Hepatitis B Vaccine
Conditions
Keywords
Hepatitis B, Vaccine, Immunogenicity, methadone maintenance treatment, Randomized Controlled Trial
Brief summary
This is a randomized, controlled trial. The study will evaluate the immunogenicity, immune persistence, and safety of 20 µg and 60 µg recombinant hepatitis B vaccine with three injections at months 0, 1, and 6 in methadone maintenance treatment patients.
Detailed description
Comparison of 2 vaccination strategy against Hepatitis B in patients with Methadone Maintenance Treatment Intervention: Arm 1 : 60 µg recombinant hepatitis B vaccine with three injections at months 0, 1, and 6; Arm 2 : 20 µg recombinant hepatitis B vaccine with three injections at months 0, 1, and 6.
Interventions
three-dose, 60 µg per dose
three-dose, 20 µg per dose
Sponsors
Study design
Eligibility
Inclusion criteria
* Aged between 18 and 70 years at the enrolment * Serologically negative for hepatitis B surface antigen (HBsAg) and hepatitis B surface antibody (anti-HBs) at enrollment * Willing to adhere to the study protocol
Exclusion criteria
* Being pregnant * Intolerance or allergy to any component of the vaccine * Any vaccination during the month preceding enrollment * Ongoing opportunistic infection * Liver disease * Hematological disorder * Cancer * Unexplained fever the week before enrollment
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Number and Rate of Participants With Anti-HBs Seroconversion at Month 7 | Month 7 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Occurrence of Adverse Events After Vaccination | Within 7 days after the vaccination, at Month 0, 1, and 6 | Occurrence of adverse reactions within 7 days after vaccination with the hepatitis B vaccine |
| Number and Rate of Participants With Anti-HBs Seroconversion at Month 18 | Month 18 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml |
| Anti-HBs Concentration at Month 30 | Month 30 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) |
| Number and Rate of Participants With Anti-HBs Seroconversion at Month 30 | Month 30 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml |
| Anti-HBs Concentration at Month 42 | Month 42 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) |
| Number and Rate of Participants With Anti-HBs Seroconversion at Month 42 | Month 42 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml |
| Anti-HBs Concentration at Month 7 | Month 7 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) |
| Anti-HBs Concentration at Month 12 | Month 12 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) |
| Number and Rate of Participants With Anti-HBs Seroconversion at Month 12 | Month 12 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml |
| Anti-HBs Concentration at Month 18 | Month 18 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) |
Other
| Measure | Time frame | Description |
|---|---|---|
| Number and Rate of Participants With Anti-HBs High-level Response at Month 18 | Month 18 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/mL were high-level response. |
| Number and Rate of Participants With Anti-HBs High-level Response at Month 30 | Month 30 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/mL were high-level response. |
| Number and Rate of Participants With Anti-HBs High-level Response at Month 42 | Month 42 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/mL were high-level response. |
| Number and Rate of Participants With Anti-HBs High-level Response at Month 12 | Month 12 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/mL were high-level response. |
| Number and Rate of Participants With Anti-HBs High-level Response at Month 7 | Month 7 | The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/ml were high-level response. |
Participant flow
Participants by arm
| Arm | Count |
|---|---|
| IM 20μg Group Participants received 3 intramuscular injections of 20 μg recombinant hepatitis B vaccine at months 0, 1 and 6. | 98 |
| IM 60μg Group Participants received 3 intramuscular injections of 60 μg recombinant hepatitis B vaccine at months 0, 1 and 6. | 98 |
| Total | 196 |
Baseline characteristics
| Characteristic | Total | IM 20μg Group | IM 60μg Group |
|---|---|---|---|
| Age, Continuous | 43.2 years STANDARD_DEVIATION 7.5 | 42.5 years STANDARD_DEVIATION 7.5 | 44.0 years STANDARD_DEVIATION 7.5 |
| Race/Ethnicity, Customized Han ethnicity | 159 Participants | 76 Participants | 83 Participants |
| Race/Ethnicity, Customized minority ethnicity | 37 Participants | 22 Participants | 15 Participants |
| Region of Enrollment China Rural | 39 Participants | 22 Participants | 17 Participants |
| Region of Enrollment China Urban | 157 Participants | 76 Participants | 81 Participants |
| Sex: Female, Male Female | 41 Participants | 23 Participants | 18 Participants |
| Sex: Female, Male Male | 155 Participants | 75 Participants | 80 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk |
|---|---|---|
| deaths Total, all-cause mortality | 0 / 98 | 0 / 97 |
| other Total, other adverse events | 7 / 98 | 8 / 97 |
| serious Total, serious adverse events | 0 / 98 | 0 / 97 |
Outcome results
Number and Rate of Participants With Anti-HBs Seroconversion at Month 7
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml.
