author_facet Zafack, Joseline Guetsop
Bureau, Alexandre
Skowronski, Danuta M
De Serres, Gaston
Zafack, Joseline Guetsop
Bureau, Alexandre
Skowronski, Danuta M
De Serres, Gaston
author Zafack, Joseline Guetsop
Bureau, Alexandre
Skowronski, Danuta M
De Serres, Gaston
spellingShingle Zafack, Joseline Guetsop
Bureau, Alexandre
Skowronski, Danuta M
De Serres, Gaston
BMJ Open
Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
General Medicine
author_sort zafack, joseline guetsop
spelling Zafack, Joseline Guetsop Bureau, Alexandre Skowronski, Danuta M De Serres, Gaston 2044-6055 2044-6055 BMJ General Medicine http://dx.doi.org/10.1136/bmjopen-2018-026953 <jats:sec><jats:title>Objectives</jats:title><jats:p>(1) To assess if co-administration of four-component meningococcal serogroup B vaccine (4CMenB) and other routine vaccines caused an interaction increasing the risk and/or severity of adverse events following immunisation (AEFI) compared with administration at separate visits and (2) to estimate the risk of AEFI recurrence.</jats:p></jats:sec><jats:sec><jats:title>Design</jats:title><jats:p>Risk-interval design</jats:p></jats:sec><jats:sec><jats:title>Setting</jats:title><jats:p>Three randomised controlled trials conducted in Europe.</jats:p></jats:sec><jats:sec><jats:title>Participants</jats:title><jats:p>A total of 5026 healthy 2-month-old to 15-month-old infants.</jats:p></jats:sec><jats:sec><jats:title>Interventions</jats:title><jats:p>4CMenB and routine vaccines (hexavalent combined diphtheria-tetanus-acellular pertussis-inactivated polio-Haemophilus influenzae type b-hepatitis B vaccine+seven-valent pneumococcal conjugate vaccine or measles-mumps-rubella-varicella vaccine) administered concomitantly or separately 1 month apart, in regular (2, 4, 6 and 12 months), accelerated (2, 3, 4 and 12 months) or delayed (two doses of 4CMenB at ≥12 months of age) schedules.</jats:p></jats:sec><jats:sec><jats:title>Outcome measures</jats:title><jats:p>Primary: Fever (≥38°C) during the first 48 hours post immunisation. Secondary: crying, change in eating habits, diarrhoea, irritability and tenderness at the 4CMenB injection site.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Compared with separate administration, concomitant administration decreased the overall incidence of fever (≥38°C), 86% versus 75%, and other systemic AEFIs but increased the incidence of 4CMenB injection site tenderness, 55% versus 66%, moderate/severe fevers (≥39°C), 13% versus 18%, and long-lasting (&gt;1 day) fevers, 23% versus 33%. Co-administration reduced AEFI risk by 4%–49% with the greatest impact among infants with prior AEFI(s). Fever recurrence risk was proportional to the number of prior fever events: 79% at dose 2 with one prior episode; 44% and 74% at dose 3 with one and two prior episodes, respectively; and 29%, 45% and 60% at dose 4 with one, two and three prior episodes, respectively. Severity was not increased at recurrence and a similar pattern of recurrence risk proportional to the number of prior events was observed for other AEFIs.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>The cumulative risk of AEFI is reduced with concomitant versus separate administration of 4CMenB and routine infant vaccines. Infants with a prior AEFI are at higher risk of the same AEFI at subsequent immunisations, but severity with recurrence is usually not increased.</jats:p></jats:sec><jats:sec><jats:title>Trials registration number</jats:title><jats:p><jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00657709" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00657709</jats:ext-link>,<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00847145" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00847145</jats:ext-link>,<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00721396" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00721396</jats:ext-link>and<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT02712177" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT02712177</jats:ext-link>; Pre-results.</jats:p></jats:sec> Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials BMJ Open
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title Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_unstemmed Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_full Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_fullStr Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_full_unstemmed Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_short Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_sort adverse events following immunisation with four-component meningococcal serogroup b vaccine (4cmenb): interaction with co-administration of routine infant vaccines and risk of recurrence in european randomised controlled trials
topic General Medicine
url http://dx.doi.org/10.1136/bmjopen-2018-026953
publishDate 2019
physical e026953
