Trial Outcomes & Findings for A Study Evaluating IL28B Polymorphism in Patients With HBeAg-Negative Chronic Hepatitis B Treated With Pegasys (Peginterferon Alfa-2a) in Study ML18253 (NCT NCT01697501)

NCT ID: NCT01697501

Last Updated: 2017-04-10

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

88 participants

Primary outcome timeframe

EoF, as defined in the predecessor study, was at 48 weeks after the end of treatment.

Results posted on

2017-04-10

Participant Flow

Participants in the safety analysis set included 88 patients with HBeAg-negative chronic hepatitis B enrolled at 12 study centers in Italy.

Participants in the full analysis set included 86 previously enrolled in the predecessor study ML18253 (NCT01095835), during which they were treated.

Participant milestones

Participant milestones
Measure
Chronic Hepatitis B Patients
Interleukin 28B testing: Blood sampling for IL28B genotyping
Overall Study
STARTED
88
Overall Study
COMPLETED
86
Overall Study
NOT COMPLETED
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Chronic Hepatitis B Patients
Interleukin 28B testing: Blood sampling for IL28B genotyping
Overall Study
Protocol Violation
2

Baseline Characteristics

A Study Evaluating IL28B Polymorphism in Patients With HBeAg-Negative Chronic Hepatitis B Treated With Pegasys (Peginterferon Alfa-2a) in Study ML18253

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Chronic Hepatitis B Patients
n=86 Participants
Interleukin 28B testing: Blood sampling for IL28B genotyping
Age, Continuous
45.7 years
STANDARD_DEVIATION 9.6 • n=99 Participants
Sex: Female, Male
Female
21 Participants
n=99 Participants
Sex: Female, Male
Male
65 Participants
n=99 Participants

PRIMARY outcome

Timeframe: EoF, as defined in the predecessor study, was at 48 weeks after the end of treatment.

Population: Full analysis set (FAS), defined as all subjects who completed

Outcome measures

Outcome measures
Measure
"CC"
n=35 Participants
at IL28B genotype rs12979860
"TC"
n=41 Participants
at IL28B genotype rs12979860
"TT"
n=10 Participants
at IL28B genotype rs12979860
"TC+TT"
n=51 Participants
at IL28B genotype rs12979860
"Overall"
n=86 Participants
at IL28B genotype rs12979860
Percentage of Participants With Sustained Viral Response (SVR) Defined as HBV DNA ≤ 2000 IU/ml at IL28B Genotype rs12979860 at End of Follow-up (EoF)
20.0 percentage of participants
17.1 percentage of participants
20.0 percentage of participants
17.6 percentage of participants
18.6 percentage of participants

PRIMARY outcome

Timeframe: EoF

Population: FAS

Outcome measures

Outcome measures
Measure
"CC"
n=52 Participants
at IL28B genotype rs12979860
"TC"
n=31 Participants
at IL28B genotype rs12979860
"TT"
n=3 Participants
at IL28B genotype rs12979860
"TC+TT"
n=34 Participants
at IL28B genotype rs12979860
"Overall"
n=86 Participants
at IL28B genotype rs12979860
Percentage of Participants With SVR Defined as HBV DNA ≤ 2000 IU/ml at IL28B Genotype rs8099917 at EoF
23.1 percentage of participants
12.9 percentage of participants
0.0 percentage of participants
11.8 percentage of participants
18.6 percentage of participants

SECONDARY outcome

Timeframe: EoT, as defined in the predecessor study, was at Week 48 or Week 96

Population: Full analysis set (FAS), defined as all subjects who completed

Outcome measures

Outcome measures
Measure
"CC"
n=35 Participants
at IL28B genotype rs12979860
"TC"
n=41 Participants
at IL28B genotype rs12979860
"TT"
n=10 Participants
at IL28B genotype rs12979860
"TC+TT"
n=51 Participants
at IL28B genotype rs12979860
"Overall"
n=86 Participants
at IL28B genotype rs12979860
Percentage of Participants With HBV DNA ≤ 2000 IU/ml at IL28B Genotype rs12979860 at End of Treatment (EoT)
74.3 percentage of participants
65.9 percentage of participants
50.0 percentage of participants
62.7 percentage of participants
67.4 percentage of participants

SECONDARY outcome

Timeframe: EoT

Population: FAS

Outcome measures

Outcome measures
Measure
"CC"
n=52 Participants
at IL28B genotype rs12979860
"TC"
n=31 Participants
at IL28B genotype rs12979860
"TT"
n=3 Participants
at IL28B genotype rs12979860
"TC+TT"
n=34 Participants
at IL28B genotype rs12979860
"Overall"
n=86 Participants
at IL28B genotype rs12979860
Percentage of Participants With HBV DNA ≤ 2000 IU/ml at IL28B Genotype rs8099917 at EoT
75.0 percentage of participants
54.8 percentage of participants
66.7 percentage of participants
55.9 percentage of participants
67.4 percentage of participants