Time frame: Month 7
Population: 73 and 71 patients in the IM20 and IM60 groups completed the followed-up at months 7.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 7 | 59 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 7 | 62 Participants |
Anti-HBs Concentration at Month 12
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay )
Time frame: Month 12
Population: 60 and 61 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (MEAN) |
|---|---|---|
| IM 20μg Group | Anti-HBs Concentration at Month 12 | 125.9 mIU/mL |
| IM 60μg Group | Anti-HBs Concentration at Month 12 | 182.2 mIU/mL |
Anti-HBs Concentration at Month 18
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay )
Time frame: Month 18
Population: 47 and 43 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (MEAN) |
|---|---|---|
| IM 20μg Group | Anti-HBs Concentration at Month 18 | 382.2 mIU/mL |
| IM 60μg Group | Anti-HBs Concentration at Month 18 | 490.5 mIU/mL |
Anti-HBs Concentration at Month 30
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay )
Time frame: Month 30
Population: 46 and 42 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (MEAN) |
|---|---|---|
| IM 20μg Group | Anti-HBs Concentration at Month 30 | 239.9 mIU/mL |
| IM 60μg Group | Anti-HBs Concentration at Month 30 | 306.4 mIU/mL |
Anti-HBs Concentration at Month 42
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay )
Time frame: Month 42
Population: 45 and 40 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (MEAN) |
|---|---|---|
| IM 20μg Group | Anti-HBs Concentration at Month 42 | 88.6 mIU/mL |
| IM 60μg Group | Anti-HBs Concentration at Month 42 | 97.7 mIU/mL |
Anti-HBs Concentration at Month 7
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay )
Time frame: Month 7
Population: 73 and 71 patients in the IM20 and IM60 groups completed the followed-up at months 7 .
| Arm | Measure | Value (MEAN) |
|---|---|---|
| IM 20μg Group | Anti-HBs Concentration at Month 7 | 630.4 mIU/mL |
| IM 60μg Group | Anti-HBs Concentration at Month 7 | 742.9 mIU/mL |
Number and Rate of Participants With Anti-HBs Seroconversion at Month 12
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml
Time frame: Month 12
Population: 60 and 61 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 12 | 41 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 12 | 43 Participants |
Number and Rate of Participants With Anti-HBs Seroconversion at Month 18
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml
Time frame: Month 18
Population: 47 and 43 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 18 | 29 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 18 | 29 Participants |
Number and Rate of Participants With Anti-HBs Seroconversion at Month 30
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml
Time frame: Month 30
Population: 46 and 42 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 30 | 20 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 30 | 25 Participants |
Number and Rate of Participants With Anti-HBs Seroconversion at Month 42
The measurements of anti-HBs antibodies were determined quantitatively by CMIA( Chemiluminescent Microparticle Immunoassay ) . The accepted protective serum anti-HBs level was ≥10 mIU/ml
Time frame: Month 42
Population: 45 and 40 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 42 | 14 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs Seroconversion at Month 42 | 20 Participants |
Occurrence of Adverse Events After Vaccination
Occurrence of adverse reactions within 28 days after vaccination with the hepatitis B vaccine
Time frame: Within 28 days after the vaccination, at Month 0, 1, and 6
Population: 196 patients were enrolled and randomized,195 patients received the first dose, 1 patients declined in IM60 group.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Occurrence of Adverse Events After Vaccination | 2 Participants |
| IM 60μg Group | Occurrence of Adverse Events After Vaccination | 3 Participants |
Occurrence of Adverse Events After Vaccination
Occurrence of adverse reactions within 7 days after vaccination with the hepatitis B vaccine
Time frame: Within 7 days after the vaccination, at Month 0, 1, and 6
Population: 196 patients were enrolled and randomized,195 patients received the first dose, 1 patients declined in IM60 group.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Occurrence of Adverse Events After Vaccination | 7 Participants |
| IM 60μg Group | Occurrence of Adverse Events After Vaccination | 8 Participants |
Number and Rate of Participants With Anti-HBs High-level Response at Month 12
The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/mL were high-level response.
Time frame: Month 12
Population: 60 and 61 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 12 | 13 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 12 | 20 Participants |
Number and Rate of Participants With Anti-HBs High-level Response at Month 18
The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/mL were high-level response.
Time frame: Month 18
Population: 47 and 43 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 18 | 9 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 18 | 14 Participants |
Number and Rate of Participants With Anti-HBs High-level Response at Month 30
The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/mL were high-level response.
Time frame: Month 30
Population: 46 and 42 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 30 | 6 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 30 | 11 Participants |
Number and Rate of Participants With Anti-HBs High-level Response at Month 42
The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/mL were high-level response.
Time frame: Month 42
Population: 45 and 40 patients in the IM20 and IM60 groups completed the followed-up at months 12.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 42 | 4 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 42 | 8 Participants |
Number and Rate of Participants With Anti-HBs High-level Response at Month 7
The measurements of anti-HBs antibodies were determined quantitatively by CMIA. and anti-HBs concentrations ≥100 mIU/ml were high-level response.
Time frame: Month 7
Population: 73 and 71 patients in the IM20 and IM60 groups completed the followed-up at months 7.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| IM 20μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 7 | 31 Participants |
| IM 60μg Group | Number and Rate of Participants With Anti-HBs High-level Response at Month 7 | 40 Participants |