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Review
. 2025 Aug;6(8):101076.
doi: 10.1016/j.lanmic.2025.101076. Epub 2025 Apr 9.

Hepatitis B virus resistance to nucleos(t)ide analogue therapy: WHO consultation on questions, challenges, and a roadmap for the field

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Free article
Review

Hepatitis B virus resistance to nucleos(t)ide analogue therapy: WHO consultation on questions, challenges, and a roadmap for the field

Sheila F Lumley et al. Lancet Microbe. 2025 Aug.
Free article

Abstract

In this Review, we summarise outputs from a multidisciplinary consultation convened by WHO between July 11 and 13, 2023, to discuss hepatitis B virus (HBV) drug resistance (HBVDR). Treatment of chronic HBV infection with highly effective nucleos(t)ide analogue agents, tenofovir and entecavir, is a crucial intervention that supports the global goal of elimination of HBV infection as a public health threat. The risk of HBVDR as a threat to treatment outcomes is currently considered low from a public health perspective; however, drug resistance can influence individual outcomes, particularly among those who are treatment-experienced. We highlight the need to develop appropriate prevention, monitoring, and surveillance approaches for HBVDR, to support investment in the global scale-up of HBV diagnosis and treatment. Recommendations for the HBVDR field will ultimately be incorporated into a WHO integrated Global Action Plan for drug-resistant HIV, viral hepatitis, and priority sexually transmitted infections.

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Conflict of interest statement

Declaration of interests PCM has received funding for a member of her team from GSK. WI has received research funding from Gilead Sciences and speaker and consultancy fees from Roche Diagnostics, Gilead Sciences, and Source Bioscience. CI has received research funding from Gilead Sciences paid to his institution and honorarium for presentations from the International Vaccine Institute. All these fundings are outside the scope of this paper. LSS and OS are staff members of PAHO. The authors alone are responsible for the views expressed in this publication, and they do not necessarily represent the decisions or policies of PAHO. All other authors declare no competing interests.

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