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Taking people in TaiwanPhase 4

Compares two hepatitis B medicines, tenofovir alafenamide and entecavir, in chronic infection

Compares tenofovir alafenamide with entecavir in adults with chronic hepatitis B.

Key facts

Who runs it
Taichung Veterans General Hospital
Where
Taichung, TaiwanSee the site
Trial code
Registry title
Tenofovir Alafenamide Versus Entecavir for the Treatment of Chronic Hepatitis B
Status
Recruiting
Phase
Phase 4
People taking part
140 people, planned
Started
19 Aug 2019
Expected to end
31 Dec 2030
Type of study
Interventional, 2 groupsOne group gets an existing treatment, for comparison.
Treatments tested
  • Tenofovir alafenamide
  • Entecavir
Record updated
14 May 2026

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for adults with chronic hepatitis B who need antiviral treatment. It compares two drugs, tenofovir alafenamide and entecavir.

Age
More than 20 years old (minimum age 20 Years).
Sex
All sexes can join.
Disease stage
Chronic hepatitis B, with a need for hepatitis B virus antiviral therapy.
Earlier treatment
People who used nucleot(s)ide analogues for chronic hepatitis B before cannot join. People who used interferon for chronic hepatitis B within six months cannot join.

Main reasons for not taking part

  • Decompensated liver disease (Child-Pugh B & C)
  • End stage renal disease (eGRF < 15 ml/min/1.73m2)
  • Known history of human immunodeficiency virus or hepatitis C virus co-infection
  • Other uncontrolled cancer at the same time
  • Pregnancy or breastfeeding

The registry criteria, word for word

Show all 11 criteriaShow less

Who can take part

  • Patients more than 20 years old
  • Chronic hepatitis B patients
  • Patients who were indicated for hepatitis B virus antiviral therapy

Who cannot take part

  • Prior use of nucleot(s)ide analogues for chronic hepatitis B
  • Prior use of interferon for chronic hepatitis B within six months
  • Concurrent other uncontrolled malignancy
  • Decompensated liver disease (Child-Pugh B \&C)
  • End stage renal disease (eGRF < 15 ml/min/1.73m2)
  • Known history of human immunodeficiency virus or hepatitis C virus co-infection
  • Women in pregnancy or lactation
  • Cannot conform to the study protocol of this study

Where in Taiwan

  • Taichung Veterans General HospitalTaichung, TaiwanContact: Teng-Yu Lee, MD, PhDTaking people

About the trial

What the trial wants to find out

To compare the efficacy and renal safety of tenofovir alafenamide (TAF) versus entecavir (ETV) in the chronic hepatitis B patients.

The 2 groups in the trial

  • Tenofovir alafenamide groupExisting treatment, for comparison

    Study subjects will receive tenofovir alafenamide 25 mg/tab once daily

    Treatment: Tenofovir alafenamide

  • Entecavir groupExisting treatment, for comparison

    Study subjects will receive entecavir 0.5 mg/tab once daily

    Treatment: Entecavir

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Tenofovir Alafenamide Versus Entecavir for the Treatment of Chronic Hepatitis B: An Open Label, Randomized Controlled Trial
Plain-language title
Compares two hepatitis B medicines, tenofovir alafenamide and entecavir, in chronic infectionGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 12 November 2026.
Record updated
14 May 2026