Sapuan, S; Andrews, N; Hallis, B; Hole, L; Jones, CE; Matheson, M; Miller, E; Snape, MD; Heath, PT
(2022)
An observational, cohort, multi-centre, open label phase IV extension study comparing preschool DTAP-IPV booster vaccine responses in children whose mothers were randomised to one of two pertussis-containing vaccines or received no pertussis-containing vaccine in pregnancy in England.
Vaccine, 40 (49).
pp. 7050-7056.
ISSN 1873-2518
https://doi.org/10.1016/j.vaccine.2022.10.005
SGUL Authors: Heath, Paul Trafford
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Abstract
An antenatal pertussis vaccination programme was introduced in 2012 in the UK in the context of a national outbreak of pertussis. It has been shown that a lower antibody response to primary immunisation can be seen for certain pertussis antigens in infants born to women who received pertussis-containing antenatal vaccines, a phenomenon known as blunting. The longer-term impact of this has not been documented previously, and accordingly was evaluated in this study. Children were predominantly recruited from a previous study in which their mothers had received acellular pertussis-containing antenatal vaccines (dTaP3-IPV [diphtheria toxoid, tetanus toxoid, three antigen acellular pertussis and inactivated polio] or dTaP5-IPV [diphtheria toxoid, tetanus toxoid, five antigen acellular pertussis and inactivated polio]), or no pertussis-containing vaccine. Blood samples were obtained prior to and one month after the acellular pertussis-containing preschool booster (dTaP5-IPV) was given at around age 3 years 4 months. Pre- and post-booster immunoglobulin G (IgG) geometric mean concentrations (GMCs) against pertussis toxin, filamentous haemagglutinin, fimbriae 2 & 3, and pertactin, were compared. Prior to the receipt of the preschool booster, there was no difference in the IgG GMCs against pertussis-specific antigens between children born to women vaccinated with dTaP3-IPV and dTaP5-IPV; however, IgG GMCs against pertussis toxin were significantly lower in children born to women vaccinated with dTaP3-IPV compared with children born to unvaccinated women (geometric mean ratio 0.42 [95 % CI 0.22-0.78], p = 0.03). One month after the receipt of the preschool booster there was no differences between the groups. The blunting effect of antenatal pertussis vaccine on pertussis responses in children can persist until preschool age, although it is overcome by the administration of a booster dose. ClinicalTrials.gov registration number: NCT03578120.
Item Type: | Article | ||||||||
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Additional Information: | © 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http:// creativecommons.org/licenses/by/4.0/). | ||||||||
Keywords: | Blunting, Booster, Children, Immune, Immunisation, Maternal vaccination, Pertussis, Pregnancy, Response, Vaccine, 06 Biological Sciences, 07 Agricultural and Veterinary Sciences, 11 Medical and Health Sciences, Virology | ||||||||
SGUL Research Institute / Research Centre: | Academic Structure > Infection and Immunity Research Institute (INII) | ||||||||
Journal or Publication Title: | Vaccine | ||||||||
ISSN: | 1873-2518 | ||||||||
Language: | eng | ||||||||
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Publisher License: | Creative Commons: Attribution 4.0 | ||||||||
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PubMed ID: | 36272877 | ||||||||
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URI: | https://openaccess.sgul.ac.uk/id/eprint/114936 | ||||||||
Publisher's version: | https://doi.org/10.1016/j.vaccine.2022.10.005 |
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