The Journal of infection · 2025
Immune impacts of infant whole-cell and acellular pertussis vaccination on co-administered vaccines.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Pérez Chacón Gladymar, McAlister Sonia, Totterdell James, Estcourt Marie J, Marsh Julie A, Jones Mark, Perrett Kirsten P, Campbell Dianne E, Wood Nicholas, Gold Michael, Waddington Claire S, O'Sullivan Michael, Curtis Nigel, Wadia Ushma, McIntyre Peter B, Holt Patrick G, Snelling Tom, Richmond Peter C
Аннотация
OBJECTIVES: We compared the effect of a heterologous wP/aP/aP primary series (hereafter mixed wP/aP) versus a homologous aP/aP/aP primary schedule (hereafter aP-only) on antibody responses to co-administered vaccine antigens in infants and toddlers.
METHODS: We randomised Australian infants in a 1:1 ratio to receive either a mixed wP/aP schedule (pentavalent diphtheria-tetanus-wP-hepatitis B-Haemophilus influenzae type b; DTwP-HepB-Hib vaccine at 6 weeks old, followed by hexavalent DTaP-inactivated poliovirus vaccine (IPV)-HepB-Hib vaccine at 4 and 6 months old) or aP-only priming doses of hexavalent DTaP-IPV-HepB-Hib vaccine at the same ages. All infants received 13-valent pneumococcal conjugate vaccine (13vPCV) at 6 weeks, 4 and 12 months of age and DTaP-IPV and Hib vaccine boosters at 18 months. We assessed whether the wP/aP schedule is non-inferior to the aP-only schedule for co-administered vaccine antigens (geometric mean ratio [GMR] >2/3).
REGISTRATION: ACTRN12617000065392p.
RESULTS: Between March 2018 and January 2020, 150 infants were randomised (75 per arm). Responses to all 13vPCV serotypes and Hib-PRP at 6, 7, 18, and 19 months old, as well as HBsAg at 6 and 7 months old, were non-inferior (>90% probability).
CONCLUSION: A mixed wP/aP schedule resulted in non-inferior IgG responses to co-administered vaccine antigens compared to the standard aP-only schedule for pertussis primary immunisation.
METHODS: We randomised Australian infants in a 1:1 ratio to receive either a mixed wP/aP schedule (pentavalent diphtheria-tetanus-wP-hepatitis B-Haemophilus influenzae type b; DTwP-HepB-Hib vaccine at 6 weeks old, followed by hexavalent DTaP-inactivated poliovirus vaccine (IPV)-HepB-Hib vaccine at 4 and 6 months old) or aP-only priming doses of hexavalent DTaP-IPV-HepB-Hib vaccine at the same ages. All infants received 13-valent pneumococcal conjugate vaccine (13vPCV) at 6 weeks, 4 and 12 months of age and DTaP-IPV and Hib vaccine boosters at 18 months. We assessed whether the wP/aP schedule is non-inferior to the aP-only schedule for co-administered vaccine antigens (geometric mean ratio [GMR] >2/3).
REGISTRATION: ACTRN12617000065392p.
RESULTS: Between March 2018 and January 2020, 150 infants were randomised (75 per arm). Responses to all 13vPCV serotypes and Hib-PRP at 6, 7, 18, and 19 months old, as well as HBsAg at 6 and 7 months old, were non-inferior (>90% probability).
CONCLUSION: A mixed wP/aP schedule resulted in non-inferior IgG responses to co-administered vaccine antigens compared to the standard aP-only schedule for pertussis primary immunisation.