To compare the functional immune response 28 days after administration of one dose of Men ACWY-CRM conjugate vaccine without adjuvant (MenACWY-CRM(Ad-)) with that of a Men ACWY polysaccharide (PS) vaccine
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
623
University of Tampere Medical School
Tampere, Finland
Oddz. Neuroinfekcji, Szpital Jana Pawla II, Krakow
Samodzielny ZOZ, Lubartów, Poland
Percentages of Subjects With Human Complement Serum Bactericidal Activity (hSBA) Titers ≥ 1:4, After One Dose Of Either MenACWY-CRM(Ad-) or MenACWY-PS Vaccine In Subjects 36-59 Months Of Age
Immune response of one dose of MenACWY-CRM(Ad-) compared to that of one dose of MenACWY polysaccharide(MenACWY-PS) vaccine, 28 days after administration to subjects aged 36 to 59 months, as measured by the percentage of subjects with human complement serum bactericidal activity (hSBA) titers ≥ 1:4 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 28 days after first vaccination.
Percentages of Subjects With hSBA Titers ≥ 1:8 After One Dose Of Either MenACWY-CRM(Ad-) or MenACWY-PS Vaccine In Subjects 36-59 Months Of Age
Immune response of one dose of MenACWY-CRM(Ad-) compared to that of a MenACWY-PS vaccine, 28 days after administration to subjects aged 36 to 59 months, as measured by the percentages of subjects with hSBA titers ≥ 1:8 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 28 days after first vaccination
hSBA Geometric Mean Titers (GMT) After One Dose Of Either MenACWY-CRM(Ad-) or MenACWY-PS Vaccine In Subjects 36-59 Months Of Age
Immune response of one dose of MenACWY-CRM(Ad-) vaccine compared with that of one dose of MenACWY-PS vaccine, 28 days after administration in subjects 36-59 months of age, as measured by hSBA geometric mean titers (GMTs) against N. meningitidis serogroups A, C, W, and Y.
Time frame: 28 days after first vaccination
hSBA GMTs After One Dose of Either MenACWY-CRM(Ad-) or MenACWY-PS Vaccine In Subjects 36-59 Months Of Age
Persistence of functional immune response at 6 or 12 months following administration of one dose of either MenACWY-CRM(Ad-) or MenACWY-PS vaccine in children aged 36 to 59 months, as measured by hSBA GMTs against N. meningitidis serogroups A, C, W, and Y.
Time frame: 6 months after first vaccination and 12 months after first vaccination
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Percentage of Subjects With hSBA Titers ≥ 1:4 After One Dose Of Either MenACWY-CRM(Ad-) or MenACWY-PS Vaccine In Subjects 36-59 Months Of Age
Persistence of functional immune response at 6 or 12 months following administration of one dose of either MenACWY-CRM(Ad-) or MenACWY-PS vaccine in children aged 36 to 59 months, as measured by the percentage of hSBA titers ≥ 1:4 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 6 months after first vaccination and 12 months after first vaccination
Percentages of Subjects With hSBA Titers ≥ 1:8 After One Dose Of Either MenACWY -CRM(Ad-) or MenACWY-PS Vaccine In Subjects 36-59 Months Of Age
Persistence of functional immune response at 6 or 12 months following administration of one dose of either MenACWY-CRM(Ad-) or MenACWY-PS vaccine in children aged 36 to 59 months, as measured by the percentage of subjects with hSBA titers ≥ 1:8 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 6 months after first vaccination and 12 months after first vaccination
hSBA GMTs After Second Dose Of MenACWY-CRM(Ad-) Vaccine In Subjects 36-59 Months Of Age
Booster effect of a second dose of MenACWY-CRM(Ad-) vaccine administered either 6 or 12 months after an initial dose of MenACWY-CRM(Ad-) or MenACWY-PS vaccine in children aged 36 to 59 months, as measured 21 days after the booster dose by hSBA GMT against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after second vaccination
Percentages of Subjects With hSBA Titers ≥ 1:4 After Second Dose Of MenACWY-CRM(Ad-) Vaccine In Subjects 36-59 Months Of Age
Booster effect of a second dose of MenACWY-CRM(-Ad) vaccine administered either 6 or 12 months after an initial dose of MenACWY-CRM(Ad-) or MenACWY-PS in children aged 36 to 59 months, as measured 21 days after the booster dose by the percentage of subjects with hSBA titers ≥ 1:4 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after second vaccination
Percentages of Subjects With hSBA Titers ≥ 1:8 After Second Dose Of MenACWY-CRM(Ad-) Vaccine In Subjects 36-59 Months Of Age
Booster effect of a second dose of MenACWY-CRM(Ad-) vaccine administered either 6 or 12 months after an initial dose of MenACWY-CRM(Ad-) or MenACWY-PS in children aged 36 to 59 months, as measured 21 days after the booster dose by the percentage of subjects with hSBA titers ≥ 1:8 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after the second vaccination
Percentages of Subjects With hSBA Titers ≥ 1:4 After One Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Immune response of one dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, 28 days after administration to subjects aged 12 to 35 months, as measured by the percentage of subjects with hSBA titers ≥ 1:4 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 28 days after first vaccination.
hSBA GMT After One Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Immune response of one dose of MenACWY-CRM vaccine with adjuvant or without adjuvant, 28 days after administration to subjects aged 12 to 35 months, as measured by hSBA GMTs against N. meningitidis serogroups A, C, W, and Y.
