Trial Outcomes & Findings for LT F-up Study 16-20 Yrs After Vaccine Dose of Hepatitis B With/Without HBIg in Newborns to HBeAg+ Mothers (NCT NCT00240526)

NCT ID: NCT00240526

Last Updated: 2016-12-07

Results Overview

Concentrations given as GMC expressed as milli-international unit per millilitre (mIU/mL). Note: At Year 15 and 16, a commercial ELISA was used. From Year 17 to Year 20, anti-HBs antibody concentrations were tested with a validated in-house assay with cut-off 3.3mIU/mL.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

79 participants

Primary outcome timeframe

At Years 15, 16, 17, 18, 19 and 20

Results posted on

2016-12-07

Participant Flow

The baseline characteristics are given for the Year 15 time point. Therefore the number of participants in the Engerix-3D Group is 21, as in the Year 15 participant flow data.

Participant milestones

Participant milestones
Measure
Engerix 4D + HBIg Group
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 3D + HBIg Group
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 4D
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60.
Engerix 3D Group
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6
Year 15
STARTED
19
19
14
21
Year 15
COMPLETED
19
19
14
21
Year 15
NOT COMPLETED
0
0
0
0
Year 16
STARTED
17
19
16
22
Year 16
COMPLETED
17
19
16
22
Year 16
NOT COMPLETED
0
0
0
0
Year 17
STARTED
19
17
13
20
Year 17
COMPLETED
19
17
13
20
Year 17
NOT COMPLETED
0
0
0
0
Year 18
STARTED
16
17
14
20
Year 18
COMPLETED
16
17
14
20
Year 18
NOT COMPLETED
0
0
0
0
Year 19
STARTED
17
16
12
18
Year 19
COMPLETED
17
16
12
18
Year 19
NOT COMPLETED
0
0
0
0
Year 20
STARTED
19
17
13
20
Year 20
COMPLETED
19
17
13
20
Year 20
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

LT F-up Study 16-20 Yrs After Vaccine Dose of Hepatitis B With/Without HBIg in Newborns to HBeAg+ Mothers

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Engerix 4D + HBIg Group
n=19 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 3D + HBIg Group
n=19 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 4D
n=14 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60.
Engerix 3D Group
n=21 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6
Total
n=73 Participants
Total of all reporting groups
Age, Continuous
14.5 years
STANDARD_DEVIATION 0.51 • n=5 Participants
14.7 years
STANDARD_DEVIATION 0.45 • n=7 Participants
14.6 years
STANDARD_DEVIATION 0.50 • n=5 Participants
14.5 years
STANDARD_DEVIATION 0.51 • n=4 Participants
14.6 years
STANDARD_DEVIATION 0.49 • n=21 Participants
Sex: Female, Male
Female
12 Participants
n=5 Participants
7 Participants
n=7 Participants
6 Participants
n=5 Participants
10 Participants
n=4 Participants
35 Participants
n=21 Participants
Sex: Female, Male
Male
7 Participants
n=5 Participants
12 Participants
n=7 Participants
8 Participants
n=5 Participants
11 Participants
n=4 Participants
38 Participants
n=21 Participants

PRIMARY outcome

Timeframe: At Years 15, 16, 17, 18, 19 and 20

Population: Analysis was performed on subjects from the Long Term According-to-Protocol (LT ATP) cohort for immunogenicity on subjects with available data at the specified time-points

Concentrations given as GMC expressed as milli-international unit per millilitre (mIU/mL). Note: At Year 15 and 16, a commercial ELISA was used. From Year 17 to Year 20, anti-HBs antibody concentrations were tested with a validated in-house assay with cut-off 3.3mIU/mL.

