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Review

Review of clinical studies comparing meningococcal serogroup C immune responses induced by MenACWY-TT and monovalent serogroup C vaccines

, , ORCID Icon, &
Pages 2205-2215 | Received 14 Aug 2020, Accepted 13 Nov 2020, Published online: 19 Feb 2021

Figures & data

Table 1. Meningococcal conjugate and recombinant protein vaccines used globally

Figure 1. Countries with recent MenACWY vaccine recommendations.Citation31,Citation3759

*In all provinces apart from Quebec. Malta is not shown to scale or to shape.
Figure 1. Countries with recent MenACWY vaccine recommendations.Citation31,Citation37–59

Table 2. Overview of included studies

Figure 2. Serum bactericidal antibody measurements against serogroup C at 1 month postprimary and postbooster vaccination in infants vaccinated with MenACWY-TT, MenC-TT, or MenC-CRM197/Al(OH)3 at 2, 4, and 12 months of age.Citation60 (a) Percentage of infants with rSBA titers ≥1:8, (b) rSBA GMTs, (c) percentage of infants with hSBA titers ≥1:8, and (d) hSBA GMTs.

Subjects had blood samples collected at 1 month (range, 21–48 days) after the second primary dose (primary ATP cohort) and the booster dose (booster ATP cohort). Panel A. Postprimary, n = 455–457; postbooster, n = 446–463. Panel B. Postprimary, n = 455–457; postbooster, n = 446–463. Panel C. Postprimary, n = 202–226; postbooster, n = 216–221. Panel D. Postprimary, n = 202–226; postbooster, n = 216–221. ATP = according to protocol; GMT = geometric mean titer; hSBA = serum bactericidal antibody using human complement; MenACWY-TT = meningococcal serogroups A, C, W, and Y vaccine conjugated to tetanus toxoid as a carrier protein; MenC-CRM197/Al(OH)3 = meningococcal serogroup C vaccine conjugated to the nontoxic form of diphtheria protein cross-reactive material 197 and adsorbed onto aluminum hydroxide; MenC-TT = meningococcal serogroup C vaccine conjugated to tetanus toxoid; rSBA = serum bactericidal antibody using baby rabbit complement.
Figure 2. Serum bactericidal antibody measurements against serogroup C at 1 month postprimary and postbooster vaccination in infants vaccinated with MenACWY-TT, MenC-TT, or MenC-CRM197/Al(OH)3 at 2, 4, and 12 months of age.Citation60 (a) Percentage of infants with rSBA titers ≥1:8, (b) rSBA GMTs, (c) percentage of infants with hSBA titers ≥1:8, and (d) hSBA GMTs.

Figure 3. Serum bactericidal antibody measurements against serogroup C at 1 month/42 days postvaccination in toddlers administered a single dose of MenACWY-TT or MenC-CRM197/AlPO4 vaccine.Citation61–63,Citation67 (a) Percentage of toddlers with rSBA titers ≥1:8, (b) rSBA GMTs, (c) percentage of toddlers with hSBA titers ≥1:8, and (d) hSBA GMTs.

Subjects had blood samples collected at 1 month (range, 21–48 days) after the second primary dose (primary ATP cohort) and the booster dose (booster ATP cohort). Panel A. Postprimary, n = 455–457; postbooster, n = 446–463. Panel B. Postprimary, n = 455–457; postbooster, n = 446–463. Panel C. Postprimary, n = 202–226; postbooster, n = 216–221. Panel D. Postprimary, n = 202–226; postbooster, n = 216–221. ATP = according to protocol; GMT = geometric mean titer; hSBA = serum bactericidal antibody using human complement; MenACWY-TT = meningococcal serogroups A, C, W, and Y vaccine conjugated to tetanus toxoid as a carrier protein; MenC-CRM197/Al(OH)3 = meningococcal serogroup C vaccine conjugated to the nontoxic form of diphtheria protein cross-reactive material 197 and adsorbed onto aluminum hydroxide; MenC-TT = meningococcal serogroup C vaccine conjugated to tetanus toxoid; rSBA = serum bactericidal antibody using baby rabbit complement.
Figure 3. Serum bactericidal antibody measurements against serogroup C at 1 month/42 days postvaccination in toddlers administered a single dose of MenACWY-TT or MenC-CRM197/AlPO4 vaccine.Citation61–63,Citation67 (a) Percentage of toddlers with rSBA titers ≥1:8, (b) rSBA GMTs, (c) percentage of toddlers with hSBA titers ≥1:8, and (d) hSBA GMTs.

Figure 4. Serum bactericidal antibody measurements against serogroup C at 1 month postvaccination in individuals aged ≥2 years administered a single or booster dose of MenACWY-TT, MenC-CRM197/Al(OH)3, MenC-TT, or MenC-CRM197/AlPO4 vaccine.Citation64–66 (a) Percentage of individuals with rSBA titers ≥1:8, (b) rSBA GMTs, (c) percentage of individuals with hSBA titers ≥1:8, and (d) hSBA GMTs.

*MenC-CRM197 vaccine = MenC-CRM197/Al(OH)3 in Knuf 2013Citation64 and MenC-CRM197/AlPO4 in Vesikari 2015.Citation65 All analyses were performed on ATP immunogenicity cohorts. Knuf 2013: Subjects aged 2–10 years administered a single vaccine dose; MenACWY-TT, n = 293; MenC-CRM197/Al(OH)3, n = 97; blood samples collected at 1 month postvaccination (range, 21–48 days).Citation64 Vesikari 2015: Subjects aged 5 years (60–69 months) who had previously received 1 dose of MenACWY-TT or MenC-CRM197/AlPO4 as toddlers were administered a booster dose of the same vaccine. MenACWY-TT, n = 209–215; MenC-CRM197/AlPO4, n = 33–43; blood samples collected at 1 month postbooster (range, 21–48 days).Citation65 van Ravenhorst 2017: Subjects aged 10, 12, or 15 years who had previously received a primary dose of MenC-TT as toddlers were administered a booster vaccine dose; MenACWY-TT, n = 78–79; MenC-TT, n = 78–89; blood samples collected at 1 month postbooster (ATP blood sampling window not available).Citation66 ATP = according to protocol; GMT = geometric mean titer; hSBA = serum bactericidal antibody using human complement; MenACWY-TT = meningococcal serogroups A, C, W, and Y vaccine conjugated to tetanus toxoid as a carrier protein; MenC-CRM197/Al(OH)3 = meningococcal serogroup C vaccine conjugated to the nontoxic form of diphtheria protein cross-reactive material 197 and adsorbed onto aluminum hydroxide; MenC-CRM197/AlPO4 = meningococcal serogroup C vaccine conjugated to the nontoxic form of diphtheria protein cross-reactive material 197 and adsorbed onto aluminum phosphate; MenC-TT = meningococcal serogroup C vaccine conjugated to tetanus toxoid; rSBA = serum bactericidal antibody using baby rabbit complement.
Figure 4. Serum bactericidal antibody measurements against serogroup C at 1 month postvaccination in individuals aged ≥2 years administered a single or booster dose of MenACWY-TT, MenC-CRM197/Al(OH)3, MenC-TT, or MenC-CRM197/AlPO4 vaccine.Citation64–66 (a) Percentage of individuals with rSBA titers ≥1:8, (b) rSBA GMTs, (c) percentage of individuals with hSBA titers ≥1:8, and (d) hSBA GMTs.