Time frame: 28 days after first vaccination
Percentages of Subjects With hSBA Titers ≥ 1:8 After One Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Immune response of one dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, 28 days after administration to subjects aged 12 to 35 months, as measured by the percentage of subjects with human complement serum bactericidal antibody (hSBA) titers ≥ 1:8 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 28 days after first vaccination.
Percentages of Subjects With hSBA Titers ≥ 1:4 After Second Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Immune response to a second dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, administered 28 days after initial dose to subjects aged 12 to 35 months, as measured 21 days after the second dose by the percentage of subjects with hSBA titers ≥ 1:4 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after second vaccination
Percentages of Subjects With hSBA Titers ≥ 1:8 After Second Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Immune response to a second dose of either MenACWY-CRM vaccine, with adjuvant or without adjuvant, administered 28 days after the initial dose to subjects aged 12 to 35 months, as measured 21 days after the second dose by the percentage of subjects with hSBA titers ≥ 1:8 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after second vaccination
hSBA GMTs After Second Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Immune response to a second dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, administered 28 days after the initial dose to subjects aged 12 to 35 months, as measured 21 days after the second dose by hSBA GMTs against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after second vaccination
hSBA GMTs After One Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subject 12-35 Months Of Age
Persistence of immune response at 6 or 12 months following administration of one dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, in subjects aged 12 to 35 months, as measured by hSBA GMTs against N. meningitidis serogroups A, C, W, and Y.
Time frame: 6 months after first vaccination and 12 months after first vaccination
Percentages of Subjects With hSBA Titers ≥ 1:4 After One Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Persistence of immune response at 6 or 12 months following administration of one dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, in subjects aged 12 to 35 months, as measured by the percentage of subjects with hSBA titers ≥ 1:4 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 6 months after first vaccination and 12 months after first vaccination
Percentages of Subjects With hSBA Titers ≥ 1:8 After One Dose Of MenACWY-CRM Vaccine, With or Without Adjuvant, In Subjects 12-35 Months Of Age
Persistence of immune response at 6 or 12 months after one dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, in subjects aged 12 to 35 months of age, as measured by the percentage of subjects with hSBA titers ≥ 1:8 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 6 months after first vaccination and 12 months after first vaccination
hSBA GMT After Second Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Booster effect of a second dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, administered at 6 or 12 months after an initial dose in children aged 12 to 35 months, as measured 21 days after the booster dose by hSBA GMTs against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after the second vaccination
Percentages of Subjects With hSBA Titers ≥ 1:4 After Second Dose Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Booster effect of a second dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, administered at 6 or 12 months after an initial dose in children aged 12 to 35 months, as measured 21 days after the booster dose by the percentage of subjects with hSBA titers ≥ 1:4 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after second vaccination
Percentages of Subjects With hSBA Titers ≥ 1:8 After Second Dose Of MenACWY-CRM Vaccine, With or Without Adjuvant, In Subjects 12-35 Months Of Age
Booster effect of a second dose of MenACWY-CRM vaccine, with adjuvant or without adjuvant, administered either at 6 or 12 months after an initial dose in children aged 12 to 35 months, as measured 21 days after the booster dose by the percentage of subjects with hSBA titers ≥ 1:8 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 21 days after second vaccination
hSBA GMTs After Two Doses Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subject 12-35 Months Of Age
Persistence of immune response at 12 months following administration of two doses of MenACWY-CRM vaccine, with adjuvant or without adjuvant, in subjects aged 12 to 35 months, as measured by hSBA GMTs against N. meningitidis serogroups A, C, W, and Y.
Time frame: 12 months after second vaccination
Percentages of Subjects With hSBA Titers ≥ 1:4 After Two Doses Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subjects 12-35 Months Of Age
Persistence of immune response, at 12 months following administration of two doses of MenACWY-CRM vaccine, with adjuvant or without adjuvant, in subjects aged 12 to 35 months of age, as measured by the percentage of subjects with hSBA titers ≥ 1:4 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 12 months after second vaccination
Percentages of Subjects With hSBA Titers ≥ 1:8 After Two Doses Of MenACWY-CRM Vaccine, With Adjuvant or Without Adjuvant, In Subject 12-35 Months Of Age
Persistence of immune response, at 12 months following administration of two doses of MenACWY-CRM vaccine, with adjuvant or without adjuvant, in subjects aged 12 to 35 months of age, as measured by the percentage of subjects with hSBA titers ≥ 1:8 against N. meningitidis serogroups A, C, W, and Y.
Time frame: 12 months after second vaccination
Numbers of Subjects 12 to 59 Months of Age Who Reported Solicited Local and Systemic Adverse Events After Any Vaccination
Safety was assessed as the number of subjects 12 to 59 months of age who reported solicited local and systemic adverse events from day 1 up to and including day 7 after the first or second vaccination(s) with MenACWY-CRM vaccine, with adjuvant or without adjuvant or MenACWY-PS vaccine.
Time frame: From day 1 through day 7 after first or second vaccination(s)
Numbers of Subjects 12 to 59 Months Of Age Who Reported Unsolicited Adverse Events and Serious Adverse Events After Any Vaccination
Safety was assessed as the number of subjects 12 to 59 months of age who reported serious adverse events (SAE), AEs necessitating a physician's visit and/or resulting in premature withdrawal from the study, AEs were to be collected between day 7 and the subsequent visit (approximately 1 month later) after the first or second vaccination(s) of MenACWY-CRM vaccine, with or without adjuvant, or MenACWY-PS vaccine. Any SAE were to be collected throughout the study.
Time frame: 28 days after first vaccination and 21 days after second vaccination