Study of AHB-171 in Chronic Hepatitis B Participants

Recruiting now · Phase 2

Conditions studied: Hepatitis B, Chronic (CHB)

In brief

The study adopts an open-label, multiple-dose design and aims to evaluate the efficacy and safety of AHB-171 Injection after multiple doses in treatment-naïve (HBeAg-negative/positive) and nucleos(t)ide analogue (NA)-treated (HBeAg-negative) participants with chronic hepatitis B (CHB)

Key facts

Study ID

NCT07630727

Run by

Ausper Biopharma Co., Ltd.

People needed

138

Starts

2026-06-24

Expected to finish

2029-05-31

Last updated by the study team

2026-07-21

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Able to fully understand and sign the informed consent form (ICF).
• Male or female participants, aged 18-65 years (inclusive).
• Body mass index (BMI) meeting the predefined eligibility range.
• Chronic hepatitis B (CHB) participants with HBsAg or HBV DNA positivity for ≥6 months at screening.
• At screening, participants meeting predefined ranges of HBsAg, HBV DNA, and ALT according to prior nucleos(t)ide analogue (NA) treatment history (stable prior treatment or treatment-naive), and meeting corresponding prior antiviral treatment duration requirements.
• Adopt effective contraceptive measures as required

You may not qualify if…

• History of any severe systemic disease or malignancy other than chronic HBV infection which, in the opinion of the investigator, makes the subject unsuitable for study participation.
• Prior history of solid organ or hematopoietic stem cell transplantation.
• History of any other liver disease that the investigator considers unsuitable for trial.History of autoimmune disease or diseases with potential immune activation risk.
• History or presence of hepatic decompensation at screening.
• History of primary liver cancer, or diagnosis/suspected liver cancer at screening.
• Imaging or histological evidence of significant liver fibrosis or cirrhosis within 12 months prior to screening, or a liver stiffness measurement indicative of significant fibrosis or cirrhosis at screening. Major trauma or major surgery within 12 weeks prior to screening
• History of severe allergies (e.g., to ≥2 allergens) or severe allergy to any component of the study drug, or in the opinion of the investigator, makes the subject unsuitable for participation.
• Severe infection requiring intravenous anti-infective therapy within 2 weeks prior to screening (excluding chronic HBV infection).
• History of drug abuse, or alcoholism.
• Blood donation or blood loss exceeding the specified volume within 12 weeks prior to screening, or planned blood donation during the trial period.
• Use of immunosuppressants, immunomodulators, cytotoxic drugs, or biologics within 6 months prior to screening.
• Use of any oligonucleotide drugs or interferon therapy within 12 months prior to screening.
• Vaccination within 4 weeks prior to screening, or planned vaccination during the trial period.
• Presence of tattoos, active skin diseases, or other conditions that may interfere with subcutaneous drug administration or observation of injection site reactions.
• Clinically significant abnormal electrocardiogram (ECG) at screening.
• Tested positive for HIV，HCV or active syphilis infection.
• Uncontrolled hypertension at screening.
• Clinically significant abnormal laboratory test as specified in protocol at screening.
• Currently participating in another clinical trials, or within the washout period.
• Any other condition or factor which, in the opinion of the investigator, makes the subject unsuitable for trial participation.

Where it is running

• AusperBio Investigational Site — Beijing, Beijing Municipality, China (enrolling)
• AusperBio Investigational Site — Chongqing, Chongqing Municipality, China (enrolling)
• AusperBio Investigational Site — Xiamen, Fujian, China (enrolling)
• AusperBio Investigational Site — Guangzhou, Guangdong, China (enrolling)
• AusperBio Investigational Site — Nanning, Guangxi, China (enrolling)
• AusperBio Investigational Site — Zhengzhou, Henan, China (enrolling)
• AusperBio Investigational Site — Changzhou, Jiangsu, China (enrolling)
• AusperBio Investigational Site — Jilin City, Jilin, China (enrolling)
• AusperBio Investigational Site — Chengdu, Sichuang, China (enrolling)
• AusperBio Investigational Site — Hangzhou, Zhejiang, China (enrolling)

Full record on ClinicalTrials.gov

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