: 720‐ Trade Name: Havrix Monodose Vaccine Pharmaceutical Form: Injection INN or Proposed INN: N/a CAS Number: N/a Current Sponsor code: N/a Other descriptive name: N/a Concentration unit: ELISA unit/ml enzyme‐linked immunosorbent assay unit/millitre C CONDITION: BACTERIAL MENINGITIS. ; MedDRA version: 14.1 Level: LLT Classification code 10004049 Term: Bacterial meningitis System Organ Class: 100000004862 Therapeutic area: Diseases [C] ‐ Bacterial Infections and Mycoses [C01] PRIMARY OUTCOME: Main Objective: Primary:; ‐ To assess the immune response as measured by serum bactericidal assay using human complement (hSBA) performed with 4 primary MnB test strains, 2 expressing an LP2086 subfamily A protein and 2 expressing an LP2086 subfamily B protein, measured 1 month after the third vaccination with bivalent rLP2086 vaccine.; ‐ To demonstrate that the immune responses induced by 3 lots of bivalent rLP2086 vaccine are equivalent as measured by hSBA performed with 2 primary MnB test strains, 1 expressing an LP2086 subfamily A protein and 1 expressing an LP2086 subfamily B protein, 1 month after the third vaccination with bivalent rLP2086 vaccine.; Primary Safety:; ‐ To evaluate the safety profile of bivalent rLP2086 vaccine compared to a control (HAV/saline), as measured by local reactions, systemic events, AEs, SAEs, newly diagnosed chronic medical conditions, medically attended AEs, and immediate AEs. Primary end point(s): Primary Endpoints; Five (5) coprimary endpoints are defined for the primary immunogenicity objective based upon results for group 1 subjects in hSBAs performed with each of the 4 primary test strains: PMB80 (A22), PMB2001 (A56), PMB2948 (B24), PMB2707 (B44).; ‐ One (1) of the 5 coprimary endpoints is the composite endpoint defined as the proportion of subjects achieving an hSBA titer = lower limit of quantitation (LLOQ) for all 4 primary test strains combined, 1 month after the third vaccination with bivalent rLP2086 vaccine.; ‐ Four (4) of the coprimary endpoints are defined as the proportion of subjects achieving at least a 4‐fold increase in hSBA titer from baseline to 1 month after the third vaccination with bivalent rLP2086 vaccine for each of the 4 primary test strains.; ��� For subjects with a baseline hSBA titer below the limit of detection (LOD or an hSBA titer of < 1:4), a 4‐fold response is defined as an hSBA titer of =1:16 or the LLOQ (whichever titer is higher).; ‐ For subjects with a baseline hSBA titer of = LOD (ie, hSBA titer of =1:4) and < lower limit of quantitation (LLOQ), a 4‐fold response is defined as an hSBA titer =4 times the LLOQ.; ‐ For subjects with a baseline hSBA titer of = LLOQ, a 4‐fold response is defined as an hSBA titer of =4 times the baseline titer.; ‐ The endpoints for the lot consistency objective are hSBA geometric mean titers (GMTs) for each of the 2 primary test strains PMB80 (A22) and PMB2948 (B24) measured 1 month after the third vaccination with bivalent rLP2086 vaccine in group 1, group 2, and group 3.; ; Safety Endpoints; ‐ Percentage of subjects reporting local reactions (pain, redness and swelling) and by severity after each vaccination visit.; ‐ Percentage of subjects reporting systemic events (fever, vomiting, diarrhea, headache, fatigue, chills, muscle pain other than muscle pain at any injection site, and joint pain) and by severity after each vaccination visit.; ‐ Percentage of subjects reporting the use of antipyretic medication after each vaccination visit.; ‐ Percentage of subjects with at least 1 SAE during the following time periods:; ‐ 30 Days after each vaccination.; ‐ 30 Days after any vaccination.; ‐ During the vaccination phase (from the first study vaccination [Visit 1] through 1 month after the last study vaccination [Visit 5]).; ‐ During the follow‐up phase (from 1 month after the last study vaccination [Visit 5] through 6 months after the third study vaccination [Visit 6]).; ‐ Throughout the study period (from the first study vaccination [Visit 1] through 6 months after the third study vaccination [Visit 6]).; ‐ Percentage of subjects with at least 1 medically attended AE occurring during the following time periods:; ‐ 30 Days