AI Article Synopsis
- DTaP5-HB-IPV-Hib is a hexavalent vaccine approved in Europe since 2016 for infants and toddlers, protecting against six serious diseases.
- Data from six studies analyzed the safety of this vaccine compared to other control vaccines, focusing on adverse events (AEs) following vaccination.
- Although injection-site and systemic AEs were common, most were mild, with serious AEs being rare; the only notable difference found was a higher rate of fever in the DTaP5-HB-IPV-Hib group in US studies.
Article Abstract
Background: DTaP5-HB-IPV-Hib is a fully liquid, hexavalent vaccine containing a 5-antigen pertussis component, approved since 2016 in Europe [Vaxelis; DTaP5-HB-IPV-Hib vaccine: Diphtheria, tetanus, pertussis (5 acellular components: pertussis toxoid [PT], filamentous haemagglutinin [FHA], pertactin (PRN), and fimbriae Types 2 and 3 [FIM]), hepatitis B (recombinant DNA: rDNA), poliomyelitis (inactivated) and Haemophilus influenzae type b conjugate vaccine (adsorbed); MCM Vaccine B.V., The Netherlands] for primary and booster vaccination in infants and toddlers against diphtheria, tetanus, pertussis, hepatitis B, poliomyelitis and invasive diseases caused by Haemophilus influenzae type b. The comparator vaccine (control) was INFANRIX hexa (GlaxoSmithKline Biologics S.A., Rixensart, Belgium) (DTaP3-IPV-HepB/Hib) in European studies and PENTACEL (DTaP5-IPV/Hib) (Sanofi Pasteur, Swiftwater, PA) in US studies.
Methods: Data from 6 studies were integrated and analyzed to provide a comprehensive safety profile. Numbers and proportions of subjects with adverse events (AEs) were summarized by treatment group. Group differences in proportion of AEs were calculated.
Results: Among the DTaP5-HB-IPV-Hib (N = 5223) and 2295 control (N = 2295) groups, solicited injection-site and systemic AEs were very common. Serious AEs were reported by 3.9% of DTaP5-HB-IPV-Hib and 3.7% of control subjects. Vaccine-related serious AEs occurred infrequently, 0.2% for both groups. Most AEs were mild-to-moderate and did not lead to subject withdrawal. Group differences for solicited systemic AEs were small (<3%) and not statistically significant, except for pyrexia (estimated difference 9.4% [95% CI: 6.7%-12%]). The difference was driven by the 2 US studies where the PENTACEL control group had a lower fever rate. Among European studies, there was no significant difference in rates of pyrexia between DTaP5-HB-IPV-Hib and INFANRIX hexa.
Conclusions: The safety of DTaP5-HB-IPV-Hib is consistent with the safety profile of its components and similar to comparator vaccines, including INFANRIX hexa. The vaccine provides a new, fully liquid and convenient hexavalent vaccination option for use with various vaccination schedules in Europe.
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| http://dx.doi.org/10.1097/INF.0000000000002257 | DOI Listing |
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