Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting

<h3>Background </h3><p dir="ltr">Priming with two doses of AZD1222 (Oxford-AstraZeneca; ChAd) followed by a third mRNA vaccine boosting is considered in several countries, yet comparisons between heterologous and homologous booster efficacy remain unexplored. </p>&l...

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Main Author: Salma Younes (6424865) (author)
Other Authors: Eleonora Nicolai (496034) (author), Nadin Younes (4863280) (author), Massimo Pieri (5023022) (author), Sergio Bernardini (504056) (author), Parveen B. Nizamuddin (14590613) (author), Duaa W. Al-Sadeq (10976754) (author), Hanin I. Daas (17863886) (author), Ahmed Ismail (2671822) (author), Hadi M. Yassine (4675846) (author), Laith J. Abu-Raddad (9262524) (author), Gheyath K. Nasrallah (9200525) (author)
Published: 2024
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author Salma Younes (6424865)
author2 Eleonora Nicolai (496034)
Nadin Younes (4863280)
Massimo Pieri (5023022)
Sergio Bernardini (504056)
Parveen B. Nizamuddin (14590613)
Duaa W. Al-Sadeq (10976754)
Hanin I. Daas (17863886)
Ahmed Ismail (2671822)
Hadi M. Yassine (4675846)
Laith J. Abu-Raddad (9262524)
Gheyath K. Nasrallah (9200525)
author2_role author
author
author
author
author
author
author
author
author
author
author
author_facet Salma Younes (6424865)
Eleonora Nicolai (496034)
Nadin Younes (4863280)
Massimo Pieri (5023022)
Sergio Bernardini (504056)
Parveen B. Nizamuddin (14590613)
Duaa W. Al-Sadeq (10976754)
Hanin I. Daas (17863886)
Ahmed Ismail (2671822)
Hadi M. Yassine (4675846)
Laith J. Abu-Raddad (9262524)
Gheyath K. Nasrallah (9200525)
author_role author
dc.creator.none.fl_str_mv Salma Younes (6424865)
Eleonora Nicolai (496034)
Nadin Younes (4863280)
Massimo Pieri (5023022)
Sergio Bernardini (504056)
Parveen B. Nizamuddin (14590613)
Duaa W. Al-Sadeq (10976754)
Hanin I. Daas (17863886)
Ahmed Ismail (2671822)
Hadi M. Yassine (4675846)
Laith J. Abu-Raddad (9262524)
Gheyath K. Nasrallah (9200525)
dc.date.none.fl_str_mv 2024-10-01T00:00:00Z
dc.identifier.none.fl_str_mv 10.1016/j.vaccine.2024.06.010
dc.relation.none.fl_str_mv https://figshare.com/articles/journal_contribution/Comparable_antibody_levels_in_heterologous_and_homologous_mRNA_COVID-19_vaccination_with_superior_neutralizing_and_IgA_antibody_responses_in_mRNA_homologous_boosting/29898593
dc.rights.none.fl_str_mv CC BY 4.0
info:eu-repo/semantics/openAccess
dc.subject.none.fl_str_mv Biomedical and clinical sciences
Clinical sciences
Immunology
Health sciences
Public health
AZD1222 (Oxford-AstraZeneca, ChAd)
Homologous
Heterologousm
RNA vaccination
Neutralizing antibody
Anti-S1 IgA
dc.title.none.fl_str_mv Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting
dc.type.none.fl_str_mv Text
Journal contribution
info:eu-repo/semantics/publishedVersion
text
contribution to journal
description <h3>Background </h3><p dir="ltr">Priming with two doses of AZD1222 (Oxford-AstraZeneca; ChAd) followed by a third mRNA vaccine boosting is considered in several countries, yet comparisons between heterologous and homologous booster efficacy remain unexplored. </p><h3>Aim</h3><p dir="ltr">To evaluate and contrast the immunogenicity of homologous and heterologous boosting regimens. </p><h3>Method</h3><p dir="ltr">The study examined antibody responses in 1113 subjects, comprising 895 vaccine-naïve individuals across different vaccination strategies (partial, primary series, heterologous booster, homologous booster) and 218 unvaccinated, naturally infected individuals. Assessments included neutralizing total antibodies (NTAbs), total antibodies (TAbs), anti-S-RBD IgG, and anti-S1 IgA levels. </p><h3>Results</h3><p dir="ltr">The study found mRNA vaccines to exhibit superior immunogenicity in primary series vaccination compared to ChAd, with mRNA-1273 significantly enhancing NTAbs, TAbs, anti-S-RBD IgG, and anti-S1 IgA levels (p < 0.001). Both booster types improved antibody levels beyond primary outcomes, with no significant difference in TAbs and anti-S-RBD IgG levels between regimens. However, homologous mRNA boosters significantly outperformed heterologous boosters in enhancing NTAbs and anti-S1 IgA levels, with the BNT/BNT/BNT regimen yielding particularly higher enhancements (p < 0.05). </p><h3>Conclusion</h3><p dir="ltr">The study concludes that although TAbs and anti-S-RBD IgG antibody levels are similar for both regimens, homologous mRNA boosting outperform heterologous regimen by enhancing anti-S1 IgA and neutralizing antibody levels.</p><h2>Other Information</h2><p dir="ltr">Published in: Vaccine<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.vaccine.2024.06.010" target="_blank">https://dx.doi.org/10.1016/j.vaccine.2024.06.010</a></p>
