title: Reduced-antigen-content-diphtheria-tetanus-acellular-pertussis and inactivated polio vaccine as a booster for adolescents 10 to 14 years of age.
abstract: High rates of pertussis disease in adolescents suggest that additional boosting against pertussis would be beneficial. A combined acellular-pertussis-containing booster vaccine (dTpa-IPV; Boostrixtrade mark Polio, n =440) was compared to separately administered dTpa (Boostrixtrade mark) and inactivated polio virus (IPV; Imovax Polio((R)), n =219), and to DTPa-IPV (Infanrixtrade mark IPV, n =111) vaccine in a partially blind, randomised controlled trial in 10-14 year olds. One month after vaccination, seroprotection/seropositivity rates for all antigens were similar for all groups. Although pertussis and diphtheria antibody geometric mean antibody concentrations were higher after DTPa-IPV, all subjects had protective antibodies against diphtheria, tetanus and polio, and at least 97% had a vaccine response to pertussis antigens. Reactogenicity of dTpa-IPV was comparable to dTpa + IPV, but dTpa-IPV was generally better tolerated than DTPa-IPV.
  
  
  CONCLUSIONS
  The combined reduced-antigen-content-diphtheria-tetanus-acellular-pertussis and IPV vaccine is immunogenic and well tolerated when administered to adolescents and could be used to improve the control of pertussis disease in this age group.
authors.affiliation: Escuela de Medicina, Universidad de Valparaíso, Hontaneda 2653, Oficina 318, Valparaíso, Chile. Rodrigo.vergara@uv.cl
authors.forename: Rodrigo
authors.initials: R
authors.lastname: Vergara
authors.forename: Miguel
authors.initials: M
authors.lastname: Tregnaghi
authors.forename: José
authors.initials: J
authors.lastname: Ussher
authors.forename: Sofía
authors.initials: S
authors.lastname: Navarro
authors.forename: Ricardo
authors.initials: R
authors.lastname: Rüttimann
authors.forename: Marcela
authors.initials: M
authors.lastname: Potin
authors.forename: Joanne
authors.initials: J
authors.lastname: Wolter
authors.forename: Lode
authors.initials: L
authors.lastname: Schuerman
mesh_terms: D000293:Adolescent; D000704:Analysis of Variance; D000917:Antibody Formation; D002648:Child; D022681:Diphtheria-Tetanus-acellular Pertussis Vaccines / Q000008:administration & dosage* / Q000009:adverse effects / Q000276:immunology; D004311:Double-Blind Method; D006801:Humans; D007117:Immunization, Secondary; D011054:Poliovirus Vaccine, Inactivated / Q000008:administration & dosage* / Q000009:adverse effects / Q000276:immunology; D012449:Safety; D017778:Vaccines, Combined / Q000009:adverse effects / Q000276:immunology
chemical_list: D022681:Diphtheria-Tetanus-acellular Pertussis Vaccines; D011054:Poliovirus Vaccine, Inactivated; D017778:Vaccines, Combined