Treatment Efficacy and Safety of Tenofovir Disoproxil Fumarate (TDF) in naïve Chronic Hepatitis B
- Registration Number
- NCT02533544
- Lead Sponsor
- Myeong Jun Song
- Brief Summary
- This is an open-label, single arm cohort study to see efficacy and safety of tenofovir disoproxil fumarate (TDF) in naïve chronic hepatitis B, retrospectively and prospectively both. 
- Detailed Description
- Not available 
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 572
- 
Must have the ability to understand and sign a written informed consent form, which must be obtained prior to initiation of study procedures. 
- 
Adult male and non-pregnant, non-lactating female subjects, 19 years of age and older, based on the date of the screening visit. A negative serum pregnancy test at Screening is required for female subjects of childbearing potential (unless surgically sterile or greater than 2 years post-menopausal). 
- 
Documented evidence of chronic HBV infection (e.g. HBsAg positive for more than 6 months) 
- 
Chronic hepatitis B with the following: - HBeAg-positive and HBeAb negative at Screening
- Screening HBV DNA ≥ 1x 105 copies/mL
- Screening serum ALT level ≥ ×ULN(80 IU/L) and ≤ 10 ×ULN (by center laboratory range) OR
- HBeAg-negative and HBeAb positive at Screening
- Screening HBV DNA ≥ 1x 104 copies/mL
- Screening serum ALT level ≥ ×ULN(80 IU/L) and ≤ 10 ×ULN (by center laboratory range) OR
- Cirrhosis at Screening
- Screening HBV DNA ≥ 1x 104 copies/mL in HBeAg negative or
- Screening HBV DNA ≥ 1x 105 copies/mL in HBeAg positive
- Screening serum ALT level ≥ ×ULN and ≤ 10 ×ULN (by center laboratory range)
 
- 
A patient who treating with TDF as a treatment-naïve for Hepatitis B. Treatment naïve subjects defined as no history of antiviral therapy or < 12 weeks of oral antiviral treatment with any nucleoside or nucleotide analogue, including lamivudine or adefovir, clevudine, telbivudine, entecavir 
- 
Decompensated liver cirrhosis defined based on a Child-Turcotte-Pugh (CTP) score ≥ 7 (Child B and C) or presence with at least one episode of ascites, jaundice, hepatic encephalopathy or variceal bleeding 
- 
Any previous treatment with interferon (pegylated or non-pegylated) must have ended at least 6 months prior to the baseline visit 
- 
Must be willing and able to comply with all study requirements. 
Subjects who meet any of the following exclusion criteria are not to be enrolled in the study.
- Pregnant women, women who are breastfeeding or who believe they may wish to become pregnant during the course of the study.
- Co-infection with HCV, HIV
- Evidence of hepatocellular carcinoma (e.g. α-fetoprotein> 50 ng/mL or as evidenced by recent ultrasound or other standard of care measure)
- Malignancy within 5 years prior to screening, with the exception of specific cancers that are cured by surgical resection (basal cell skin cancer, etc). Subjects under evaluation for possible malignancy are not eligible
- Current alcohol or substance abuse judged by the investigator to potentially interfere with subject compliance
- Currently receiving therapy with cytotoxic agent, nephrotoxic agents, or agents capable of modifying renal excretion
- Any other clinical condition or prior therapy that, in the opinion of the Investigator, would make the subject unsuitable for the study or unable to comply with dosing requirements.
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Arm && Interventions
- Group - Intervention - Description - tenofovir disoproxil fumarate monotherapy - tenofovir disoproxil fumarate - a group which treated with tenofovir disoproxil fumarate 
- Primary Outcome Measures
- Name - Time - Method - The proportion of subjects with plasma HBV DNA levels below 116 copies/mL at Week 48 - week 48 - proportion of subjects with plasma HBV DNA levels below 116 copies/mL at Week 48 - The proportion of subjects with plasma HBV DNA levels below 116 copies/mL at Week 96 - Week 96 - proportion of subjects with plasma HBV DNA levels below 116 copies/mL at Week 96 
- Secondary Outcome Measures
- Name - Time - Method - The proportion of subjects with plasma HBV DNA levels below 116 copies/mL at every visits - week 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144 - The proportion of subjects with plasma HBV DNA levels below 116 copies/mL at every visits - The proportion of the biochemical (alanine aminotransferase normalization) response of TDF for the treatment of chronic hepatitis B at Week 48 and 96 - Week 48 and 96 - The proportion of the biochemical (alanine aminotransferase normalization) response of TDF for the treatment of chronic hepatitis B at Week 48 and 96 - The proportion of the serological response (loss of HBeAg and seroconversion to HBeAb) of TDF for the treatment of chronic hepatitis B at Week 48 and 96 - Week 48 and 96 - The proportion of the serological response (loss of HBeAg and seroconversion to HBeAb) of TDF for the treatment of chronic hepatitis B at Week 48 and 96 - The proportion of the serological response (loss of HBsAg and seroconversion to HBsAb) of TDF for the treatment of chronic hepatitis B at Week 48 and 96 - Week 48 and 96 - The proportion of the serological response (loss of HBsAg and seroconversion to HBsAb) of TDF for the treatment of chronic hepatitis B at Week 48 and 96 - The change from baseline in the decline of HBV DNA at every visits - week 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144 - The change from baseline in the decline of HBV DNA at every visits - The proportion of patients showing virological breakthrough at week 48 and 96 - Week 48 and 96 - The proportion of patients showing virological breakthrough at week 48 and 96. 
 Virological Breakthrough defined as any increase in serum HBV DNA by \>1 log10 from nadir or redetection of serum HBV DNA at levels ≥10-fold the lower limit of detection of the HBV DNA assay after having an undetectable result- The incidence of resistance of TDF among patients showing virological breakthrough at week 48 and 96 - Week 48 and 96 - The incidence of resistance of TDF among patients showing virological breakthrough at week 48 and 96. 
 Virological Breakthrough defined as any increase in serum HBV DNA by \>1 log10 from nadir or redetection of serum HBV DNA at levels ≥10-fold the lower limit of detection of the HBV DNA assay after having an undetectable result- The proportion of improvement of liver function including Child Score, Model for End-stage Liver Disease (MELD) score at Week 48 and 96 - Week 48 and 96 - The proportion of improvement of liver function including Child Score, MELD score at Week 48 and 96 - The proportion of improvement of Fibrosis marker including Aspartate aminotransferase to Platelet Ratio Index(APRI) at Week 48 and 96 - Week 48 and 96 - The proportion of improvement of Fibrosis marker including Aspartate aminotransferase to Platelet Ratio Index(APRI) at Week 48 and 96 
Trial Locations
- Locations (1)
- The Catholic University of Korea, Daejeon St.Mary's Hosptial 🇰🇷- Junggu, Daejeon, Korea, Republic of The Catholic University of Korea, Daejeon St.Mary's Hosptial🇰🇷Junggu, Daejeon, Korea, Republic of
