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Lamivudine(LAM) Good Responder Study

Completed
Conditions
Hepatitis B, Chronic
Interventions
Other: No intervention
Registration Number
NCT01128686
Lead Sponsor
ViiV Healthcare
Brief Summary

This is to evaluate the proportion of subjects who show good responses to LAM treatment in Korea.

Detailed Description

This is to evaluate the proportion of subjects who show good responses to LAM treatment such as HBV DNA negativity, HBV DNA less than 4 log, no resistant mutation, HBeAg seroconversion and normalization of ALT in naïve CHB patients with certain pre-treatment characteristics, i.e. HBV DNA less than 9log copies per ml and ALT more than 2 times ULN in HBeAg positive subjects, HBV DNA less than 7log copies per ml and elevated ALT in HBeAg negative subjects.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
1
Inclusion Criteria
  1. CHB or liver cirrhosis due to Hepatitis B virus who had started LAM between Jan 1, 2003 and Dec 31, 2004 and maintained LAM at least 6 months
  2. HBsAg positive at least for 6 months at the beginning of observation
  3. HBV DNA positive before LAM administration
  4. Subjects with certain pre-treatment laboratory findings as follows; HBV DNA less than 9log copies per ml and ALT more than 2 times ULN in HBeAg positive patients, HBV DNA less than 7log copies per ml and elevated ALT in HBeAg negative patients
Exclusion Criteria
  1. Documented co-infection with HCV, HIV at the beginning of LAM treatment
  2. Decompensated liver cirrhosis at the beginning of LAM treatment
  3. HCC at the beginning of LAM treatment

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Arm && Interventions
GroupInterventionDescription
CHB patients who started LAM as an initial antiviral treatmentNo interventionCHB patients who started LAM as an initial antiviral treatment at least 5 years prior to this investigation
Primary Outcome Measures
NameTimeMethod
Proportion of subjects showing HBV DNA negativity at 5 years of LAM treatment5years
Secondary Outcome Measures
NameTimeMethod
Proportion of subjects showing HBV DNA negativity during first 4 years of LAM treatment4 years
Proportion of subjects showing ALT normalization during 5 years of LAM treatment5 years
Cumulative proportion of subjects showing resistant mutation during 5 years of LAM treatment5 years
Proportion of subjects showing HBV DNA less than 4 log copies per ml during 5 years of LAM treatment5 years
Cumulative proportion of subjects showing HBeAg seroconversion during 5 years of LAM treatment5 years
Cumulative proportion of subjects showing HBeAg loss during 5 years of LAM treatment5 years

Trial Locations

Locations (1)

GSK Investigational Site

🇰🇷

Kangwon-do, Korea, Republic of

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