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Immunogenicity and safety of a pentavalent diphtheria, tetanus, acellular pertussis, inactivated poliovirus, haemophilus influenzae type b conjugate combination vaccine (pentaxim™) with hepatitis B vaccine.
Indian Pediatr ; 2009 Nov; 46(11): 975-982
Article in English | IMSEAR | ID: sea-144216
ABSTRACT

Objective:

To obtain immunogenicity and safety data for a pentavalent combination vaccine (diphtheria, tetanus, acellular pertussis, inactivated poliovirus, Hib polysaccharide-conjugate).

Design:

Multicenter, open, Phase III clinical study. A DTaP-IPV//PRP~T vaccine (PentaximTM) was given at 6,10,14 weeks of age; and Hepatitis B vaccine at 0,6,14 or at 6,10,14 weeks of age. Immunogenicity assessed 1 month post-3rd dose; safety assessed for 30 minutes by the investigator, then by parents and investigators to 8 days and 30 days post-vaccination.

Setting:

Tertiary-care hospitals. Participants/patients 226 healthy Indian infants (6 weeks of age). Main outcome

measures:

Immunogenicity and safety.

Results:

Immunogenicity was high for each vaccine antigen, and similar to a historical control study (France) following a 2,3,4 month of age administration schedule. Post-3rd dose, 98.6% of subjects had anti-PRP ³0.15 mg/mL and 90.0% had titers ³1.0 mg/mL; the anti-PRP GMT was 4.1 µg/mL. Seroprotection rates for diphtheria and tetanus (³0.01 IU/mL) were 99.1% and 100%; and 100%,99.1% and 100%, for polio types 1,2 and 3 (³8 [1/dil]) respectively. Anti-polio GMTs were 440.5,458.9, and 1510.7 (1/dil) for types 1,2 and 3 respectively. The vaccine response rates to pertussis antigens (4-fold increase in antibody concentration) were 93.7% for PT and 85.7% for FHA; the 2-fold increase was 97.1% and 92.4%. Vaccine reactogenicity was low with adverse reaction incidence not increasing with subsequent doses.

Conclusion:

The DTaP-IPV//PRP~T vaccine, given concomitantly with monovalent hepatitis B vaccine, was highly immunogenic at 6, 10 and 14 weeks of age in infants in India. The vaccine was well tolerated.
Subject(s)

Full text: Available Index: IMSEAR (South-East Asia) Main subject: Female / Male / Poliovirus Vaccine, Inactivated / Prospective Studies / Hepatitis B Vaccines / Vaccines, Conjugate / Vaccines, Combined / Haemophilus Vaccines / Haemophilus influenzae type b / Diphtheria-Tetanus-acellular Pertussis Vaccines Type of study: Controlled clinical trial / Observational study Country/Region as subject: Asia Language: English Journal: Indian Pediatr Year: 2009 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Main subject: Female / Male / Poliovirus Vaccine, Inactivated / Prospective Studies / Hepatitis B Vaccines / Vaccines, Conjugate / Vaccines, Combined / Haemophilus Vaccines / Haemophilus influenzae type b / Diphtheria-Tetanus-acellular Pertussis Vaccines Type of study: Controlled clinical trial / Observational study Country/Region as subject: Asia Language: English Journal: Indian Pediatr Year: 2009 Type: Article