Comparison of Immunization Schedules of Inactivated Hepatitis A Vaccine and Combined Hepatitis A and Hepatitis B Vaccine
Hepatitis A, Hepatitis B
About this trial
This is an interventional prevention trial for Hepatitis A
Eligibility Criteria
Inclusion Criteria:
- Healthy infants between 18 and 24 months old;
- Have not received hepatitis A vaccine before;
- Completed hepatitis B vaccine full immunization schedule;
- Written consent of the guardian of each participant;
Exclusion Criteria of the First Injection:
- History of allergy to vaccine(s), or history of serious adverse reaction to vaccination, such as urticaria, dyspnea, angioneurotic edema, or abdominal pain;
- Autoimmune disease or immunodeficiency;
- Any acute disease that made the conditions of the person unsuitable for vaccination
- Administration of any live attenuated vaccine within 14 days prior to the injection;
- Administration of any subunit vaccine or inactivated vaccine within 7 days prior to the injection;
- Administration of treatment of immunosuppressants (e.g., corticosteroid) within 1 month prior to the injection, or planning for such treatment during this study;
- Body temperature > 37.0 °C before injection;
- Based on the evaluation of the investigator, there was any other factor that indicating the person was unsuitable for this study;
Exclusion Criteria of the Second Injection:
- Any acute infectious disease, body temperature > 38.5 °C or acute attacks of chronic diseases within 3 days prior to the second injection;
- Administration of blood product or other investigational drug during this study;
- Occurrence of adverse event at grade 3 or higher and the event was related to the first injection;
- The investigator or the Ethic Committee decided that the subject should be excluded;
Sites / Locations
- Hunan Provincial Center for Disease Control and Prevention
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Experimental
Group 1 (HAV + HAV)
Group 2 (HAV + HABV)
Group 3 (HABV + HABV)
Intervention: Inactivated Hepatitis A vaccine (HAV); Subjects in this group each received 2 doses of inactivated HAV with a 6-month interval (day 0, month 6); Route of administration: intramuscular injection in deltoid region;
Intervention: Inactivated Hepatitis A vaccine (HAV) and Combined hepatitis A and hepatitis B vaccine (HABV); Subjects in this group each received 1 dose of inactivated HAV at day 0, and 1 dose of HABV at month 6. Route of administration: intramuscular injection in deltoid region;
Intervention: Combined hepatitis A and hepatitis B vaccine (HABV); Subjects in this group each received 2 doses of HABV with a 6-month interval (day 0, month 6); Route of administration: intramuscular injection in deltoid region;