Outcome measures

Outcome measures
Measure
Engerix 4D + HBIg Group
n=17 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 3D + HBIg Group
n=15 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 4D
n=12 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60.
Engerix 3D Group
n=17 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentration as Measured by Enzyme-Linked Immunosorbent Assay (ELISA).
Year 15 (N=17;15;12;17)
118.6 mIU/mL
Interval 53.4 to 263.1
14.8 mIU/mL
Interval 6.8 to 32.0
142.8 mIU/mL
Interval 30.4 to 669.4
24.2 mIU/mL
Interval 10.0 to 58.7
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentration as Measured by Enzyme-Linked Immunosorbent Assay (ELISA).
Year 16 (N=15;13;12;16)
119.3 mIU/mL
Interval 50.0 to 284.7
14.1 mIU/mL
Interval 6.8 to 29.4
134.3 mIU/mL
Interval 30.1 to 599.8
22.9 mIU/mL
Interval 9.7 to 54.1
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentration as Measured by Enzyme-Linked Immunosorbent Assay (ELISA).
Year 17 (N=17;13;11;13)
140.0 mIU/mL
Interval 67.2 to 291.9
8.2 mIU/mL
Interval 3.9 to 17.1
70.2 mIU/mL
Interval 14.3 to 344.1
17.0 mIU/mL
Interval 6.7 to 43.3
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentration as Measured by Enzyme-Linked Immunosorbent Assay (ELISA).
Year 18 (N=14;14;10;13)
82.3 mIU/mL
Interval 32.1 to 211.3
10.8 mIU/mL
Interval 6.5 to 17.9
56.5 mIU/mL
Interval 11.7 to 271.8
26.1 mIU/mL
Interval 10.7 to 63.3
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentration as Measured by Enzyme-Linked Immunosorbent Assay (ELISA).
Year 19 (N=13;12;8;11)
103.3 mIU/mL
Interval 38.9 to 274.7
9.5 mIU/mL
Interval 4.0 to 22.8
84.9 mIU/mL
Interval 12.0 to 600.2
19.9 mIU/mL
Interval 7.4 to 53.7
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentration as Measured by Enzyme-Linked Immunosorbent Assay (ELISA).
Year 20 (N=13;13;6;12)
73.9 mIU/mL
Interval 26.6 to 205.4
14.3 mIU/mL
Interval 6.7 to 30.6
297.1 mIU/mL
Interval 46.0 to 1919.5
16.3 mIU/mL
Interval 7.2 to 36.9

PRIMARY outcome

Timeframe: At Years 19 and 20

Population: Analysis was performed on subjects from the Long Term According-to-Protocol (LT ATP) cohort for immunogenicity on subjects with available data at the specified time-points

Concentrations given as GMC expressed as milli-international unit per millilitre (mIU/mL). Note: There was a change of assay kit at Year 19 time-point, thus for the sake of bridging, blood samples corresponding to Year 19 were re-tested with new CLIA. At Year 19 and 20, anti-HBs antibody concentrations tested with the CLIA with cut-off 6.2 mIU/mL.

Outcome measures

Outcome measures
Measure
Engerix 4D + HBIg Group
n=16 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 3D + HBIg Group
n=13 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 4D
n=7 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60.
Engerix 3D Group
n=13 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentration as Measured by ChemiLuminescence ImmunoAssay (CLIA).
YEAR 19 (N=14;12;6;11)
60.1 mIU/mL
Interval 26.7 to 135.5
5.8 mIU/mL
Interval 3.3 to 10.0
159.0 mIU/mL
Interval 32.6 to 776.5
11.7 mIU/mL
Interval 5.0 to 27.4
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentration as Measured by ChemiLuminescence ImmunoAssay (CLIA).
YEAR 20 (N=16;13;7;13)
44.0 mIU/mL
Interval 18.3 to 105.9
5.1 mIU/mL
Interval 3.1 to 8.6
83.5 mIU/mL
Interval 16.2 to 431.7
9.5 mIU/mL
Interval 4.3 to 21.2

PRIMARY outcome

Timeframe: At Years 15, 16, 17, 18, 19 and 20

Population: Analysis was performed on subjects from the Long Term According-to-Protocol (LT ATP) cohort for immunogenicity on subjects with available data at the specified time-points

Anti-hepatitis B surface antigen (anti-HBs) antibody cut-off values assessed include 1.0 and 10 mIU/mL.

