- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01564134
Dose of Hepatitis B Vaccines in Non/Low-response Populations
Effect of Dose of Hepatitis B Vaccines in Non/Low-response Populations
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
A randomized clinical study will be conducted to evaluate effects of different doses of hepatitis B vaccines in low or non-response population in China. 650 low or non-response subjects after hepatitis B vaccination will be enrolled under the premise of informed consent. 200 subjects aged 1-17 years will be divided into 3 groups and 450 subjects aged 18-65years will be divided into 4 groups. Group 1/2/3 will receive 3 doses of vaccine on day 0,30 and 180, with 5ug/10ug/20ug HBs-Ag respectively. Group 4 will receive 1 dose of vaccine with 60ug HBs-Ag, low or nonresponse subjects of which will receive the second dose by an interval of at least 28 days. All vaccinations will be done by specific study personnel, who do not take part in the assessment of safety or immunogenicity. Adverse events will be recorded after vaccination and blood samples were collected at day 30 after each vaccination for antibody detection.
The clinical program approved by the ethics committee will be performed by the researchers independently. Inspectors designated by the sponsor will take meticulous on-site audits to ensure the safety specifications during the whole process of research.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Beijing
-
Xicheng District, Beijing, China, 100011
- Xicheng Centers For Disease Prevention & Control
-
-
Inner Mongolia
-
Chifeng, Inner Mongolia, China, 024000
- Chifeng Centers For Disease Prevention & Control
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- aged 1-65 years old
- male or non-pregnant female volunteers
- provide written informed consents before joining the trial
- clinically healthy as determined by: medical history inquiring and physical examination
- negative for HBsAg,HBsAb,HBcAb,HBeAg,HBeAb within the past 1 year
Exclusion Criteria:
- No history of hepatitis B vaccine
- receipt of immunoglobulin within the past 1 month
- allergic to any ingredient of vaccine
- history of serious side effects, such as allergies, hives, breathing difficulties, angioedema or abdominal pain
- severe acute and chronic diseases
- autoimmune disease or immune deficiency
- axillary temperature > 37.0 ℃ over the time of vaccination
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: HepB 5ug
receive the vaccine with 5ug HBsAg
|
hepatitis B vaccine with 5ug,10ug,20ug,60ug HBsAg
Other Names:
|
Experimental: HepB 10ug
receive the vaccine with 10ug HBsAg
|
hepatitis B vaccine with 5ug,10ug,20ug,60ug HBsAg
Other Names:
|
Experimental: HepB 20ug
receive the vaccine with 20ug HBsAg
|
hepatitis B vaccine with 5ug,10ug,20ug,60ug HBsAg
Other Names:
|
Experimental: HepB 60ug
receive the vaccine with 60ug HBsAg
|
hepatitis B vaccine with 5ug,10ug,20ug,60ug HBsAg
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Seroconversion rates of different doses of vaccines the levels of HBs-Ab after vaccination
Time Frame: day 30 after each vaccination
|
describe the levels of HBs-Ab after each vaccination and compare the percentages of adverse events in all groups
|
day 30 after each vaccination
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: jiang wu, Bachelor, Beijing Centers for Disease Control and Prevention
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- BJCDCWJ201102
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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