Immunogenicity of 2 Versus 3 Doses of Combined Hepatitis B Vaccines in 2-18 Months Old Children
Hepatitis B
About this trial
This is an interventional prevention trial for Hepatitis B focused on measuring Vaccination, Two doses, Infants
Eligibility Criteria
Inclusion Criteria:
- Comparator group :
have received 3 doses of Infanrix-hexa as part of the regular vaccination program at the age of 2, 4 and 18 months.
• Study groups:
- have received 1 dose of Infanrix-hexa as part of the regular vaccination program at the age of 2 months.
Exclusion Criteria:
Have received other doses of hepatitis B vaccine;
- Be considered immunosuppressed;
- Have an autoimmune disease;
- Have contraindications to HBV vaccination, as defined in the Quebec Immunization Protocol;
- Have a bleeding disorder;
- Be significantly delayed in development;
- Have or plan to participate in other clinical studies with vaccines or products not approved in Canada;
- Have presented a serious clinical condition to the vaccines administered as part of the study.
Sites / Locations
- Laval University Research Hospital CenterRecruiting
- Équipe de recherche en vaccinationRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Active Comparator
Experimental
Experimental
Infanrix-hexa+Infanrix-hexa+Infanrix-hexa
Infanrix-hexa+Infanrix-hexa
Infanrix-hexa+Twinrix
Children vaccinated at the age of 2, 4 and 18 months with a standard dose of Infanrix-hexa
Children vaccinated at the age of 2 and 18 months with a standard dose of Infanrix-hexa
Children vaccinated at the age of 2 and 18 months with a standard dose of Infanrix-hexa and a standard dose of Infanrix-Junior, respectively