after each vaccination.; ‐ 30 Days after any vaccination.; ‐ During the vaccination phase (from the first study vaccination [Visit 1] through 1 month after the last study vaccination [Visit 5]).; ‐ During the follow‐up phase (from 1 month after the last study vaccination [Visit 5] through 6 months after the third study vaccination [Visit 6]).; ‐ Throughout the study period (from the first study vaccination [Visit 1] through 6 months after the third study vaccination [Visit 6]).; ‐ Percentage of subjects with at least 1 newly‐diagnosed chronic medical condition occurring during the following time periods:; ‐ 30 Days after each vaccination.; ‐ 30 Days after any vaccination.; ‐ During the vaccination phase (from the first study vaccination [Visit 1] through 1 month after the last study vaccination [Visit 5]).; ‐ During the follow‐up phase (from 1 month after the last study vaccination [Visit 5] through 6 months after the third study vaccination [Visit 6]).; ‐ Throughout the study period (from the first study vaccination [Visit 1] through 6 months after the third study vaccination [Visit 6]).; ‐ Percentage of subjects who develop at least 1 AE occurring during the following time periods:; ‐ 30 Days after each vaccination.; ‐ 30 Days after any vaccination.; ‐ During the vaccination phase (from the first study vaccination [Visit 1] through 1 month after the last study vaccination [Visit 5]).; ‐ Percentage of subjects reporting at least 1 immediate AE after each vaccination.; ‐ Subject days missing school or work due to AEs during the vaccination phase (Visit 1 though Visit 5). Secondary Objective: ? To describe the immune response as measured by hSBA performed with 10 secondary MnB test strains expressing LP2086 subfamily A or B proteins, measured 1 month after the third vaccination with bivalent rLP2086 vaccine.; ? To describe the immune response as measured by hSBA performed with 4 primary MnB test strains, 2 expressing a LP2086 subfamily A protein and 2 expressing a LP2086 subfamily B protein, measured 1 month after the second vaccination with bivalent rLP2086 vaccine. Timepoint(s) of evaluation of this end point: No interim analysis is planned for this study. Only one final analysis will be performed on the final locked study database and will include all of the immunogenicity and safety analysis results related to the primary and secondary objectives SECONDARY OUTCOME: Secondary end point(s): The secondary strain immunogenicity objective is based on hSBA results from subjects in group 1 using 10 test strains expressing the following variants: A29, A06, A12, A07, A15, A19, B16, B09, B03, B15. Three (3) subsets of study subjects will be selected for this analysis. Each subset will be used to assess the response to 3 or 4 of the 10 secondary test strains in addition to the 4 primary test strains. ; The secondary immunogenicity endpoints for the subsets tested with the secondary hSBA test strains are: ; ‐ Proportions of subjects with hSBA titers = LLOQ for each of the test strains at baseline and 1 month after the third vaccination with bivalent rLP2086 vaccine. ; ‐ Proportions of subjects with hSBA titers =1:4, =1:8, =1:16, =1:32, =1:64, and =1:128 for each of the test strains at baseline and 1 month after the third vaccination with bivalent rLP2086 vaccine. ; ‐ hSBA geometric mean titers (GMTs) for each of the test strains at baseline and 1 month after the third vaccination with bivalent rLP2086 vaccine. ; ; For group 1 subjects, additional secondary immunogenicity endpoints will include: ; ‐ Proportion of subjects with a composite hSBA response, defined as subjects with an hSBA titer of = LLOQ for all 4 primary test strains, at baseline. ; ; For subjects in groups 1, 2, and 3, additional secondary immunogenicity endpoints will include: ; ‐ For subjects with a baseline hSBA titer of = LOD (ie, hSBA titer of =1:4) and < lower limit of quantitation (LLOQ), a 4‐fold response is defined as an hSBA titer of =4 times the LLOQ. ; ‐ Proportion of subjects achieving a composite hSBA response, defined as subjects achieving an hSBA titer of = LLOQ for all 4 primary test strains, at 1 month after the second vaccination with