Ionis hits seven-year high after partner GSK reveals promising hepatitis B trial results
** Drugmaker Ionis Pharmaceuticals' IONS.O shares rise 4.8% to $85.41, hitting a nearly seven-year high ** Co's partner GSK GSK.L announces positive results for hepatitis B therapy in late-stage trial ** The drug, licensed from IONS, blocks replication of the hepatitis B virus and reduces production of proteins linked to the infection ** The drug could generate over 2 billion pounds ($2.70 billion) in annual sales, says GSK ** GSK plans to file for regulatory approval in first quarter of 2026 ** IONS stock price more than doubled in 2025 (Reporting by Utkarsh Tushar Hathi) ((utkarshtushar.hathi@thomsonreuters.com))
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