About this trial
This is a multicenter, prospective, real-world study. The study plans to include a total of 2000 patients who meet the inclusion and exclusion criteria, consisting of 1600 treatment-naive patients and 400 treatment-experienced patients. The effectiveness and safety of different treatment strategies will be evaluated in children aged 1-12 years with treatment-naive and treatment-experienced chronic hepatitis B (CHB) and chronic HBV infection.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
The guardian understands and signs the informed consent form (both parents must sign), and adheres to the relevant requirements of this study. If the participant is 8 years old or older, they must also sign the informed consent form. For participants under 8 years old who can express consent, their consent must be clearly documented.
Age: ≥1 year and <13 years, either sex;
Positive for HBsAg and/or HBV DNA for more than 6 months;
No prior antiviral treatment.
Disqualifiers
1.In the interferon group, blood white blood cell count <3.5×10^9/L, or platelet count <80×10^9/L, or prothrombin activity <60%, or total bilirubin >34μmol/L, or serum albumin <35g/L, or serum creatinine >133μmol/L; 2.Coexistence of other active infections; 3. Coexistence of other chronic liver diseases or active liver diseases, such as autoimmune liver disease, drug-induced liver injury, Wilson's disease, decompensated cirrhosis, liver cancer; 4. Coexistence of other severe systemic diseases or malignant tumors, etc.; 5. History of allergy to nucleoside analogues or interferon; 6. Subjects whom the investigator deems to have poor compliance, unable or unwilling to provide informed consent, or unable to adhere to the study requirements, or other conditions not suitable for participation in this study.
Trial population
The patients provided by hospitals from various centers across the country are standardized in English translation.
Trial design
Cohort
Prospective
Treatments tested in this trial
Nucleos(t)ide Analogues
DrugAdminister NAs \[LAM, ETV, TDF, TAF (TAF preferred for those aged 6 years and older)\] continuously for 48 weeks based on age.
Interferon alfa
DrugIFNα monotherapy for 48 weeks (select conventional IFNα for ages ≥1 and \<3 years, select PEG-IFNα-2b for ages ≥3 years)
NAs combined with IFNα
DrugReceive NAs combined with IFNα treatment for 48 weeks.
comparative observation
Other interventionBlank control observation for 48 weeks.
drug withdrawal observation
Other interventionThis group is the drug withdrawal observation group, which will strictly monitor virological indicators and biochemical results, and will reinitiate antiviral treatment if necessary based on antiviral treatment standards and the willingness of the child (or family members)
Treatment groups
Trial outcomes
Primary outcomes
HBsAg seroconversion rate
Secondary outcomes
HBV DNA negative conversion rate
HBeAg negative conversion rate
HBeAg seroconversion rate
HBsAg seroconversion rate
Sponsors and contacts
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