2005
DOI: 10.1001/jama.293.24.3003
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Combined Tetanus, Diphtheria, and 5-Component Pertussis Vaccine for Use in Adolescents and Adults

Abstract: Context Increasing reports of pertussis among US adolescents, adults, and their infant contacts have stimulated vaccine development for older age groups.Objective To assess the immunogenicity and reactogenicity of a tetanus-diphtheria 5-component (pertussis toxoid, filamentous hemagglutinin, pertactin, and fimbriae types 2 and 3) acellular pertussis vaccine (Tdap) in adolescents and adults.Design, Setting, and Participants A prospective, randomized, modified doubleblind, comparative trial was conducted in heal… Show more

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Cited by 123 publications
(128 citation statements)
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References 14 publications
(17 reference statements)
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“…Subjects were enrolled at four clinical trial centres in France (Gabriel Montpied Hospital, Clermont-Ferrand; Cochin Hospital, Paris; Saint-Eloi Hospital, Montpellier; and DermscanPharmascan, Villeurbanne). Only healthy male and female volunteers meeting study requirements and the following inclusion criteria were included: (1) aged between 18 and 40 years; (2) written evidence of vaccination history and having received between five and eight doses of tetanus, diphtheria and poliovirus vaccine by the age of 18 years, as recommended in the French vaccination calendar; (3) the last dose of separate or combined diphtheria and/or tetanus and/or poliovirus and Halperin et al 18,19 Calculation assumed no inter-group difference. On this basis and with an expected drop-out rate of 5%, 500 inclusions (250 per group) were expected to give accuracy (95% CI width) of 2.9-8.7% (depending on the proportions of AEs) for the 95% CI of the inter-group difference.…”
Section: Methodsmentioning
confidence: 99%
“…Subjects were enrolled at four clinical trial centres in France (Gabriel Montpied Hospital, Clermont-Ferrand; Cochin Hospital, Paris; Saint-Eloi Hospital, Montpellier; and DermscanPharmascan, Villeurbanne). Only healthy male and female volunteers meeting study requirements and the following inclusion criteria were included: (1) aged between 18 and 40 years; (2) written evidence of vaccination history and having received between five and eight doses of tetanus, diphtheria and poliovirus vaccine by the age of 18 years, as recommended in the French vaccination calendar; (3) the last dose of separate or combined diphtheria and/or tetanus and/or poliovirus and Halperin et al 18,19 Calculation assumed no inter-group difference. On this basis and with an expected drop-out rate of 5%, 500 inclusions (250 per group) were expected to give accuracy (95% CI width) of 2.9-8.7% (depending on the proportions of AEs) for the 95% CI of the inter-group difference.…”
Section: Methodsmentioning
confidence: 99%
“…10 There may be an explanation for this situation in that protection against pertussis would appear to be multifactorial, involving humoral, cellular and mucosal immunity. Thus, studies that include the different types of immunity for long-term assessment of the protection induced by pertussis vaccines are considered to be necessary.…”
Section: Natural Immunological Response and Response To Immunizationmentioning
confidence: 99%
“…Thus, studies that include the different types of immunity for long-term assessment of the protection induced by pertussis vaccines are considered to be necessary. 10,11 Wendelboe et al 12 warned about various factors that may make it difficult to assess the persistence of pertussis vaccine induced immunity, as well as to limit the comparability among different studies, such as: the existence of various types of vaccines, alteration in vaccine compositions, use of non-uniform schemes, divergence in case definitions and presence of problems in the epidemiologic surveillance system.…”
Section: Natural Immunological Response and Response To Immunizationmentioning
confidence: 99%
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