Tenofovir Alafenamide Switch Therapy in Chronic Hepatitis B

Recruiting now

Conditions studied: Patient Satisfaction, Drug Adherence, Efficacy, Self, Safety Issues

In brief

Chronic hepatitis B (CHB) patients may be unsatisfied to entecavir (ETV) therapy due to the inconvenience in drug taking, i.e., fasting for more than 2 hours and/or dose adjustment according to estimated glomerular filtration rate (eGFR). However, tenofovir alafenamide (TAF) has been approved to be highly effective and safe in patients with CHB, and is convenient in drug taking, i.e., once daily regardless food taking and renal function.Therefore,TAF can be a good option in CHB patients who are unsatisfied to ETV therapy. The aim of this prospective cohort study is to assess the improvement on satisfaction (including drug adherence) of TAF switch therapy in CHB patients who are unsatisfied to ETV therapy. In addition, with expected adherence improvement in TAF switch therapy, the efficacy of TAF switch therapy may be improved, and the efficacy benefits can be evaluated by the changes of some novel biomarkers, such as HBV core-related antigen (HBcrAg). The investigators therefore aim to conduct a prospective cohort study of TAF switch therapy for CHB patients who are unsatisfied to ETV therapy.

Key facts

Study ID

NCT05583006

Run by

Taichung Veterans General Hospital

People needed

60

Starts

2023-11-06

Expected to finish

2028-12-30

Last updated by the study team

2025-01-09

Who can join

Age: 20 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• At least 20 years of age
• Detectable serum HBsAg
• Chronic HBV infection under ETV therapy
• ETV users who are unsatisfied with the efficacy and/or feel inconvenient of ETV therapy
• No contraindications for TAF switch therapy
• HBV antiviral period expectancy for at least 1 year

You may not qualify if…

• End stage renal disease (estimated glomerular filtration rate [eGRF]< 15 mL/min/1.73m2) without dialysis
• Co-infected with human immunodeficiency virus, hepatitis C virus, or hepatitis D virus
• Any active malignancies
• Under immunosuppressants
• Known allergy to tenofovir-contained regimens

Where it is running

• Taichung Veterans General Hospital — Taichung, Taiwan, Taiwan (enrolling)

Full record on ClinicalTrials.gov

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