A Study to Evaluate AHB-137 Injection in Treatment-naïve Participants With Chronic Hepatitis B
A Randomized, Double-blind, Placebo-controlled, Multicenter Phase 2 Clinical Study to Evaluate the Efficacy and Safety of AHB-137 Injection in Treatment-naïve Participants With Chronic Hepatitis B.
Ausper Biopharma Co., Ltd.
320 participants
Jun 5, 2026
INTERVENTIONAL
Conditions
Summary
This study is a randomized, double-blind, placebo-controlled, multicenter phase 2 study to assess the efficacy and safety of AHB-137 injection in treatment-naïve participants with chronic hepatitis B.
Eligibility
Inclusion Criteria7
- Volunteer to participate and sign the informed consent form, and are willing to complete the study in accordance with the requirements of the protocol.
- Aged 18-65 years (including boundary values).
- Body mass index between the range of 18-32 kg/m2 (inclusive boundary values).
- HBsAg or HBV DNA positive for ≥ 6 months at screening and no antiviral treatment with interferon or nucleoside analogue.
- HBsAg and HBV DNA values met protocol requirements at screening.
- ALT < 3xULN at screening.
- Use highly effective contraception as required.
Exclusion Criteria17
- Uncontrolled and stable clinically significant abnormalities other than a history of chronic HBV infection.
- Participants with other clinically significant liver diseases, previous/current manifestations of hepatic decompensation, and a history of extrahepatic diseases that may be related to HBV immune status.
- Any serious infection other than chronic hepatitis B infection requiring intravenous anti-infective therapy within 1 month prior to randomization.
- Hepatitis C virus (HCV) infection or < 12 months from cure at screening (HCV RNA positive within 12 months), human immunodeficiency virus (HIV) positive at screening, and syphilis positive (treponema pallidum antibody positive).
- Significant fibrosis or cirrhosis, or liver stiffness value (LSM) > 9.0 kPa at screening.
- Participants with confirmed or suspected liver cancer who have a history of malignancy within the past 5 years or are undergoing assessment for a possible malignancy.
- Laboratory test results do not meet the criteria.
- Prior/current autoimmune disease, history of vasculitis, or presence of signs, symptoms, or laboratory tests of underlying vasculitis.
- Fridericia ' s formula corrected QT interval (QTcF) ≥ 450 msec for male participants and ≥ 470 msec for female participants at screening.
- Allergic to AHB-137 ingredients, or history of drug allergy or other allergies.
- Major trauma or major surgery within 3 months prior to screening, or planned surgery during the trial.
- Participants are participating in another clinical trial or failing to wash out as required.
- Current use or use of any immunosuppressive medication (e.g. prednisone) within 3 months prior to screening, except for short courses (≤ 2 weeks) or use of topical/inhaled steroids;Those who have used immunomodulators within 3 months prior to screening;Those who have used cytotoxic drugs within 6 months prior to screening;History of vaccination within 1 month prior to screening or a live vaccination plan during the trial.
- Participants that require regular long-term anticoagulants.
- Abnormal thyroid function.
- Participants that have received any antisense oligonucleic acid, siRNA, capsid assembly modulator (CAM) antiviral drug used to treat chronic hepatitis B.
- Any other circumstances or conditions in which, in the opinion of the investigator, the participant is inappropriate for participation in this trial.
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Interventions
AHB-137 will be administered subcutaneously.
Placebo will be administered subcutaneously.
Locations(34)
View Full Details on ClinicalTrials.gov
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NCT07635186