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临床试验/NCT07137910
NCT07137910招募中2 期

An Open-Label, Multicenter, Phase 2 Study to Evaluate the Efficacy and Safety of AHB-137 Injection in Participants With Low-HBsAg Chronic Hepatitis B

Ausper Biopharma Co., Ltd.13 个研究点 分布在 1 个国家目标入组 200 人开始时间: 2025年9月4日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
2 期
状态
招募中
发起方
入组人数
200
试验地点
13
主要终点
Proportion of participants with persistent HBsAg < limit of detection (LOD) and HBV DNA < lower limit of quantification (LLOQ) at the 24th week after all treatment for CHB was discontinued.

研究概览

简要总结

This is an open-label, multicenter, Phase 2 study designed to evaluate the efficacy and safety of AHB-137 injection in participants with chronic hepatitis B (CHB) with low hepatitis B surface antigen (HBsAg) levels.

研究设计

研究类型
Interventional
分配方式
Non Randomized
干预模型
Parallel
主要目的
Treatment
盲法
None

入排标准

年龄范围
18 Years 至 65 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Voluntarily participate in the study and sign the informed consent form;
  • 18-65 years of age (including boundary values) ;
  • Body mass index met the requirements;
  • Participants with CHB who are HBsAg or HBV DNA positive for at least 6 months;
  • Meet the relevant requirements for prior medications;
  • HBsAg and HBV DNA and liver function indicators meet the requirements;
  • Effective contraception as required;

排除标准

  • Uncontrolled and stable clinically significant abnormalities other than a history of CHB infection;
  • Associated liver disease;
  • Any serious infection other than CHB infection requires intravenous anti-infective therapy;
  • HCV RNA positive, HIV antibody positive, syphilis positive;
  • Abnormal laboratory results;
  • Diseases associated with vascular inflammatory conditions;
  • QT interval corrected heart rate (Fridericia method) abnormal;
  • History of malignancy or ongoing assessment of possible malignancy;
  • History of allergies, or allergic constitution;
  • Participants with recent major trauma or major surgery, or planning surgery;
  • Those who are participating in another clinical trial, or have not undergone a protocol-specified washout period prior to this study;
  • Prior/current use of prohibited medications;
  • Inappropriate for participation in this trial as judged by the investigator.

研究组 & 干预措施

Part A: AHB-137 With NA Therapy

Experimental

干预措施: AHB-137 (Drug)

Part A: AHB-137 With NA Therapy

Experimental

干预措施: NA therapy (Drug)

Part B: AHB-137 Without NA Therapy

Experimental

干预措施: AHB-137 (Drug)

Part B: AHB-137 with NA Therapy

Experimental

干预措施: AHB-137 (Drug)

Part B: AHB-137 with NA Therapy

Experimental

干预措施: NA therapy (Drug)

结局指标

主要结局

Proportion of participants with persistent HBsAg < limit of detection (LOD) and HBV DNA < lower limit of quantification (LLOQ) at the 24th week after all treatment for CHB was discontinued.

时间窗: At the 24th week after all treatment for CHB was discontinued

次要结局

  • Detection of the concentration of HBsAg, HBsAb, HBV DNA, HBV RNA, HBcrAg, HBeAb,and HBeAg.(Up to 60 weeks)
  • Relapse rate and time after discontinuation of NAs therapy.(Up to 60 weeks)
  • Changes of the score of Health-Related Quality of Life (HBQOL) in participants compared with baseline.(Up to 60 weeks)
  • Proportion of participants with persistent HBV DNA < LLOQ .(During the 24-week period after discontinuation of all CHB treatment)
  • Proportion of participants with persistent HBsAg < limit of detection (LOD) and HBV DNA < lower limit of quantification (LLOQ).(Up to 60 weeks)
  • Detection of the concentration of HBsAg, HBsAb, HBV DNA, HBV RNA, HBcrAg, HBeAb,and HBeAg.(Up to 60 weeks)
  • Relapse rate and time after discontinuation of NAs therapy.(Up to 60 weeks)
  • Changes of the score of Health-Related Quality of Life (HBQOL) in participants compared with baseline.(Up to 60 weeks)
  • Changes of the score of EuroQol Five-Dimension Five-Level Scale (EQ-5D-5L) in participants compared with baseline.(Up to 60 weeks)
  • Number and percentage of participants with detectable anti-drug antibodies (ADA).(Up to 60 weeks)
  • Sequencing of the Viral DNA and/or viral RNA analysis for detection of drug resistance in the target region of AHB-137.(Up to 60 weeks)
  • Safety: Number of participants with treatment-emergent adverse events (TEAEs), serious adverse events (SAE) and clinically significant examination results.(Up to 60 weeks)
  • Plasma concentrations of AHB-137.(Up to 60 weeks)

研究者

发起方
Ausper Biopharma Co., Ltd.
申办方类型
Industry
责任方
Sponsor

研究点 (13)

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