A Multicenter, Randomized, Double-blind, Placebo-controlled, Phase II Clinical Trial to Evaluate the Efficacy and Safety of Therapeutic Hepatitis B Vaccine (Mimogen-based) in Treating Chronic Hepatitis B Patients
试验速览
- 阶段
- 2 期
- 状态
- 已完成
- 发起方
- 入组人数
- 360
- 试验地点
- 15
- 主要终点
- Percentage of Participants With HBeAg Seroconversion at Endpoint .
研究概览
简要总结
The purpose is to evaluate efficacy and safety of therapeutic Hepatitis B Virus(HBV) vaccine (mimogen-based) treatment in chronic hepatitis B patients and to explore the most effective dosage and provide the rational for optimal dosing schedule.
详细描述
First stage(0-76 weeks):
Eligible subjects are enrolled and assigned to 3 groups randomly in a 1:1:1 ratio:
- εPA-44 600μg group:Subcutaneous inject εPA-44 600μg at week 0, 4, 8, 12, 20, 28;Polyene Phosphatidylcholine Capsules will be taken orally beginning in week 28.
- εPA-44 900μg group:Subcutaneous inject εPA-44 900μg at week 0, 4, 8, 12, 20, 28;Polyene Phosphatidylcholine Capsules will be taken orally beginning in week 28.
- Placebo control group:Subcutaneous inject empty liposome at week 0, 4, 8, 12, 20, 28;Polyene Phosphatidylcholine Capsules will be taken orally beginning in week 28.
The study cycle consists of screening and enrollment period (week -6-0), treatment period (week 0-28) and follow-up period (week 28-76).
Second stage(76-144 weeks):
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
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
- 否
入选标准
- •Aged 18-65 years, male or female
- •Conforms to diagnosis standard of chronic hepatitis B according to"2005 Guideline for Prevention and Treatment of Hepatitis B", (with positive HBsAg for more than 6 months), and HBV-DNA more than 100000 copies/ml;HBeAg (+),HBsAb(-); Alanine aminotransferase(ALT) within 2 to 10 times of ULN (upper limit of normal)
- •HLA-A2 positive
- •Compensatory liver disease having following hematological and biochemical indicators:WBC≥3.5E+9/L; ANC≥1.5E+9/L; PLT≥80E+9/L; Hb≥110g/L; TBil≤1.5ULN; ALB ≥ lower limit of normal value; BUN (Urea)≤upper limit of normal value; Cr≤upper limit of normal value; prothrombin time(PT) elongation≤3 sec; Activated partial thromboplastin time(APTT) within normal value; Fasting blood glucose≤7.0mmol/L
- •TSH within normal value
- •AFP ≤20ng/ml
- •Uses effective contraception for subject with child-bearing potential (including females and female partners of males)
- •Understands and signs ICF approved by EC
- •Willing to comply with the study procedures and complete the study
排除标准
- •Antibody of HAV IgM, HCV, HDV IgM or HEV IgM is positive
- •Antibody of CMV IgM, EBV IgM or HIV is positive
- •Antinuclear antibody titer>1:160
- •Hepatocarcinoma, suspected hepatocarcinoma or hepatic cirrhosis
- •Has any of the following illnesses or has a severe disease inappropriate for participation in the study based on the investigator's judgment, such as: Cardiovascular system: instable or significant cardiovascular illness such as angina pectoris, heart attack of myocardial infarction, congestive heart failure, severe hypertension, significant arrhythmia or abnormal ECG etc.; Respiratory system: bronchiectasis, bronchial asthma, chronic obstructive pulmonary disease, respiratory failure, etc.; Endocrine, metabolism diseases: diabetes mellitus, uncontrolled thyroid diseases, etc.; Others: autoimmune disorder, active tuberculosis, malignancies (e.g.tumor), neuropathic or metal illness history,etc.
- •Has used anti-HBV drug (Interferon, Lamivudine, Adefovir Dipivoxil, Entecavir and Telbivudine) and immunomodulator (Thymic peptide,etc ) 6 months prior to the administration of study medication
- •Has participated in any other drug clinical investigations within the past 3 months
- •Has allergy habitus or has suspected allergy to study drug
- •Female who is in pregnancy, in lactation or planning to become pregnant during the course of the study
- •Has a history of alcohol abuse (Alcohol consumption for more than 5 years, with daily consumption over 40g for males and over 20g for females) and known drug dependence
- •Has a history of organ transplant (except external corneal transplantation and hair transplantation)
- •Any other factors inappropriate for enrollment in the study or study completion in the view of the investigator
研究组 & 干预措施
εPA-44 600μg+Placebo 300μg
Inject εPA-44 600μg+Placebo 300μg at week 0, 4, 8, 12, 20, 28.
干预措施: εPA-44 (Biological)
εPA-44 600μg+Placebo 300μg
Inject εPA-44 600μg+Placebo 300μg at week 0, 4, 8, 12, 20, 28.
干预措施: Placebo (Other)
Placebo 900μg
Inject Placebo 900μg at week 0, 4, 8, 12, 20, 28.
干预措施: Placebo (Other)
εPA-44 900μg
Inject εPA-44 900μg at week 0, 4, 8, 12, 20, 28.
干预措施: εPA-44 (Biological)
结局指标
主要结局
Percentage of Participants With HBeAg Seroconversion at Endpoint .
时间窗: Endpoint(LOCF), up to 76 Weeks
Primary endpoint data were summarised under "End of Study",using the last available post-baseline observation(Last Observation Carried Forward,LOCF)
次要结局
- Percentage of Participants With HBeAg Seroconversion at Weeks 12, 28, 32, 40, 52, 64, 76(serology response at week 12, 28, 32, 40, 52, 64, 76)
- The Proportion of Patients With Positive Anti-HBe(at week 12, 28, 32, 40, 52, 64, 76.)
- The Proportion of Patients With Serum HBV DNA Load Decrease Equal or Greater Than 2 Log Scale;(week 12, 28, 32, 40, 52, 64, 76)
- The Proportion of Patients With Serum HBV DNA Load Decrease Equal or Greater Than 1 Log Scale;(week 12, 28, 32, 40, 52, 64, 76)
- Percentage of Participants With Alanine Aminotransferase (ALT) Normalization at Weeks 12,28,32,40,52,64,76(week 12, 28, 32, 40, 52, 64, 76)
- The Proportion of Patients With Both Negative HBeAg and HBeAb;(at week 12, 28, 32, 40, 52, 64, 76.)
- Change From Baseline by Visit for HBeAg Titer(at week 12, 28, 32, 40, 52, 64, 76.)
- The Proportion of Patients With Serum HBV DNA Level < 29300 IU / ml;(week 12, 28, 32, 40, 52, 64, 76)
- Change From Baseline by Visit for Serum HBV DNA(week 12, 28, 32, 40, 52, 64, 76)
