Finance

GSK licenses liver disease drug to Italy's Alfasigma for up to $690 million

Published by Global Banking & Finance Review

Posted on March 9, 2026

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· Last updated: April 1, 2026

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GSK licenses liver disease drug to Italy's Alfasigma for up to $690 million
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March 9 (Reuters) - GSK said on Monday it will receive up to $690 million from Italian pharmaceutical company Alfasigma for the worldwide rights to linerixibat, an experimental treatment for severe

GSK Secures Up To $690M From Alfasigma for Licencing Liver Disease Drug

GSK and Alfasigma Strike Major Licensing Deal for Linerixibat

Overview of the Agreement

March 9 (Reuters) - GSK said on Monday it will receive up to $690 million from Italian pharmaceutical company Alfasigma for the worldwide rights to linerixibat, an experimental treatment for severe itching in patients with a rare liver disease.

About Linerixibat and Target Disease

The drug treats cholestatic pruritus, a relentless internal itch affecting patients with primary biliary cholangitis (PBC), an autoimmune disease where the body's immune system attacks bile ducts in the liver.

Financial Terms of the Deal

Upfront and Milestone Payments

Alfasigma will pay GSK $300 million upfront plus another $100 million upon expected U.S. approval by March 24. It will pay $20 million when European and UK regulators approve the drug.

Sales Milestones and Royalties

GSK is also eligible for up to $270 million in sales milestones and will earn tiered double-digit royalties on worldwide sales from Alfasigma, which already markets treatments for liver diseases across more than 100 countries.

Reporting Credits

(Reporting by Raechel Thankam Job in Bengaluru; Editing by Mrigank Dhaniwala and Janane Venkatraman)

Key Takeaways

  • Linerixibat targets cholestatic pruritus in PBC and holds orphan drug designations in US, EU, and Japan, with regulatory reviews underway globally (gsk.com)
  • The alliance allows GSK to sharpen focus on its broader hepatology pipeline (e.g. chronic HBV, MASH, ALD), while leveraging Alfasigma’s expertise and global footprint (gsk.com)
  • The GLISTEN Phase III trial demonstrated rapid, significant and sustained improvement in itch and sleep interference, forming the basis for regulatory submissions (gsk.com)

References

Frequently Asked Questions

What is the value of the GSK and Alfasigma liver disease drug deal?
GSK will receive up to $690 million from Alfasigma for the worldwide rights to its liver disease drug, linerixibat.
What condition does linerixibat treat?
Linerixibat is an experimental treatment for cholestatic pruritus, a severe itching problem in patients with primary biliary cholangitis (PBC).
What payments will GSK receive as part of the deal?
GSK will get $300 million upfront, $100 million upon expected US approval, $20 million after European and UK approvals, up to $270 million in sales milestones, and tiered royalties.
Who is Alfasigma and what is its expertise?
Alfasigma is an Italian pharmaceutical company with a global footprint, marketing liver disease treatments in over 100 countries.
What regulatory milestones are linked to the deal?
Additional milestone payments depend on drug approval in the US by March 24 and after approval from European and UK regulators.

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