description <jats:sec><jats:title>Objectives</jats:title><jats:p>(1) To assess if co-administration of four-component meningococcal serogroup B vaccine (4CMenB) and other routine vaccines caused an interaction increasing the risk and/or severity of adverse events following immunisation (AEFI) compared with administration at separate visits and (2) to estimate the risk of AEFI recurrence.</jats:p></jats:sec><jats:sec><jats:title>Design</jats:title><jats:p>Risk-interval design</jats:p></jats:sec><jats:sec><jats:title>Setting</jats:title><jats:p>Three randomised controlled trials conducted in Europe.</jats:p></jats:sec><jats:sec><jats:title>Participants</jats:title><jats:p>A total of 5026 healthy 2-month-old to 15-month-old infants.</jats:p></jats:sec><jats:sec><jats:title>Interventions</jats:title><jats:p>4CMenB and routine vaccines (hexavalent combined diphtheria-tetanus-acellular pertussis-inactivated polio-Haemophilus influenzae type b-hepatitis B vaccine+seven-valent pneumococcal conjugate vaccine or measles-mumps-rubella-varicella vaccine) administered concomitantly or separately 1 month apart, in regular (2, 4, 6 and 12 months), accelerated (2, 3, 4 and 12 months) or delayed (two doses of 4CMenB at ≥12 months of age) schedules.</jats:p></jats:sec><jats:sec><jats:title>Outcome measures</jats:title><jats:p>Primary: Fever (≥38°C) during the first 48 hours post immunisation. Secondary: crying, change in eating habits, diarrhoea, irritability and tenderness at the 4CMenB injection site.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Compared with separate administration, concomitant administration decreased the overall incidence of fever (≥38°C), 86% versus 75%, and other systemic AEFIs but increased the incidence of 4CMenB injection site tenderness, 55% versus 66%, moderate/severe fevers (≥39°C), 13% versus 18%, and long-lasting (&gt;1 day) fevers, 23% versus 33%. Co-administration reduced AEFI risk by 4%–49% with the greatest impact among infants with prior AEFI(s). Fever recurrence risk was proportional to the number of prior fever events: 79% at dose 2 with one prior episode; 44% and 74% at dose 3 with one and two prior episodes, respectively; and 29%, 45% and 60% at dose 4 with one, two and three prior episodes, respectively. Severity was not increased at recurrence and a similar pattern of recurrence risk proportional to the number of prior events was observed for other AEFIs.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>The cumulative risk of AEFI is reduced with concomitant versus separate administration of 4CMenB and routine infant vaccines. Infants with a prior AEFI are at higher risk of the same AEFI at subsequent immunisations, but severity with recurrence is usually not increased.</jats:p></jats:sec><jats:sec><jats:title>Trials registration number</jats:title><jats:p><jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00657709" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00657709</jats:ext-link>,<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00847145" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00847145</jats:ext-link>,<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00721396" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00721396</jats:ext-link>and<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT02712177" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT02712177</jats:ext-link>; Pre-results.</jats:p></jats:sec>
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author Zafack, Joseline Guetsop, Bureau, Alexandre, Skowronski, Danuta M, De Serres, Gaston
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description <jats:sec><jats:title>Objectives</jats:title><jats:p>(1) To assess if co-administration of four-component meningococcal serogroup B vaccine (4CMenB) and other routine vaccines caused an interaction increasing the risk and/or severity of adverse events following immunisation (AEFI) compared with administration at separate visits and (2) to estimate the risk of AEFI recurrence.</jats:p></jats:sec><jats:sec><jats:title>Design</jats:title><jats:p>Risk-interval design</jats:p></jats:sec><jats:sec><jats:title>Setting</jats:title><jats:p>Three randomised controlled trials conducted in Europe.</jats:p></jats:sec><jats:sec><jats:title>Participants</jats:title><jats:p>A total of 5026 healthy 2-month-old to 15-month-old infants.</jats:p></jats:sec><jats:sec><jats:title>Interventions</jats:title><jats:p>4CMenB and routine vaccines (hexavalent combined diphtheria-tetanus-acellular pertussis-inactivated polio-Haemophilus influenzae type b-hepatitis B vaccine+seven-valent pneumococcal conjugate vaccine or measles-mumps-rubella-varicella vaccine) administered concomitantly or separately 1 month apart, in regular (2, 4, 6 and 12 months), accelerated (2, 3, 4 and 12 months) or delayed (two doses of 4CMenB at ≥12 months of age) schedules.</jats:p></jats:sec><jats:sec><jats:title>Outcome measures</jats:title><jats:p>Primary: Fever (≥38°C) during the first 48 hours post immunisation. Secondary: crying, change in eating habits, diarrhoea, irritability and tenderness at the 4CMenB injection site.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Compared with separate administration, concomitant administration decreased the overall incidence of fever (≥38°C), 86% versus 75%, and other systemic AEFIs but increased the incidence of 4CMenB injection site tenderness, 55% versus 66%, moderate/severe fevers (≥39°C), 13% versus 18%, and long-lasting (&gt;1 day) fevers, 23% versus 33%. Co-administration reduced AEFI risk by 4%–49% with the greatest impact among infants with prior AEFI(s). Fever recurrence risk was proportional to the number of prior fever events: 79% at dose 2 with one prior episode; 44% and 74% at dose 3 with one and two prior episodes, respectively; and 29%, 45% and 60% at dose 4 with one, two and three prior episodes, respectively. Severity was not increased at recurrence and a similar pattern of recurrence risk proportional to the number of prior events was observed for other AEFIs.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>The cumulative risk of AEFI is reduced with concomitant versus separate administration of 4CMenB and routine infant vaccines. Infants with a prior AEFI are at higher risk of the same AEFI at subsequent immunisations, but severity with recurrence is usually not increased.</jats:p></jats:sec><jats:sec><jats:title>Trials registration number</jats:title><jats:p><jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00657709" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00657709</jats:ext-link>,<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00847145" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00847145</jats:ext-link>,<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00721396" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00721396</jats:ext-link>and<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT02712177" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT02712177</jats:ext-link>; Pre-results.</jats:p></jats:sec>
