Trial Outcomes & Findings for Follow-up Study 16-20 Years After Primary Vaccination Against Hepatitis B of Newborns From HBeAg+ & HBsAg+ Mothers (NCT NCT00240500)

NCT ID: NCT00240500

Last Updated: 2016-12-21

Results Overview

During this follow-up study, it was planned to collect data from Year 16 through to Year 20 after primary vaccination. By the time the study protocol was approved, it was too late to collect data on Year 16. Therefore, the table presents mean concentrations expressed in milli-international units/milliliter (mIU/mL) at years 17, 18, 19 and 20.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

109 participants

Primary outcome timeframe

Years 17, 18, 19 and 20.

Results posted on

2016-12-21

Participant Flow

Participant milestones

Participant milestones
Measure
HBV 5 Group
neonates born to Hepatitis B surface antigen negative (HBsAg-) and Hepatitis B e antigen negative (HBeAg-) mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 2 Group
neonates born to Hepatitis B surface antigen positive (HBsAg+) and Hepatitis B e antigen positive (HBeAg+) mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 1 Group
neonates born to HBsAg+ and HBeAg+ mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 4 Group
neonates born to HBsAg+ and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 3 Group
neonates born to HBsAg+ and HBeAg- mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 6 Group
neonates born to HBsAg- and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
Overall Study
STARTED
17
20
17
23
29
3
Overall Study
COMPLETED
16
17
14
19
26
2
Overall Study
NOT COMPLETED
1
3
3
4
3
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Follow-up Study 16-20 Years After Primary Vaccination Against Hepatitis B of Newborns From HBeAg+ & HBsAg+ Mothers

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
HBV 5 Group
n=17 Participants
neonates born to Hepatitis B surface antigen negative (HBsAg-) and Hepatitis B e antigen negative (HBeAg-) mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 2 Group
n=20 Participants
neonates born to Hepatitis B surface antigen positive (HBsAg+) and Hepatitis B e antigen positive (HBeAg+) mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 1 Group
n=17 Participants
neonates born to HBsAg+ and HBeAg+ mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 4 Group
n=23 Participants
neonates born to HBsAg+ and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 3 Group
n=29 Participants
neonates born to HBsAg+ and HBeAg- mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 6 Group
n=3 Participants
neonates born to HBsAg- and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
Total
n=109 Participants
Total of all reporting groups
Age, Continuous
16.5 years
STANDARD_DEVIATION 0.51 • n=5 Participants
16.6 years
STANDARD_DEVIATION 0.5 • n=7 Participants
16.5 years
STANDARD_DEVIATION 0.51 • n=5 Participants
16.4 years
STANDARD_DEVIATION 0.51 • n=4 Participants
16.8 years
STANDARD_DEVIATION 0.44 • n=21 Participants
16.7 years
STANDARD_DEVIATION 0.58 • n=8 Participants
16.6 years
STANDARD_DEVIATION 0.50 • n=8 Participants
Gender
Female
7 Participants
n=5 Participants
9 Participants
n=7 Participants
11 Participants
n=5 Participants
7 Participants
n=4 Participants
18 Participants
n=21 Participants
1 Participants
n=8 Participants
53 Participants
n=8 Participants
Gender
Male
10 Participants
n=5 Participants
11 Participants
n=7 Participants
6 Participants
n=5 Participants
16 Participants
n=4 Participants
11 Participants
n=21 Participants
2 Participants
n=8 Participants
56 Participants
n=8 Participants

PRIMARY outcome

Timeframe: Years 17, 18, 19 and 20.

During this follow-up study, it was planned to collect data from Year 16 through to Year 20 after primary vaccination. By the time the study protocol was approved, it was too late to collect data on Year 16. Therefore, the table presents mean concentrations expressed in milli-international units/milliliter (mIU/mL) at years 17, 18, 19 and 20.

