Switch to Tenofovir Versus Continue Lamivudine/Adefovir Treatment in Lamivudine-resistance Chronic Hepatitis B Patients
Summary
1. Adefovir add-on therapy is superior to switching to adefovir monotherapy or entecavir 1mg monotherapy for chronic hepatitis B (CHB) patients with lamivudine resistance (LAM-R) 2. Long-term adefovir add-on therapy was effective for viral suppression. However, the economic burden for such dual antiviral therapy is heavy because of infinite treatment. 3. Tenofovir disoproxil fumarate (TDF) is a potent antiviral agent. TDF demonstrated potent antiviral efficacy in a subset of lamivudine experienced HBeAg-positive patients. TDF is also superior to ADV in HBeAg-negative and HBeAg-positive treatment-naive patients. 4. Theoretically, TDF can replace LAM/ADV when viral suppression has been achieved by LAM/ADV combination treatment in LAM-R CHB patients.
Timeline
- Start
- 2012-09
- Primary completion
- 2019-12
- Completion
- 2019-12
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Comparator | Adefovir | Unknown | 10 mg | — |
| Comparator | Lamivudine | Other / unclassified | 100 mg | — |
| Subject | Tenofovir disoproxil fumarate | Small molecule | 300 mg | — |