Hepatitis A Clinical Trial
Official title:
Phase IV Trial to Compare the Safety, Immunogenicity,Three-year Immune Persistence of Inactivated Hepatitis A Vaccine (HAV) With One- or Two-dose Regimen and Live Attenuated HAV With One-dose Regimen in Chinese Young Adults, and to Evaluate the Immunogenicity of a Booster Dose.
Verified date | May 2013 |
Source | Sinovac Biotech Co., Ltd |
Contact | n/a |
Is FDA regulated | No |
Health authority | China: Food and Drug Administration |
Study type | Interventional |
A phase IV, randomization, single center, controlled clinical trial to compare the safety, immunogenicity,three-year immune persistence of inactivated hepatitis A vaccine (HAV) with one- or two-dose regimen and live attenuated HAV with one-dose regimen in Chinese young adults, and to evaluate the immunogenicity of a booster dose.
Status | Completed |
Enrollment | 239 |
Est. completion date | September 2012 |
Est. primary completion date | December 2011 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 16 Years to 25 Years |
Eligibility |
Inclusion Criteria: - Healthy undergraduate students aged 16 to 25 years - Sign the informed consent - Provide ID Exclusion Criteria: - Axillary temperature > 37.0 centigrade at the time of dosing - Subject that has a medical history of any of the following: allergic history, or allergic to any ingredient of vaccine - Serious adverse reactions to vaccines such as anaphylaxis, hives, respiratory difficulty, angioedema, or abdominal pain - Autoimmune disease or immunodeficiency - Congenital malformation, developmental disorders or serious chronic diseases (such as Down's syndrome, diabetes, sickle cell anemia or neurological disorders) - Bleeding disorder diagnosed by a doctor (e.g. factor deficiency, coagulopathy, or platelet disorder requiring special precautions) or significant bruising or bleeding difficulties with IM injections or blood draws - History or family history of convulsions, epilepsy, brain disease and psychiatric - History of any blood products within 3 months - Administration of any other investigational research agents within 30 days - Administration of any live attenuated vaccine within 30 days - Administration of subunit or inactivated vaccines within 14 days - 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 - anti-HBsAg positive - anti-HAV positive - Pregnancy test result is positive |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention
Country | Name | City | State |
---|---|---|---|
China | Nanchang Center for Disease prevention and Control | Nanchang | Jiangxi |
Lead Sponsor | Collaborator |
---|---|
Sinovac Biotech Co., Ltd |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | concentration of antibody to hepatitis A virus | Anti-HAV antibody geometric mean concentrations pre-vaccination, and at month 1, and 12, 24 and 36, and 1 months (month 37) after the booster vaccination. | 37 months | No |
Secondary | reported side effects and adverse events | After each dose, solicited injection-site and general adverse events (AEs) were recorded for 7 days and unsolicited AEs were recorded for 28 days. | 37 months | Yes |
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