Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultos

Background: New vaccination strategies are needed to control the increasing problem of pertussis in teenagers and adults. Aim: To determine the immunogenicity and reactogenicity of a diphtheria-tetanus-acellular pertussis (dTpa) vaccine with reduced antigen content. Material and Methods: A single do...

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Autores principales:	Abarca V,Katia, Valdivieso R,Francisca, Potin S,Marcela, Ibáñez W,Isabel, Vial C,Pablo
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2002
Materias:	Diphteria-Tetanus-Pertussis vaccine Vaccines, attenuated Vaccines, combined
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872002000500004
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spelling	oai:scielo:S0034-988720020005000042002-08-22Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultosAbarca V,KatiaValdivieso R,FranciscaPotin S,MarcelaIbáñez W,IsabelVial C,Pablo Diphteria-Tetanus-Pertussis vaccine Vaccines, attenuated Vaccines, combined Background: New vaccination strategies are needed to control the increasing problem of pertussis in teenagers and adults. Aim: To determine the immunogenicity and reactogenicity of a diphtheria-tetanus-acellular pertussis (dTpa) vaccine with reduced antigen content. Material and Methods: A single dose of the dTpa vaccine was administered to 60 children 10 to 11 years old and 60 healthy adults. At the moment of vaccination and one month later, antibody levels were measured against 3 B pertussis antigens: anti-pertussis toxin (PT), anti-pertactin (PRN) and anti-filamentous hemagglutinin (FHA), as well as anti-tetanus and anti-diphtheria antibodies. Local and general symptoms were registered during 14 days following vaccine administration. Results: Antibody response for PT, FHA and PRN was 98.3%, 100% and 100% in adults and 98.2%, 100% and 98.2% in children. Seropositivity for all pertussis antigens was 100% in adults and in children one month after vaccination. Geometric mean titers (GMT) significantly increased in adults and children. The seroprotection level achieved for tetanus and diphtheria antibodies one month after vaccination was 96.7% for adults and 100% for children, respectively. No serious adverse events were reported during the study. Among local symptoms pain was the most frequent (88-90%), but it was mostly mild or moderate. Solicited general symptoms observed for children and adults, respectively, included headache (37% and 53%), fatigue (18% and 35%) gastrointestinal symptoms (18% and 25%) and fever (8% and 3%). Only one vaccinee had fever above 39°C. Conclusions: the dTpa vaccine showed an adequate safety profile and induced an intense immunological response to all antigens in adults and children aged 10-11 (Rev Méd Chile 2002; 130: 502-10)info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.130 n.5 20022002-05-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872002000500004es10.4067/S0034-98872002000500004
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Diphteria-Tetanus-Pertussis vaccine Vaccines, attenuated Vaccines, combined
spellingShingle	Diphteria-Tetanus-Pertussis vaccine Vaccines, attenuated Vaccines, combined Abarca V,Katia Valdivieso R,Francisca Potin S,Marcela Ibáñez W,Isabel Vial C,Pablo Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultos
description	Background: New vaccination strategies are needed to control the increasing problem of pertussis in teenagers and adults. Aim: To determine the immunogenicity and reactogenicity of a diphtheria-tetanus-acellular pertussis (dTpa) vaccine with reduced antigen content. Material and Methods: A single dose of the dTpa vaccine was administered to 60 children 10 to 11 years old and 60 healthy adults. At the moment of vaccination and one month later, antibody levels were measured against 3 B pertussis antigens: anti-pertussis toxin (PT), anti-pertactin (PRN) and anti-filamentous hemagglutinin (FHA), as well as anti-tetanus and anti-diphtheria antibodies. Local and general symptoms were registered during 14 days following vaccine administration. Results: Antibody response for PT, FHA and PRN was 98.3%, 100% and 100% in adults and 98.2%, 100% and 98.2% in children. Seropositivity for all pertussis antigens was 100% in adults and in children one month after vaccination. Geometric mean titers (GMT) significantly increased in adults and children. The seroprotection level achieved for tetanus and diphtheria antibodies one month after vaccination was 96.7% for adults and 100% for children, respectively. No serious adverse events were reported during the study. Among local symptoms pain was the most frequent (88-90%), but it was mostly mild or moderate. Solicited general symptoms observed for children and adults, respectively, included headache (37% and 53%), fatigue (18% and 35%) gastrointestinal symptoms (18% and 25%) and fever (8% and 3%). Only one vaccinee had fever above 39°C. Conclusions: the dTpa vaccine showed an adequate safety profile and induced an intense immunological response to all antigens in adults and children aged 10-11 (Rev Méd Chile 2002; 130: 502-10)
author	Abarca V,Katia Valdivieso R,Francisca Potin S,Marcela Ibáñez W,Isabel Vial C,Pablo
author_facet	Abarca V,Katia Valdivieso R,Francisca Potin S,Marcela Ibáñez W,Isabel Vial C,Pablo
author_sort	Abarca V,Katia
title	Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultos
title_short	Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultos
title_full	Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultos
title_fullStr	Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultos
title_full_unstemmed	Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultos
title_sort	inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dtpa) en niños de 10 a 11 años de edad y en adultos
publisher	Sociedad Médica de Santiago
publishDate	2002
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872002000500004
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Inmunogenicidad y reactogenicidad de una vacuna de difteria, tétanos, pertussis acelular de contenido antigénico reducido (dTpa) en niños de 10 a 11 años de edad y en adultos

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