Outcome measures

Outcome measures
Measure
Engerix 4D + HBIg Group
n=17 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 3D + HBIg Group
n=15 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 4D
n=12 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60.
Engerix 3D Group
n=17 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 19 (≥ 10 mIU/mL) (N=14;12;8;11)
12 subjects
3 subjects
6 subjects
6 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 15 (≥ 1.0 mIU/mL) (N=17;15;12;17)
17 subjects
7 subjects
10 subjects
11 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 15 (≥ 10 mIU/mL) (N=17;15;12;17)
16 subjects
4 subjects
9 subjects
7 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 16 (≥ 1.0 mIU/mL) (N=15;13;12;16)
15 subjects
9 subjects
12 subjects
11 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 16 (≥ 10 mIU/mL) (N=15;13;12;16)
14 subjects
6 subjects
10 subjects
8 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 17 (≥ 1.0 mIU/mL) (N=17;13;11;13)
15 subjects
7 subjects
11 subjects
10 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 17 (≥ 10 mIU/mL) (N=17;13;11;13)
15 subjects
2 subjects
9 subjects
5 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 18 (≥ 1.0 mIU/mL) (N=14;14;10;13)
14 subjects
7 subjects
10 subjects
8 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 18 (≥ 10 mIU/mL) (N=14;14;10;13)
13 subjects
3 subjects
7 subjects
7 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 19 (≥ 1.0 mIU/mL) (N=14;12;8;11)
13 subjects
7 subjects
8 subjects
8 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 20 (≥ 1.0 mIU/mL) (N=13;13;6;12)
13 subjects
9 subjects
5 subjects
10 subjects
Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values Enzyme-Linked Immunosorbent Assay (ELISA).
Year 20 (≥ 10 mIU/mL) (N=13;13;6;12)
11 subjects
5 subjects
5 subjects
6 subjects

PRIMARY outcome

Timeframe: At Years 19 and 20

Population: Analysis was performed on subjects from the Long Term According-to-Protocol (LT ATP) cohort for immunogenicity on subjects with available data at the specified time-points

Anti-hepatitis B surface antigen (anti-HBs) antibody cut-off values assessed include 1.0 and 10 mIU/mL. Note: Missing CLIA anti-HBs concentrations, for subjects with ELISA results available, are estimated by multiple imputations and GMCs and number of subjects were adjusted for these imputations.

Outcome measures

Outcome measures
Measure
Engerix 4D + HBIg Group
n=16 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 3D + HBIg Group
n=13 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 4D
n=7 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60.
Engerix 3D Group
n=13 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6
Adjusted Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values as Measured by ChemiLuminescence ImmunoAssay (CLIA)
Year 19 (≥ 1.0 mIU/mL) (N=14;12;6;11)
13.0 Subjects
4.2 Subjects
6.0 Subjects
7.0 Subjects
Adjusted Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values as Measured by ChemiLuminescence ImmunoAssay (CLIA)
Year 19 (≥ 10 mIU/mL) (N=14;12;6;11)
12.0 Subjects
3.9 Subjects
5.0 Subjects
4.0 Subjects
Adjusted Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values as Measured by ChemiLuminescence ImmunoAssay (CLIA)
Year 20 (≥ 1.0 mIU/mL) (N=16;13;7;13)
13.1 Subjects
5.4 Subjects
6.0 Subjects
6.3 Subjects
Adjusted Number of Subjects With Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations Above Pre-defined Cut-off Values as Measured by ChemiLuminescence ImmunoAssay (CLIA)
Year 20 (≥ 10 mIU/mL) (N=16;13;7;13)
12.2 Subjects
2.1 Subjects
5.0 Subjects
5.8 Subjects

PRIMARY outcome

Timeframe: At Years 15, 16, 17, 18, 19 and 20

Population: Analysis was performed on the Long Term Total Cohort (LT total cohort) on subjects with available data for the specified marker.

Serological markers for hepatitis B infection assessed are hepatitis B surface antigen (HBsAg), antibodies to hepatitis B core antigen (anti-HBc), hepatitis B e antigen (HBeAg) and antibodies to hepatitis B e antigen (anti-HBe).

