期刊
PEDIATRIC INFECTIOUS DISEASE JOURNAL
卷 36, 期 2, 页码 202-208出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/INF.0000000000001405
关键词
DTaP; Polio; Hib; Hepatitis B; hexavalent; vaccine; safety; immunogenicity; lot consistency
资金
- Merck Co., Inc.
- Sanofi Pasteur, Inc.
- Merck
- Sanofi Pasteur
- GlaxoSmithKline
- Pfizer
- Nuron Biotech
- MedImmune and Protein Science
Background: This multicenter phase III study (NCT01340937) evaluated the consistency of immune responses to 3 separate lots of diphtheria-tetanus toxoids-acellular pertussis 5, inactivated poliovirus vaccine, Haemophilus influenzae type b, and hepatitis B (DTaP5-IPV-Hib-HepB), an investigational hexavalent vaccine (HV). Methods: Healthy infants were randomized (2: 2: 2: 1) to receive HV or Pentacel (Control). Groups 1, 2 and 3 received HV at 2, 4 and 6 months, and Control at 15 months. Group 4 received Control at 2, 4, 6 and 15 months, plus Recombivax HB (HepB) at 2 and 6 months. Concomitant Prevnar 13 was given to all groups at 2, 4, 6 and 15 months; pentavalent rotavirus vaccine (RV5) was given to all groups at 2, 4 and 6 months. Blood specimens (3-5 mL) were collected immediately before administration of dose 1, postdose 3, immediately before toddler dose, and after toddler dose. Adverse events were recorded after each vaccination. Results: The 3 manufacturing lots of HV induced consistent antibody responses to all antigens. Immunogenicity of HV was noninferior to Control for all antibodies, except for pertussis filamentous hemagglutinin geometric mean concentration postdose 3, and pertussis pertactin (PRN) geometric mean concentration after toddler dose. Postdose 3 immunogenicity of concomitantly administered Prevnar 13 was generally similar (except for serotype 6B) when given with HV or Control. Adverse events of HV were similar to Control, except for a higher rate of fever >= 38.0 degrees C [49.2% vs. 35.4%, estimated difference 13.7% (8.4, 18.8)]. Conclusions: HV demonstrated lot-to-lot manufacturing consistency; safety and immunogenicity were comparable with the licensed vaccines. HV provides a new combination vaccine option within the US 2-month, 4-month and 6-month vaccine series.
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