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Safety and efficacy of antigen-antibody complexed therapeutic hepatitis B vaccine combined with Adefovir Dipivoxil

Multi-center, randomized, opened phase IIa trial to access the safety and efficacy of antigen-antibody complexed therapeutic hepatitis B vaccine combined with Adefovir Dipivoxil

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-TRC-11003189
Enrollment
Unknown
Registered
2011-07-26
Start date
2011-12-26
Completion date
Unknown
Last updated
2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Hepatitis B

Interventions

vaccine group:antigen-antibody immunocomplex therapeutic vaccine
placebo control group:alum

Sponsors

BEIJING DITAN HOSPITAL
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patient with signed informed consent form; 2. Patients with chronic hepatitis B aged 18 to 65 years; 3. Patients with > 6 months HBsAg positive prior to study; 4. HBeAg positive, HBeAb negative, and HBV DNA 1*10**5 copies/ml; 5. Patient without anti-viral therapy prior to recruitment; 6. Patients with ALT abnormal (2-fold higher but 10-fold less than cutoff at baseline.)7.Preganency testing negative for female patients.

Exclusion criteria

Exclusion criteria: 1. Co-infection with hepatitis A, C, D and E virus, or HIV; 2. Taking antiviral, hepatotoxic or immunosuppressive drugs or products within the preceding 6 months; 3. Other causes of liver disease; 4. Serious medical or psychiatric illness; 5. Hepatic cirrhosis or AFP>100 ng/ml; 6. Abnormal serum creatinine, thrombocyte count, 7. Hematoglobin or serum total bilirubin abnormal; 8. And pregnancy.

Design outcomes

Primary

MeasureTime frame
HBeAg seroconversion;

Countries

China

Contacts

Public ContactDAO-ZHEN XU
XUDAOZHEN@126.COM+86 13601318938

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026