Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/131571
Title: Immunogenicity, reactogenicity and safety of a diphtheria-tetanus-acellular pertussis-inactivated polio and Haemophilus Influenzae type b combination vaccine in a placebo-controlled rotavirus vaccine study
Authors: Kong, B.P.
Seng, H.Q. 
Fong, S.L.
Goh, P.
Yee, L.T.
Datta, S.K.
Han, H.H.
Bock, H.L.
Keywords: Paediatric
Vaccination
Issue Date: Jul-2008
Source: Kong, B.P., Seng, H.Q., Fong, S.L., Goh, P., Yee, L.T., Datta, S.K., Han, H.H., Bock, H.L. (2008-07). Immunogenicity, reactogenicity and safety of a diphtheria-tetanus-acellular pertussis-inactivated polio and Haemophilus Influenzae type b combination vaccine in a placebo-controlled rotavirus vaccine study. Annals of the Academy of Medicine Singapore 37 (7) : 546-553. ScholarBank@NUS Repository.
Abstract: Introduction: In recent years, acellular pertussis combination vaccines have facilitated compliance with and coverage of the national immunisation programme in Singapore. This phase-II study (Rota-007) evaluated the immunogenicity, reactogenicity and safety of a DTPa-IPV/Hib combined vaccine when co-administered with a rotavirus vaccine. Materials and Methods: A total of 2464 children aged 3 months were vaccinated with DTPa-IPV/Hib together with a randomised 1:3 ratio of either placebo (n = 653) or 1 of 3 different formulations of a rotavirus vaccine. Blood samples were collected for immunogenicity analysis 1 month after the third DTPa-IPV/Hib vaccine dose in a subset of subjects (n = 640). Local and general reactogenicity and unsolicited adverse events were recorded during the follow-up after each vaccination. Results: Serological analysis showed >95% response for all antigens in the co-administered DTPa-IPV/Hib vaccine, with no difference between the rotavirus vaccine and placebo groups. No differences in adverse events and reactogenicity were reported in the rotavirus vaccine and placebo groups. Only 0.2% of the subjects reported Grade 3 adverse events. Three subjects (from the vaccine groups) died during the study, which were assessed by the investigators as unrelated to vaccination. No deaths were reported in the placebo group. Conclusion: The combined DTPa-IPV/Hib vaccine is safe, well tolerated and highly immunogenic when given alone or coadministered with the rotavirus vaccine for infants in Singapore.
Source Title: Annals of the Academy of Medicine Singapore
URI: http://scholarbank.nus.edu.sg/handle/10635/131571
ISSN: 03044602
Appears in Collections:Staff Publications

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