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Compare Continuing Lamivudine Plus Adefovir or Adefovir Versus Switching to Entecavir Plus Adefovir in Patients With LAM-resistant Chronic Hepatitis B

Phase 4
Conditions
Hepatitis B, Chronic
Interventions
Registration Number
NCT02482272
Lead Sponsor
Asan Medical Center
Brief Summary

The purpose of this study is to compare efficacy and safety of continuing Lamivudine plus Adefovir or Adefovir versus switching to Entecavir plus Adefovir in patients with LAM-resistant chronic hepatitis B who have suboptimal response to Lamivudine plus Adefovir or Adefovir

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
90
Inclusion Criteria
  • Chronic hepatitis B
  • Age ≥ 20 year old
  • Currently taking Lamivudine and Adefovir combination therapy or Adefovir monotherapy for chronic HBV infection for 24 weeks
  • Proven Lamivudine resistant mutation
  • HBV DNA levels at screening ≥ 15 IU/mL
  • Females must be post-menopausal, unable to conceive, or test negative for pregnancy via urine test
  • Patient is able to give written informed consent prior to study start and to comply with the study requirements
Exclusion Criteria
  • A history or current of decompensated cirrhosis or hepatocellular carcinoma
  • Currently receiving antiviral, immunomodulatory, cytotoxic or corticosteroid therapy
  • Co-infected with HCV or HIV
  • A history of organ transplantation
  • Pregnant or breast-feeding
  • Current clinically relevant of abuse of alcohol or drugs.
  • Significant immunocompromised, gastrointestinal, renal(serum creatinine ≥ 1.5 mg/dL), hematological, psychiatric, bronchopulmonary, biliary diseases excluding asymptomatic GB stone, neurological, cardiac, oncologic, allergic disease or medical illness that in the investigator's opinion might interfere with therapy
  • malignancy in previous 5 years

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Lamivudine plus Adefovir or AdefovirAdefovirLamivudine+Adefovir or Adefovir for 48 weeks
Entecavir plus AdefovirAdefovirEntecavir+Adefovir for 48 weeks
Entecavir plus AdefovirEntecavirEntecavir+Adefovir for 48 weeks
Lamivudine plus Adefovir or AdefovirLamivudineLamivudine+Adefovir or Adefovir for 48 weeks
Primary Outcome Measures
NameTimeMethod
Proportion of patients with HBV DNA<15IU/mLweek 48
Secondary Outcome Measures
NameTimeMethod
Proportion of patients with ALT normalizationDay1, week12, week 24, week 36, week 48
Assessment the safety in all patients (composite measure of AE, labs, phys. exam, vital signs)week 48

Composite outcome measure consisting of multiple measures, including:

1. Number of patients with Adverse events( including SAEs)

2. Frequency and severity of Abnormalities in laboratory examinations; BUN, Albumin, AST, ALT,GGT, Creatinine, Hemoglobin, Hematocrit, Platelet Count, Prothrombin time

3. Number of patients with Abnormalities in physical examinations; Eyes/Ears/Nose/Throat, Respiratory, Cardiovascular, Dermatological, Abdominal, Musculoskeletal, Other

4. Number of patients with Abnormalities in vital signs ; pulse rate( beats per minute), Blood pressure(mmHg), Height(cm), weight(kg)

Proportion of patients with HBeAg loss and/or seroconversionDay1, week12, week 24, week 36, week 48
The change of HBsAg from the baselineweek 48
Proportion of patients with HBsAg loss and/or seroconversionweek 24, week 48
Proportion of patients with HBV DNA<15IU/mLDay1, week12, week 24, week 36, week 48
The change of HBV DNA from the baselineweek 48
Proportion of patients who experienced virologic breakthroughweek 48

Trial Locations

Locations (1)

Asan Medical Center

🇰🇷

Seoul, Korea, Republic of

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