Improved Sensitivity Detection of Serum HBsAg in Chronic Hepatitis B Patients Achieving Functional Cure and Its Association With HBsAg Reversion
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 入组人数
- 300
- 试验地点
- 1
- 主要终点
- HBsAg reversion rate
研究概览
简要总结
The goal of this observational study is to learn about the HBsAg reversion rate at 48 weeks off treatment in HBsAg-negative patients by HBsAg NEXT assay which has improved sensitivity compared to current ARCHITECT HBsAg Assay.
The main question it aims to answer is:
What's the HBsAg reversion rate at 48 weeks off treatment in HBsAg-negative patients by HBsAg NEXT assay? HBsAg NEXT assay technology (lower limit of detection for HBsAg is 0.005 IU/ml) and current ARCHITECT HBsAg assay (lower limit of detection for HBsAg is 0.05 IU/ml) are applied for HBsAg detection in patients achieving functional cure, and to compare the difference in HBsAg reversion rate 48 weeks off treatment under the two types of criteria.
详细描述
In this study, chronic hepatitis B patients who achieved HBsAg loss by current ARCHITECT HBsAg testing (lower limit of detection for HBsAg is 0.05 IU/ml) under interferon therapy and received consolidation therapy for 3 month after that were screened for eligibility. Those who are willing to discontinue were enrolled in the study. Patients were divided in two groups according to HBsAg levels，one with patients who were HBsAg-negative （HBsAg<0.005 IU/mL）by HBsAg next assay , and the other with patients who had HBsAg levels between 0.005 IU/mL and 0.05IU/mL. Patients were followed up for 48 weeks after discontinuation after HBsAg loss and HBsAg reversion rates in the two groups were analyzed and compared.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Retrospective
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
- •HBsAg-negative by Abbott's HBsAg Test and HBeAg-negative;
- •Having serum specimens retained at baseline and at 48 weeks off treatment follow up;
- •Being willing to follow up regularly for 1 year.
排除标准
- •Patients with hepatitis B cirrhosis in the compensated and decompensated stages: this includes patients with a clear history of cirrhosis (imaging or histological evidence) or Child-Pugh score ≥5 prior to NUC treatment, or who have had complications of the decompensated stage of cirrhosis, such as ascites, hepatic encephalopathy, or ruptured oesophago-gastric fundal varices bleeding;
- •Combined HAV, HCV, HDV, HEV, HIV infections, alcoholic liver disease, inherited metabolic liver disease, pharmacological liver disease, non-alcoholic fatty liver disease, autoimmune liver disease and other chronic liver diseases;
- •Primary hepatocellular carcinoma or those with AFP greater than 100 ng/ml at screening and imaging suggestive of possible malignant hepatic occupancy; or patients with AFP greater than 100 ng/ml for a sustained period of 3 months;
- •Patients with a combination of other malignant tumours (excluding those who have been cured);
- •Patients with severe diseases or uncontrolled disease
- •Those who are also participating in other clinical studies;
- •Patients deemed unsuitable by the investigator to participate in this study.
结局指标
主要结局
HBsAg reversion rate
时间窗: 48 weeks
HBsAg reversion rate in patients with HBsAg loss by Abbott's HBsAg next assay at week 48 off treatment
次要结局
- HBsAg seroconversion rate(48 weeks)
- Viral reactivation rate(48 weeks)
- Proportion of patients who were HBsAg positive(48 weeks)
- Surface antibody disappearing rates(48 weeks)