Outcome measures

Outcome measures
Measure
Engerix 4D + HBIg Group
n=19 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 3D + HBIg Group
n=19 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 4D
n=16 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60.
Engerix 3D Group
n=22 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 20 HBsAg (N=19;17;12;20)
6 subjects
5 subjects
4 subjects
12 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 19 HBsAg (N=17;16;12;18)
4 subjects
3 subjects
3 subjects
5 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 19 Anti-HBc (N=17;16;12;18)
4 subjects
5 subjects
2 subjects
9 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 19 HBeAg (N=8;7;5;10)
0 subjects
0 subjects
0 subjects
2 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 19 Anti-HBe (N=8;7;5;10)
1 subjects
1 subjects
0 subjects
3 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 15 HBsAg (N=19;19;14;21)
0 subjects
1 subjects
0 subjects
3 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 15 Anti-HBc (N=19;19;14;21)
4 subjects
7 subjects
1 subjects
9 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 15 HBeAg (N=4;7;1;8)
0 subjects
1 subjects
0 subjects
1 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 15 Anti-HBe (N=4;7;1;8)
1 subjects
1 subjects
0 subjects
3 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 16 HBsAg (N=16;17;16;22)
2 subjects
0 subjects
2 subjects
5 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 16 Anti-HBc (N=16;17;16;22)
4 subjects
5 subjects
1 subjects
9 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 16 HBeAg (N=6;5;3;11)
1 subjects
1 subjects
0 subjects
3 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 16 Anti-HBe (N=6;5;3;11)
0 subjects
1 subjects
0 subjects
2 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 17 HBsAg (N=19;17;13;19)
6 subjects
0 subjects
3 subjects
6 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 17 Anti-HBc (N=19;17;13;20)
5 subjects
5 subjects
1 subjects
8 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 17 HBeAg (N=9;5;4;10)
0 subjects
0 subjects
0 subjects
1 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 17 Anti-HBe (N=9;5;4;10)
1 subjects
0 subjects
0 subjects
3 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 18 HBsAg (N=16;17;14;20)
3 subjects
1 subjects
3 subjects
5 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 18 Anti-HBc (N=16;17;14;20)
5 subjects
6 subjects
1 subjects
8 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 18 HBeAg (N=8;7;4;10)
0 subjects
0 subjects
0 subjects
1 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 18 Anti-HBe (N=8;7;4;10)
1 subjects
1 subjects
0 subjects
2 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 20 Anti-HBc (N=19;17;12;20)
5 subjects
7 subjects
2 subjects
8 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 20 HBeAg (N=8;7;6;14)
1 subjects
0 subjects
0 subjects
1 subjects
Number of Subjects With Positive Results for Serological Markers for Hepatitis B Infection
Year 20 Anti-HBe (N=10;9;6;15)
1 subjects
0 subjects
0 subjects
3 subjects

PRIMARY outcome

Timeframe: Over the entire follow up period (Final assessment of clinical significance was analyzed after the Year 20 time point)

Population: Analysis was performed on the Long Term Total Cohort (LT total cohort). The maximum amount of subjects who have participated in any of the time points in this study has been given as number of participants analyzed.

Categories hepatitis B (HB) infection: 1. Chronic infection: HBsAg and anti-HBc pos (pos) in more than two consecutive samples 2. False positive: single HB marker (HBsAg, HBeAg, anti-HBc) pos + all other markers negative (neg) in one sample. Consecutive time points all neg. 3. Possible subclinical breakthrough infection: One or more HB markers pos in one or more consecutive samples. 4. Isolated natural booster: \>4-fold increase of anti-HBs concentrations if \<100 mIU/mL at previous sample OR \>2- fold increase of anti-HBs concentrations if \>=100 mIU/mL at previous sample + other markers neg

Outcome measures

Outcome measures
Measure
Engerix 4D + HBIg Group
n=19 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 3D + HBIg Group
n=19 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6 with hepatitis B immunoglobulins (HBIg) administered concomitantly at birth in the opposite arm.
Engerix 4D
n=16 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, 6 and 60.
Engerix 3D Group
n=22 Participants
Subjects received Engerix™ (hepatitis B vaccine \[HBV\]) at Month 0, 1, and 6
Number of Subjects With Different Hepatitis B Infection Statuses
Chronic HB infection
0 subjects
0 subjects
0 subjects
4 subjects
Number of Subjects With Different Hepatitis B Infection Statuses
False positive
5 subjects
5 subjects
9 subjects
10 subjects
Number of Subjects With Different Hepatitis B Infection Statuses
Possible subclinical breakthrough HB infection
9 subjects
12 subjects
4 subjects
10 subjects
Number of Subjects With Different Hepatitis B Infection Statuses
Isolated natural booster
8 subjects
8 subjects
9 subjects
7 subjects

Adverse Events

Engerix 4D + HBIg Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Engerix 3D + HBIg Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Engerix 4D

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Engerix 3D Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

GSK Response Center

GlaxoSmithKline

Phone: 866-435-7343

Results disclosure agreements

  • Principal investigator is a sponsor employee GSK agreements may vary with individual investigators, but will not prohibit any investigator from publishing. GSK supports the publication of results from all centers of a multi-center trial but requests that reports based on single-site data not precede the primary publication of the entire clinical trial.
  • Publication restrictions are in place

Restriction type: OTHER