SECONDARY outcome

Timeframe: EoT and EoF

Population: Full analysis set (FAS), defined as all subjects who completed

Outcome measures

Outcome measures
Measure
"CC"
n=35 Participants
at IL28B genotype rs12979860
"TC"
n=41 Participants
at IL28B genotype rs12979860
"TT"
n=10 Participants
at IL28B genotype rs12979860
"TC+TT"
n=51 Participants
at IL28B genotype rs12979860
"Overall"
n=86 Participants
at IL28B genotype rs12979860
Percentage of Participants With HBsAg < 0.05 IU/ml at IL28B Genotype rs12979860 at EoT and EoF
EoT
2.9 percentage of participants
2.4 percentage of participants
0.0 percentage of participants
2.0 percentage of participants
2.3 percentage of participants
Percentage of Participants With HBsAg < 0.05 IU/ml at IL28B Genotype rs12979860 at EoT and EoF
EoF
0.0 percentage of participants
4.9 percentage of participants
0.0 percentage of participants
3.9 percentage of participants
2.3 percentage of participants

SECONDARY outcome

Timeframe: EoT and EoF

Population: FAS

Outcome measures

Outcome measures
Measure
"CC"
n=52 Participants
at IL28B genotype rs12979860
"TC"
n=31 Participants
at IL28B genotype rs12979860
"TT"
n=3 Participants
at IL28B genotype rs12979860
"TC+TT"
n=34 Participants
at IL28B genotype rs12979860
"Overall"
n=86 Participants
at IL28B genotype rs12979860
Percentage of Participants With HBsAg < 0.05 IU/ml at IL28B Genotype rs8099917 at EoT and EoF
EoT
3.8 percentage of participants
0.0 percentage of participants
0.0 percentage of participants
0.0 percentage of participants
2.3 percentage of participants
Percentage of Participants With HBsAg < 0.05 IU/ml at IL28B Genotype rs8099917 at EoT and EoF
EoF
3.8 percentage of participants
0.0 percentage of participants
0.0 percentage of participants
0.0 percentage of participants
2.3 percentage of participants

SECONDARY outcome

Timeframe: EoT and EoF

Population: Full analysis set (FAS), defined as all subjects who completed

Outcome measures

Outcome measures
Measure
"CC"
n=35 Participants
at IL28B genotype rs12979860
"TC"
n=41 Participants
at IL28B genotype rs12979860
"TT"
n=10 Participants
at IL28B genotype rs12979860
"TC+TT"
n=51 Participants
at IL28B genotype rs12979860
"Overall"
n=86 Participants
at IL28B genotype rs12979860
Percentage of Participants With HBsAg ≤ 10 IU/ml at IL28B Genotype rs12979860 at EoT and EoF
EoT
8.6 percentage of participants
7.3 percentage of participants
0.0 percentage of participants
5.9 percentage of participants
7.0 percentage of participants
Percentage of Participants With HBsAg ≤ 10 IU/ml at IL28B Genotype rs12979860 at EoT and EoF
EoF
2.9 percentage of participants
4.9 percentage of participants
0.0 percentage of participants
3.9 percentage of participants
3.5 percentage of participants

SECONDARY outcome

Timeframe: EoT and EoF

Population: FAS

Outcome measures

Outcome measures
Measure
"CC"
n=52 Participants
at IL28B genotype rs12979860
"TC"
n=31 Participants
at IL28B genotype rs12979860
"TT"
n=3 Participants
at IL28B genotype rs12979860
"TC+TT"
n=34 Participants
at IL28B genotype rs12979860
"Overall"
n=86 Participants
at IL28B genotype rs12979860
Percentage of Participants With HBsAg ≤ 10 IU/ml at IL28B Genotype rs8099917 at EoT and EoF
EoT
11.5 percentage of participants
0.0 percentage of participants
0.0 percentage of participants
0.0 percentage of participants
7.0 percentage of participants
Percentage of Participants With HBsAg ≤ 10 IU/ml at IL28B Genotype rs8099917 at EoT and EoF
EoF
5.8 percentage of participants
0.0 percentage of participants
0.0 percentage of participants
0.0 percentage of participants
3.5 percentage of participants

Adverse Events

Chronic Hepatitis B Patients

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

Medical Communications

Hoffmann-La Roche

Phone: 1-800-821-8590

Results disclosure agreements

  • Principal investigator is a sponsor employee The Study being conducted under this Agreement is part of the Overall Study. Investigator is free to publish in reputable journals or to present at professional conferences the results of the Study, but only after the first publication or presentation that involves the Overall Study. The Sponsor may request that Confidential Information be deleted and/or the publication be postponed in order to protect the Sponsor's intellectual property rights.
  • Publication restrictions are in place

Restriction type: OTHER