MMRV (or MMR + V) or PCV7
In a US, active-controlled trial, 1179 children received Menactra at 9 months and 12 months of age. At 12 months of age these children received Menactra concomitantly with MMRV (N=616), or MMR + V (N=48), or PCV7 (N=250). Another group of 12-month old children received MMRV + PCV7 (N=485). Sera were obtained approximately 30 days after the last vaccinations. Measles, mumps, rubella and varicella antibody responses among children who received Menactra and MMRV (or MMR and V) were comparable to corresponding antibody responses among children who received MMRV and PCV7.
When Menactra was given concomitantly with PCV7, the non-inferiority criteria for comparisons of pneumococcal IgG GMCs (upper limit of the two-sided 95% CI of the GMC ratio ≤ 2) were not met for 3 of 7 serotypes (4, 6B, 18C). In a subset of participants with available sera, pneumococcal opsonophagocytic assay GMT data were consistent with IgG GMC data.
In a double-blind, randomized, controlled trial, 1021 participants aged 11 through 17 years received Td vaccine and Menactra concomitantly (N=509), or Td vaccine followed one month later by Menactra (N=512). Sera were obtained approximately 28 days after each respective vaccination. The proportions of participants with a 4-fold or greater increase in SBA-BR titer to meningococcal Serogroups C, Y and W-135 were higher when Menactra was given concomitantly with Td vaccine (86%-96%) than when Menactra was given one month following Td vaccine (65%-91%). Anti-tetanus and anti-diphtheria antibody responses were similar in both study groups.
In a double-blind, randomized, controlled trial, 945 participants aged 18 through 55 years received Typhim Vi and Menactra concomitantly (N=469), or Typhim Vi followed one month later by Menactra (N=476). Sera were obtained approximately 28 days after each respective vaccination. The antibody responses to Menactra and to Typhim Vi components were similar in both study groups.
DAPTACEL and IPV
In a randomized, parallel group, US multi-center clinical trial conducted in children 4 through 6 years of age, Menactra was administered as follows: 30 days after concomitant DTaP (DAPTACEL® , Sanofi Pasteur Limited) + IPV (IPOL ® , Sanofi Pasteur SA) [Group A]; concomitantly with DAPTACEL followed 30 days later by IPV [Group B]; concomitantly with IPV followed 30 days later by DAPTACEL [Group C]. Sera were obtained approximately 30 days after each respective vaccination [see Clinical Trials Experience (6.1)].
When Menactra was administered 30 days after DAPTACEL (and IPV) [Group A], significantly lower SBA-H GMTs to all 4 meningococcal serogroups were observed compared to Menactra (and IPV) administered 30 days prior to DAPTACEL [Group C]. When Menactra was administered concomitantly with DAPTACEL [Group B], SBA-H GMTs to meningococcal serogroups A, C, and W-135 were non-inferior to those observed after Menactra (and IPV) [Group C]. The non-inferiority criterion was marginally missed for meningococcal serogroup Y. Non-inferiority of SBA-H GMTs following concomitant administration of Menactra and DAPTACEL compared to those after concomitant Menactra and IPV was concluded if the upper limit of the 2-sided 95% CI of (GMTGroup C divided by GMTGroup B ) computed separately for each of the serogroups was <2.
The respective SBA-H GMTs and proportion (%) of Group A, B, and C study participants achieving an SBA-H titer of ≥1:8 are displayed in Table 8.
|Vaccines administered at Visit 1 and 30 days later at Visit 2|
|Visit 1Visit 2||Group ADAPTACEL + IPVMenactra||Group BMenactra + DAPTACELIPV||Group CMenactra + IPVDAPTACEL|
|Serogroup||(95% CI)‡||(95% CI)‡||(95% CI)‡|
|A||% ≥1:8§||49.6||(41.0; 58.3)||67.2||(58.4; 75.1)||64.4||(54.4; 73.6)|
|GMT||6.7||(5.7; 8.0)||10.8||(8.7; 13.3)||10.4||(8.1; 13.3)|
|C||% ≥1:8§||20.3||(13.9; 28.0)||50.4||(41.5; 59.2)||50.5||(40.5; 60.5)|
|GMT||3.3||(2.7; 3.9)||8.1||(6.3; 10.5)||7.8||(5.8; 10.7)|
|Y||%≥1:8§||44.2||(35.8; 52.9)||80.2||(72.3; 86.6)||88.5||(80.7; 93.9)|
|GMT||6.5||(5.1; 8.2)||18.1||(14.2; 22.9)||26.2||(20.0; 34.4)|
|W-135||%≥1:8§||55.1||(46.4; 63.5)||87.8||(80.9; 92.9)||82.7||(74.0; 89.4)|
|GMT||8.4||(6.7; 10.6)||22.8||(18.5; 28.1)||21.7||(16.6; 28.4)|
When Menactra was administered concomitantly with DAPTACEL, antibody responses to three of the pertussis antigens (pertussis toxin, filamentous hemagglutinin, and pertactin) (GMCs), tetanus toxin (% participants with antibody concentrations ≥1.0 IU/mL), and diphtheria toxin (% participants with antibody concentrations ≥1.0 IU/mL) were non-inferior to those observed after DAPTACEL and IPV. The pertussis anti-fimbriae GMCs were marginally lower when Menactra and DAPTACEL were administered concomitantly.
- CDC. Guillain-Barré syndrome among recipients of Menactra® meningococcal conjugate vaccine-United States, June 2005-September 2006. MMWR Morb Mortal Wkly Rep 2006;55:1120-1124. Erratum in: MMWR Morb Mortal Wkly Rep 2006;55(43):1177.
- Harvard Medical School/Harvard Pilgrim Health Care Institute. Risk of Guillain-Barré Syndrome Following Meningococcal Conjugate (MCV4) Vaccination. Final Study Report, Revised March 11, 2010.
- Mueller JH, et al. A protein-free medium for primary isolation of the gonococcus and meningococcus. Proc Soc Exp Biol Med 1941;48:330-333.
- Watson RG, et al. The specific hapten of group C (group IIa) meningococcus. I. Preparation and immunological behavior. J Immunol 1958;81:331-336.
- Mueller JH, et al. Production of diphtheria toxin of high potency (100 Lf) on a reproducible medium. J Immunol 1941;40:21-32.
- Mäkelä PH, et al. Evolution of conjugate vaccines. Expert Rev Vaccines 2002;1:399-410.
- Goldschneider I, et al. Human immunity to the meningococcus. I. The role of humoral antibodies. J Exp Med 1969;129:1307-1326.
- Maslanka SE, et al. Standardization and a multilaboratory comparison of Neisseria meningitidis serogroup A and C serum bactericidal assays. Clin and Diag Lab Immunol 1997;4:156-167.
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