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Immunogenicity and Safety of Inactivated and Live Attenuated Hepatitis A Vaccines

Phase IV Clinical Trial to Assess the Safety, Immunogenicity,Three-year Immune Persistence of Inactivated Hepatitis A Vaccine (HAV) and Live Attenuated HAV Vaccine in Health Chinese Children and Adult

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02601040
Enrollment
13500
Registered
2015-11-10
Start date
2011-11-30
Completion date
2015-10-31
Last updated
2015-11-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hepatitis A

Keywords

Safety, Immunogenicity, Vaccine, Hepatitis A

Brief summary

The main purpose of this study was to evaluate the safety and immunogenicity of Immunogenicity of Inactivated and Live Attenuated Hepatitis A Vaccines for healthy Chinese people.

Interventions

BIOLOGICALAttenuated Hepatitis A Vaccine, H2 Strain

6.50 lgCCID50/ml in babies aged 18-35 months\\6.50 lgCCID50/ml in children aged 3-16 years \\6.50 lgCCID50/ml in adults aged 17 up to 65 years old

BIOLOGICALInactivated Hepatitis A Vaccine, Lu8 Strain

320EU/Vial in babies aged 18-35 months \\320EU/Vial in children aged 3-16 years \\640EU/Vial in adults aged 17 up to 65 years old\\boost at month 6\\two-dose

30µg Group A Meningococcal Polysaccharide vaccine in subjects aged 18 months-65 years old

Sponsors

Institute of Medical Biology, Chinese Academy of Medical Sciences
CollaboratorOTHER
Jiangsu Province Centers for Disease Control and Prevention
Lead SponsorNETWORK

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Months to 65 Years
Healthy volunteers
Yes

Inclusion criteria

* Only subjects fulfilling all of the following criteria will be eligible for the study: * People aged from 18 months to 65 years old. * The subjects or subjects' guardians are able to understand and sign the informed consent * The subjects or subjects' guardians allow to comply with the requirements of the protocol * Subjects with temperature \<=37.0°C on axillary setting * The subjects have signed informed consent already

Exclusion criteria

* Subjects will not be eligible for the study if any of the following criteria is met: * Subject who has a medical history of serious disease including Tumor, autoimmune disease, progressive atherosclerosis diseases or complications of diabetes, chronic obstructive pulmonary disease (copd), kidney disease, congestive heart failure etc. * Have a history of neurological symptoms or signs * Have medical history or family history relating to allergies, seizures, epilepsy, brain and spirit etc. * Suffering from serious chronic diseases * Suffering from known or suspected of diseases including respiratory diseases, acute infection , mothers have HIV infection, cardiovascular disease, severe hypertension, skin diseases, malignant tumor * Allergic to any ingredient in research, history of allergies to any vaccination (always), especially for people allergic to high protein food like eggs and milk * Any prior known or suspected damage or abnormal immune function. As for patients who are treated with immune inhibitors or immune enhancer medicine, accept with immunoglobin, blood products and plasma extraction within 3 months * Any prior diseases including human immunodeficiency virus infection or related * Bleeding constitution or prolong bleeding time situation * Accept hepatitis A vaccination within a month * Received vaccines, other immune globulin, any research drug injections in the past 4 weeks * People who had any acute illness, needed systemic antibiotics or antiviral treatment in the past 7 days * Caught a fever with axillary temperature 38°C or higher in past 3 days * Take part in another clinical researchers * Any medical, psychiatric, social condition, occupational reason or other responsibility that, in the judgment of the investigator, is a contraindication to protocol participation or impairs a volunteer's ability to give informed consent * Pregnancy test result is positive

Design outcomes

Primary

MeasureTime frameDescription
Changes of hepatitis A antibody concentration37 monthsChanges of anti Hepatitis A antibody geometric mean concentrations at pre-vaccination, month 1,12, 24, 36, and 1 months after the booster vaccination.

Secondary

MeasureTime frameDescription
Incidence of adverse events28 daysCompare incidence of all the solicited events(AEs), unsolicited AEs and serious AEs within 28 days post-vaccination.

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 4, 2026