Abstract
Background
We aimed to compare the one-year retreatment efficacy and renal safety of entecavir, tenofovir disoproxil fumarate (TDF), and tenofovir alafenamide (TAF) after HBV relapse in patients who discontinued entecavir or TDF.
Methods
This retrospective study included 289 chronic hepatitis B (CHB) patients without cirrhosis who received entecavir (n = 93), TDF (n = 103), or TAF (n = 86) retreatment for at least 12 months after entecavir or TDF cessation.
Results
The rate of virological response (HBV DNA < 20 IU/mL) at 12 months of retreatment was 79/93 (84.9%) in the entecavir group, 92/103 (89.3%) in the TDF group, and 72/86 (83.7%) in the TAF group. The rate of ALT normalization (ALT ≤ 40 U/L) after 12 months of retreatment was 76/93 (81.7%) in the entecavir group, 77/103 (74.7%) in the TDF group , and 73/86 (84.9%) in the TAF group. There was no significant difference in the rates of virological response (p = 0.495) and ALT normalization (p = 0.198) among the three groups. Multivariate analysis showed that lower HBV DNA and HBsAg levels at baseline were independently associated with virological response at 12 months of retreatment. The TDF group (37.8 ± 34.8 U/L) had higher ALT levels at 12 months of retreatment than the TAF (27. ± 17.9 U/L, p = 0.015) and entecavir (28.3 ± 19.3 U/L, p = 0.022) groups. In patients with eGFR 60–90 mL/min/1.73 m2, eGFR change between baseline and 12 months of retreatment increased in the entecavir and TAF groups and decreased in the TDF group.
Conclusions
TAF could be one of the retreatment options for retreatment of HBV relapse after entecavir or TDF cessation.
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Abbreviations
- ALT:
-
Alanine aminotransferase
- eGFR:
-
Estimated Glomerular filtration rate
- HBV:
-
Hepatitis B virus
- HBeAg:
-
Hepatitis B e antigen
- HBsAg:
-
Hepatitis B surface antigen
- CHB:
-
Chronic hepatitis B
- NA:
-
Nucleoside analogues
- HCC:
-
Hepatocellular carcinoma
- TAF:
-
Tenofovir alafenamide
- TDF:
-
Tenofovir disoproxil fumarate
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Acknowledgments
This study was supported by grants NMRPG8G6102 from the Ministry of Science and Technology and CMRPG8F0221 from the Chang Gung Memorial Hospital, Taiwan.
Funding
Ministry of Science and Technology, Taiwan, NMRPG8G6102, Chien-Hung Chen, Chang Gung Memorial Hospital, CMRPG8F0221, Chien-Hung Chen.
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Chiu, SM., Chang, KC., Hu, TH. et al. Retreatment Efficacy and Renal Safety of Tenofovir Alafenamide, Entecavir, and Tenofovir Disoproxil Fumarate After Entecavir or Tenofovir Cessation. Dig Dis Sci 68, 665–675 (2023). https://doi.org/10.1007/s10620-022-07657-8
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DOI: https://doi.org/10.1007/s10620-022-07657-8