Outcome measures

Outcome measures
Measure
HBV 5 Group
n=17 Participants
neonates born to Hepatitis B surface antigen negative (HBsAg-) and Hepatitis B e antigen negative (HBeAg-) mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 2 Group
n=20 Participants
neonates born to Hepatitis B surface antigen positive (HBsAg+) and Hepatitis B e antigen positive (HBeAg+) mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 1 Group
n=17 Participants
neonates born to HBsAg+ and HBeAg+ mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 4 Group
n=23 Participants
neonates born to HBsAg+ and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 3 Group
n=29 Participants
neonates born to HBsAg+ and HBeAg- mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 6 Group
n=3 Participants
neonates born to HBsAg- and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations
Year 17
87.6 mIU/mL
Interval 27.6 to 278.2
43.8 mIU/mL
Interval 22.0 to 87.4
143.4 mIU/mL
Interval 39.2 to 523.9
34.4 mIU/mL
Interval 12.3 to 95.8
90.9 mIU/mL
Interval 45.8 to 180.3
10.6 mIU/mL
Interval 0.4 to 251.0
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations
Year 18
96.2 mIU/mL
Interval 37.8 to 244.8
63.9 mIU/mL
Interval 32.2 to 126.6
121.6 mIU/mL
Interval 31.8 to 465.0
33.1 mIU/mL
Interval 15.2 to 72.2
89.1 mIU/mL
Interval 43.8 to 181.3
19.2 mIU/mL
Interval 0.0 to 2615400000.0
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations
Year 19
37.4 mIU/mL
Interval 14.8 to 94.4
34.5 mIU/mL
Interval 20.6 to 57.7
108.1 mIU/mL
Interval 30.6 to 382.8
22.5 mIU/mL
Interval 11.7 to 43.6
62.1 mIU/mL
Interval 30.7 to 125.6
26.9 mIU/mL
Interval 2.0 to 363.6
Anti-hepatitis B Surface Antigen (Anti-HBs) Antibody Concentrations
Year 20
46.4 mIU/mL
Interval 19.6 to 109.8
25.8 mIU/mL
Interval 14.4 to 46.3
101.8 mIU/mL
Interval 28.7 to 361.7
20.3 mIU/mL
Interval 10.2 to 40.6
55.5 mIU/mL
Interval 30.1 to 102.1
12.8 mIU/mL
Interval 0.0 to 7642461.0

PRIMARY outcome

Timeframe: Years 17, 18, 19 and 20.

It was initially planned to collect data from Year 16 through to Year 20 after primary vaccination. By the time the study protocol was approved, it was too late to collect data on Year 16. Only the subjects positive for HBsAg or anti Hepatitis B core antigen (anti-HBc) were tested for HBeAg \& anti-HBe