bivalent rLP2086 vaccine. ; ‐ Proportion of subjects achieving at least a 4‐fold increase in hSBA titer from baseline to 1 month after the second vaccination with bivalent rLP2086 vaccine for each of the 4 primary test strains (group 1) and from baseline to 1 month after the second and third vaccinations with bivalent rLP2086 vaccine for PMB80 (A22) and PMB2948 (B24) (group 2 and group 3), using the following definition: ; ‐ For subjects with a baseline hSBA titer below the limit of detection (LOD or an hSBA titer of <1:4), a 4‐fold response is defined as an hSBA titer of =1:16 or the LLOQ (whichever titer is higher). ; ‐ For subjects with a baseline hSBA titer of = LLOQ, a 4‐fold response is defined as an hSBA titer of =4 times the baseline titer. ; ‐ hSBA geometric mean titers (GMTs) for each of the 4 primary test strains (group 1) and for PMB80 (A22) and PMB2948 (B24) (group 2 and group 3), at baseline and 1 month after the second vaccination with bivalent rLP2086 vaccine. ; ‐ Proportions of subjects achieving hSBA titers of =LLOQ, =1:4, =1:8, =1:16, =1:32, =1:64, and =1:128 for each of the 4 primary test strains (group 1) and for PMB80 (A22) and PMB2948 (B24) (group 2 and group 3), at baseline, 1 month after the second, and 1 month after the third vaccination with bivalent rLP2086 vaccine. ; ‐ Proportion of subjects achieving at least a 3‐fold increase in hSBA titer from baseline to 1 month after the third vaccination with bivalent rLP2086 vaccine for each of the 4 primary test strains (group 1) and for PMB80 (A22) and PMB2948 (B24) (group 2 and group 3), using the following definition: ; ‐ For subjects with a baseline hSBA titer below the limit of detection (LOD or a hSBA titer of <1:4), a response is defined as an hSBA titer =1:16 or the LLOQ (whichever titer is higher). ; ‐ For subjects with a baseline hSBA titer of = LOD (ie, hSBA titer of =1:4) and < lower limit of quantitation (LLOQ), a 3‐fold response is defined as an hSBA titer of =3 times LLOQ. ; ‐ For subjects with a baseline hSBA titer of = LLOQ, a 3‐fold response is defined as an hSBA titer of =3 times baseline hSBA titer. ; ‐ Proportion of subjects achieving at least a 2‐fold increase from baseline to 1 month after the third vaccination with bivalent rLP2086 vaccine for each of the 4 primary test strains (group 1) and for PMB80 (A22) and PMB2948 (B24) (group 2 and group 3), using the following definition: ; ‐ For subjects with a baseline hSBA titer below the limit of detection (LOD or an hSBA titer of <1:4), a response is defined as an hSBA titer of =1:16 or the LLOQ (whichever titer is higher). ; ‐ For subjects with a baseline hSBA titer of = LOD (ie, hSBA titer of =1:4) and < lower limit of quantitation (LLOQ), a 2‐fold response is defined as an hSBA titer of =2 times LLOQ. ; ‐ For subjects with a baseline hSBA titer of = LLOQ, a 2‐fold response is defined as an hSBA titer of =2 times baseline hSBA titer. Timepoint(s) of evaluation of this end point: No interim analysis is planned for this study. Only one final analysis will be performed on the final locked study database and will include all of the immunogenicity and safety analysis results related to the primary and secondary objectives ; INCLUSION CRITERIA: Subject eligibility should be reviewed and documented by an appropriately qualified member of the investigator’s study team before subjects are included in the study. Subjects must meet all of the following inclusion criteria to be eligible for enrollment into the study: 1. Evidence of a personally signed and dated informed consent document indicating that the subject (and/or parent/legally authorized representative) has been informed of all pertinent aspects of the study. 2. Parent/legally authorized representative and/or subjects who are willing and able to comply with scheduled visits, laboratory tests, and other study procedures. 3. Male or female subject aged =10 and <19 years at the time of enrollment. 4. Available for the entire study period and can be reached by telephone. 5. Healthy subject as determined by medical history, physical examination, and judgment of the investigator. 6. Male and female subjects of childbearing potenti