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Trial · NCT04781647

A Study Evaluating ABI-H0731-containing Regimens in Chinese Participants With Chronic Hepatitis B Virus Infection

NCT04781647, Phase 2, Terminated, Assembly Biosciences; results first posted 2023-10-06

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. A Study Evaluating ABI-H0731-containing Regimens in Chinese Participants With Chronic Hepatitis B Virus Infection. Trials, record NCT04781647. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04781647

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
A Study Evaluating ABI-H0731-containing Regimens in Chinese Participants With Chronic Hepatitis B Virus Infection
NCT number
NCT04781647
Status
Terminated
Phases
Phase 2
Enrollment
54 participants, actual
Lead sponsor
Assembly Biosciences
Conditions
Chronic Hepatitis B
Interventions
ABI-H0731, ETV, Peg-IFNα
First posted
2021-03-04
Last updated
2023-10-06
Results first posted
2023-10-06
Limitations and caveats
Study ABI-H0731-203 was terminated early by the study Sponsor for strategic reasons to prioritize research and development efforts on finite and curative HBV therapies. As a result, not all subjects completed Week 48 and some outcome measures were impacted.

Source ClinicalTrials.gov

Registered outcomes11

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryNumber of Participants With an Adverse EventUp to 60 weeks
PrimaryNumber of Participants With Premature Discontinuation of TreatmentUp to 60 weeks
PrimaryNumber of Participants With a Laboratory AbnormalityUp to 60 weeks
SecondaryMean Change From Baseline in HBV pgRNABaseline and at pre-specified time points up to 60 weeks
SecondaryMean Change From Baseline HBV DNABaseline and at pre-specified time points up to 60 weeks
SecondaryMean Change From Baseline in HBeAgBaseline and at pre-specified time points up to 60 weeks
SecondaryMean Change From Baseline in HBcrAgBaseline and at pre-specified time points up to 60 weeks
SecondaryMean Change From Baseline in HBsAgBaseline and at pre-specified time points up to 60 weeks
SecondaryNumber of Participants With Normalized Alanine Aminotransferase (ALT)Baseline and at pre-specified time points up to 60 weeks
SecondaryPlasma Concentration of ABI-H0731Predose on Day 1, Week 4, and Week 24 and at pre-specified time points postdose up to Week 24

Outcomes11

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Participants With an Adverse EventUp to 60 weeksParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYNumber of Participants With Premature Discontinuation of TreatmentUp to 60 weeksParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYNumber of Participants With a Laboratory AbnormalityUp to 60 weeksParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYMean Change From Baseline in HBV pgRNABaseline and at pre-specified time points up to 60 weeksDue to early termination of the study, not all subjects reached Week 48.log10 U/mLMEAN
SECONDARYMean Change From Baseline HBV DNABaseline and at pre-specified time points up to 60 weeksDue to early termination of the study, not all subjects reached Week 48.log10 IU/mLMEAN
SECONDARYMean Change From Baseline in HBeAgBaseline and at pre-specified time points up to 60 weeksDue to early termination of the study, not all subjects reached Week 48.log10 IU/mLMEAN
SECONDARYMean Change From Baseline in HBcrAgBaseline and at pre-specified time points up to 60 weeksDue to early termination of the study, not all subjects reached Week 48.log10 kU/mLMEAN
SECONDARYMean Change From Baseline in HBsAgBaseline and at pre-specified time points up to 60 weeksDue to early termination of the study, not all subjects reached Week 48.log10 IU/mLMEAN
SECONDARYNumber of Participants With Normalized Alanine Aminotransferase (ALT)Baseline and at pre-specified time points up to 60 weeksDue to early termination of the study, data were not collected or analyzed for secondary outcomes.
SECONDARYPlasma Concentration of ABI-H0731Predose on Day 1, Week 4, and Week 24 and at pre-specified time points postdose up to Week 24No ABI-H0731 PK data were collected from the ETV + Peg-IFNα group until Week 24 when they started receiving ABI-H0731.ng/mLMEAN

Results by group226

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Number of Participants With an Adverse EventABI-H0731 + ETV14Participants
Number of Participants With an Adverse EventABI-H0731 + ETV + Peg-IFNα17Participants
Number of Participants With an Adverse EventETV + Peg-IFNα17Participants
Number of Participants With Premature Discontinuation of TreatmentABI-H0731 + ETV18Participants
Number of Participants With Premature Discontinuation of TreatmentABI-H0731 + ETV + Peg-IFNα17Participants
Number of Participants With Premature Discontinuation of TreatmentETV + Peg-IFNα11Participants
Number of Participants With a Laboratory AbnormalityABI-H0731 + ETV19Participants
Number of Participants With a Laboratory AbnormalityABI-H0731 + ETV + Peg-IFNα16Participants
Number of Participants With a Laboratory AbnormalityETV + Peg-IFNα17Participants
Mean Change From Baseline in HBV pgRNAABI-H0731 + ETVWeek 1-1.3Standard Deviation .51log10 U/mL

Participant flow9

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDABI-H0731 + Entecavir (ETV)20
Overall StudySTARTEDABI-H0731 + ETV + Pegylated-interferon Alpha (Peg-IFNα)17
Overall StudySTARTEDETV + Peg-IFNα17
Overall StudyCOMPLETEDABI-H0731 + Entecavir (ETV)6
Overall StudyCOMPLETEDABI-H0731 + ETV + Pegylated-interferon Alpha (Peg-IFNα)5
Overall StudyCOMPLETEDETV + Peg-IFNα6
Overall StudyNOT COMPLETEDABI-H0731 + Entecavir (ETV)14
Overall StudyNOT COMPLETEDABI-H0731 + ETV + Pegylated-interferon Alpha (Peg-IFNα)12
Overall StudyNOT COMPLETEDETV + Peg-IFNα11

Adverse events258

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherPlatelet Count DecreasedInvestigationsABI-H0731 + ETV120
otherPlatelet Count DecreasedInvestigationsABI-H0731 + ETV + Peg-IFNα917
otherPlatelet Count DecreasedInvestigationsETV + Peg-IFNα917
otherPyrexiaGeneral disordersABI-H0731 + ETV020
otherPyrexiaGeneral disordersABI-H0731 + ETV + Peg-IFNα1117
otherPyrexiaGeneral disordersETV + Peg-IFNα817
otherHyperlipidaemiaMetabolism and nutrition disordersABI-H0731 + ETV320
otherHyperlipidaemiaMetabolism and nutrition disordersABI-H0731 + ETV + Peg-IFNα617
otherHyperlipidaemiaMetabolism and nutrition disordersETV + Peg-IFNα417
otherWhite Blood Cell Count DecreasedInvestigationsABI-H0731 + ETV020

Adverse event totals9

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityABI-H0731 + ETV020
Total, all-cause mortalityABI-H0731 + ETV + Peg-IFNα017
Total, all-cause mortalityETV + Peg-IFNα017
Total, other adverse eventsABI-H0731 + ETV1420
Total, other adverse eventsABI-H0731 + ETV + Peg-IFNα1717
Total, other adverse eventsETV + Peg-IFNα1717
Total, serious adverse eventsABI-H0731 + ETV020
Total, serious adverse eventsABI-H0731 + ETV + Peg-IFNα117
Total, serious adverse eventsETV + Peg-IFNα017

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04781647

GET https://conductscience.org/api/trials/v1/NCT04781647/results?page=2