eu_rights_str_mv openAccess
id Manara2_2e152652b1d90d40f1238431b43ce490
identifier_str_mv 10.1016/j.vaccine.2024.06.010
network_acronym_str Manara2
network_name_str Manara2
oai_identifier_str oai:figshare.com:article/29898593
publishDate 2024
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spelling Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boostingSalma Younes (6424865)Eleonora Nicolai (496034)Nadin Younes (4863280)Massimo Pieri (5023022)Sergio Bernardini (504056)Parveen B. Nizamuddin (14590613)Duaa W. Al-Sadeq (10976754)Hanin I. Daas (17863886)Ahmed Ismail (2671822)Hadi M. Yassine (4675846)Laith J. Abu-Raddad (9262524)Gheyath K. Nasrallah (9200525)Biomedical and clinical sciencesClinical sciencesImmunologyHealth sciencesPublic healthAZD1222 (Oxford-AstraZeneca, ChAd)HomologousHeterologousmRNA vaccinationNeutralizing antibodyAnti-S1 IgA<h3>Background </h3><p dir="ltr">Priming with two doses of AZD1222 (Oxford-AstraZeneca; ChAd) followed by a third mRNA vaccine boosting is considered in several countries, yet comparisons between heterologous and homologous booster efficacy remain unexplored. </p><h3>Aim</h3><p dir="ltr">To evaluate and contrast the immunogenicity of homologous and heterologous boosting regimens. </p><h3>Method</h3><p dir="ltr">The study examined antibody responses in 1113 subjects, comprising 895 vaccine-naïve individuals across different vaccination strategies (partial, primary series, heterologous booster, homologous booster) and 218 unvaccinated, naturally infected individuals. Assessments included neutralizing total antibodies (NTAbs), total antibodies (TAbs), anti-S-RBD IgG, and anti-S1 IgA levels. </p><h3>Results</h3><p dir="ltr">The study found mRNA vaccines to exhibit superior immunogenicity in primary series vaccination compared to ChAd, with mRNA-1273 significantly enhancing NTAbs, TAbs, anti-S-RBD IgG, and anti-S1 IgA levels (p < 0.001). Both booster types improved antibody levels beyond primary outcomes, with no significant difference in TAbs and anti-S-RBD IgG levels between regimens. However, homologous mRNA boosters significantly outperformed heterologous boosters in enhancing NTAbs and anti-S1 IgA levels, with the BNT/BNT/BNT regimen yielding particularly higher enhancements (p < 0.05). </p><h3>Conclusion</h3><p dir="ltr">The study concludes that although TAbs and anti-S-RBD IgG antibody levels are similar for both regimens, homologous mRNA boosting outperform heterologous regimen by enhancing anti-S1 IgA and neutralizing antibody levels.</p><h2>Other Information</h2><p dir="ltr">Published in: Vaccine<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.vaccine.2024.06.010" target="_blank">https://dx.doi.org/10.1016/j.vaccine.2024.06.010</a></p>2024-10-01T00:00:00ZTextJournal contributioninfo:eu-repo/semantics/publishedVersiontextcontribution to journal10.1016/j.vaccine.2024.06.010https://figshare.com/articles/journal_contribution/Comparable_antibody_levels_in_heterologous_and_homologous_mRNA_COVID-19_vaccination_with_superior_neutralizing_and_IgA_antibody_responses_in_mRNA_homologous_boosting/29898593CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/298985932024-10-01T00:00:00Z
spellingShingle Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting
Salma Younes (6424865)
Biomedical and clinical sciences
Clinical sciences
Immunology
Health sciences
Public health
AZD1222 (Oxford-AstraZeneca, ChAd)
Homologous
Heterologousm
RNA vaccination
Neutralizing antibody
Anti-S1 IgA
status_str publishedVersion
title Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting
title_full Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting
title_fullStr Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting
title_full_unstemmed Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting
title_short Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting
title_sort Comparable antibody levels in heterologous and homologous mRNA COVID-19 vaccination, with superior neutralizing and IgA antibody responses in mRNA homologous boosting
topic Biomedical and clinical sciences
Clinical sciences
Immunology
Health sciences
Public health
AZD1222 (Oxford-AstraZeneca, ChAd)
Homologous
Heterologousm
RNA vaccination
Neutralizing antibody
Anti-S1 IgA