Chronic Hepatitis B
Conditions
Brief summary
This study is being conducted to compare the safety and effectiveness of the investigational medication, LdT (Telbivudine) with Lamivudine, a drug currently approved by the US, European and Asian Health Authorities for the treatment of hepatitis B infection. The results for patients taking LdT will be compared to results for patients taking Lamivudine.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* Chronic Hepatitis B, documented by Clinical history compatible with chronic HBV Other protocol-defined inclusion criteria may apply.
Exclusion criteria
* Patient is pregnant or breastfeeding * Patient is co infected with hepatitis C virus (HCV), hepatitis D virus (HDV), HIV-1 or HIV-2. * Patient previously received lamivudine or an investigational anti-HBV nucleoside or nucleotide analog at any time * Patient has received interferon or other immunomodulatory treatment for HBV infection in the 12 months before screening for this study Other protocol defined
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary efficacy endpoint: therapeutic response, defined as reduction of serum HBV DNA to below 5 log10 copies/mL, coupled with normalization of serum alanine aminotransferase levels OR loss of detectable serum HBeAg. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary efficacy endpoints: Improvement of liver histology, serum HBV DNA changes, normalization of serum alanine aminotransferase levels, HBeAg and HBsAg loss and seroconversion. | — |
Countries
South Korea, Spain, Thailand, Turkey (Türkiye), United Kingdom, United States