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spelling Zafack, Joseline Guetsop Bureau, Alexandre Skowronski, Danuta M De Serres, Gaston 2044-6055 2044-6055 BMJ General Medicine http://dx.doi.org/10.1136/bmjopen-2018-026953 <jats:sec><jats:title>Objectives</jats:title><jats:p>(1) To assess if co-administration of four-component meningococcal serogroup B vaccine (4CMenB) and other routine vaccines caused an interaction increasing the risk and/or severity of adverse events following immunisation (AEFI) compared with administration at separate visits and (2) to estimate the risk of AEFI recurrence.</jats:p></jats:sec><jats:sec><jats:title>Design</jats:title><jats:p>Risk-interval design</jats:p></jats:sec><jats:sec><jats:title>Setting</jats:title><jats:p>Three randomised controlled trials conducted in Europe.</jats:p></jats:sec><jats:sec><jats:title>Participants</jats:title><jats:p>A total of 5026 healthy 2-month-old to 15-month-old infants.</jats:p></jats:sec><jats:sec><jats:title>Interventions</jats:title><jats:p>4CMenB and routine vaccines (hexavalent combined diphtheria-tetanus-acellular pertussis-inactivated polio-Haemophilus influenzae type b-hepatitis B vaccine+seven-valent pneumococcal conjugate vaccine or measles-mumps-rubella-varicella vaccine) administered concomitantly or separately 1 month apart, in regular (2, 4, 6 and 12 months), accelerated (2, 3, 4 and 12 months) or delayed (two doses of 4CMenB at ≥12 months of age) schedules.</jats:p></jats:sec><jats:sec><jats:title>Outcome measures</jats:title><jats:p>Primary: Fever (≥38°C) during the first 48 hours post immunisation. Secondary: crying, change in eating habits, diarrhoea, irritability and tenderness at the 4CMenB injection site.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Compared with separate administration, concomitant administration decreased the overall incidence of fever (≥38°C), 86% versus 75%, and other systemic AEFIs but increased the incidence of 4CMenB injection site tenderness, 55% versus 66%, moderate/severe fevers (≥39°C), 13% versus 18%, and long-lasting (&gt;1 day) fevers, 23% versus 33%. Co-administration reduced AEFI risk by 4%–49% with the greatest impact among infants with prior AEFI(s). Fever recurrence risk was proportional to the number of prior fever events: 79% at dose 2 with one prior episode; 44% and 74% at dose 3 with one and two prior episodes, respectively; and 29%, 45% and 60% at dose 4 with one, two and three prior episodes, respectively. Severity was not increased at recurrence and a similar pattern of recurrence risk proportional to the number of prior events was observed for other AEFIs.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>The cumulative risk of AEFI is reduced with concomitant versus separate administration of 4CMenB and routine infant vaccines. Infants with a prior AEFI are at higher risk of the same AEFI at subsequent immunisations, but severity with recurrence is usually not increased.</jats:p></jats:sec><jats:sec><jats:title>Trials registration number</jats:title><jats:p><jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00657709" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00657709</jats:ext-link>,<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00847145" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00847145</jats:ext-link>,<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT00721396" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT00721396</jats:ext-link>and<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="NCT02712177" ext-link-type="clintrialgov" specific-use="clinicaltrial pre-results">NCT02712177</jats:ext-link>; Pre-results.</jats:p></jats:sec> Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials BMJ Open
spellingShingle Zafack, Joseline Guetsop, Bureau, Alexandre, Skowronski, Danuta M, De Serres, Gaston, BMJ Open, Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials, General Medicine
title Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_full Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_fullStr Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_full_unstemmed Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_short Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
title_sort adverse events following immunisation with four-component meningococcal serogroup b vaccine (4cmenb): interaction with co-administration of routine infant vaccines and risk of recurrence in european randomised controlled trials
title_unstemmed Adverse events following immunisation with four-component meningococcal serogroup B vaccine (4CMenB): interaction with co-administration of routine infant vaccines and risk of recurrence in European randomised controlled trials
topic General Medicine
url http://dx.doi.org/10.1136/bmjopen-2018-026953