Analysts see chronic HCB market doubling as functional cures near

3 December 2025

GlobalData expects the chronic hepatitis B therapeutics market across major markets to climb from $1.5 billion in 2024 to $3.2 billion in 2034. The projection reflects rising investment in functional cure candidates, which could shift treatment away from long-term antiviral suppression.

Today’s market is anchored by daily antivirals such as Vemlidy (tenofovir alafenamide) from Gilead Sciences (Nasdaq: GILD), entecavir, and Viread (tenofovir disoproxil fumarate). These drugs maintain viral control but require lifelong use, often weighing on adherence. Global sales for hepatitis B treatments were around $3.57 billion in 2024.

Analyst Stephanie Kurdach said none of the late-stage candidates follow the established nucleos(t)ide analogue approach. Instead, pharmaceutical companies have tilted toward immune and RNA-based mechanisms that aim to meaningfully reduce viral antigens and restore natural immune responses.

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