Outcome measures

Outcome measures
Measure
HBV 5 Group
n=17 Participants
neonates born to Hepatitis B surface antigen negative (HBsAg-) and Hepatitis B e antigen negative (HBeAg-) mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 2 Group
n=20 Participants
neonates born to Hepatitis B surface antigen positive (HBsAg+) and Hepatitis B e antigen positive (HBeAg+) mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 1 Group
n=17 Participants
neonates born to HBsAg+ and HBeAg+ mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 4 Group
n=23 Participants
neonates born to HBsAg+ and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 3 Group
n=29 Participants
neonates born to HBsAg+ and HBeAg- mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 6 Group
n=3 Participants
neonates born to HBsAg- and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
Prevalence of Serological Markers for Hepatitis B Infection
Year 19, HBsAg Positive
7.1 Percentage of participants (%)
5.9 Percentage of participants (%)
0 Percentage of participants (%)
15 Percentage of participants (%)
17.9 Percentage of participants (%)
25 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 19, Anti HBc Negative
100 Percentage of participants (%)
76.5 Percentage of participants (%)
78.6 Percentage of participants (%)
95 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 19, Anti HBc Positive
0 Percentage of participants (%)
23.5 Percentage of participants (%)
21.4 Percentage of participants (%)
5 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 17, HBsAg Negative
100 Percentage of participants (%)
93.7 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
96.3 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 17, HBsAg Positive
0 Percentage of participants (%)
6.3 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
3.7 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 17, Anti HBc Negative
100 Percentage of participants (%)
68.7 Percentage of participants (%)
78.6 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 17, Anti HBc Positive
0 Percentage of participants (%)
31.3 Percentage of participants (%)
21.4 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 17, HBeAg Negative
0 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 17, HBeAg Positive
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 17, Anti HBeAg Negative
0 Percentage of participants (%)
80 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 17, Anti HBeAg Positive
0 Percentage of participants (%)
20 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 18, HBsAg Negative
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
96.4 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 18, HBsAg Positive
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
3.6 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 18, Anti HBc Negative
94.1 Percentage of participants (%)
75 Percentage of participants (%)
71.4 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 18, Anti HBc Positive
5.9 Percentage of participants (%)
25 Percentage of participants (%)
28.6 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 18, HBeAg Negative
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 18, HBeAg Positive
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 18, Anti HBeAg Negative
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 18, Anti HBeAg Positive
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 19, HBsAg Negative
92.9 Percentage of participants (%)
94.1 Percentage of participants (%)
100 Percentage of participants (%)
85 Percentage of participants (%)
82.1 Percentage of participants (%)
75 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 19, HBeAg Negative
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
80 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 19, HBeAg Positive
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
20 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 19, Anti HBeAg Negative
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 19, Anti HBeAg Positive
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 20, HBsAg Negative
100 Percentage of participants (%)
76.5 Percentage of participants (%)
92.9 Percentage of participants (%)
78.9 Percentage of participants (%)
84.6 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 20, HBsAg Positive
0 Percentage of participants (%)
23.5 Percentage of participants (%)
7.1 Percentage of participants (%)
21.1 Percentage of participants (%)
15.4 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 20, Anti HBc Negative
93.7 Percentage of participants (%)
76.5 Percentage of participants (%)
78.6 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 20, Anti HBc Positive
6.3 Percentage of participants (%)
23.5 Percentage of participants (%)
21.4 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 20, HBeAg Negative
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 20, HBeAg Positive
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 20, Anti HBeAg Negative
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
100 Percentage of participants (%)
0 Percentage of participants (%)
Prevalence of Serological Markers for Hepatitis B Infection
Year 20, Anti HBeAg Positive
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)
0 Percentage of participants (%)

PRIMARY outcome

Timeframe: Over the entire 4 year follow up period (17 - 20 years)

Chronic hepatitis B (HB) carrier is defined as positive for anti-HBc AND HBsAg at two or more consecutive time points

Outcome measures

Outcome measures
Measure
HBV 5 Group
n=17 Participants
neonates born to Hepatitis B surface antigen negative (HBsAg-) and Hepatitis B e antigen negative (HBeAg-) mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 2 Group
n=20 Participants
neonates born to Hepatitis B surface antigen positive (HBsAg+) and Hepatitis B e antigen positive (HBeAg+) mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 1 Group
n=17 Participants
neonates born to HBsAg+ and HBeAg+ mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 4 Group
n=23 Participants
neonates born to HBsAg+ and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
HBV 3 Group
n=29 Participants
neonates born to HBsAg+ and HBeAg- mothers who received a 5-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12 and again a booster dose at Month 60)
HBV 6 Group
n=3 Participants
neonates born to HBsAg- and HBeAg- mothers who received a 4-dose vaccination regimen (0, 1 and 2-month schedule with a booster dose at Month 12)
Clinical Review for Hepatitis B Infection Status
Chronic HB carriers
0 participants
1 participants
1 participants
0 participants
0 participants
0 participants
Clinical Review for Hepatitis B Infection Status
Chronic HB carriers among primary study responders
0 participants
0 participants
0 participants
0 participants
0 participants
0 participants

Adverse Events

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