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Eli Lilly signs deal for MeiraGTx's gene therapy for severe eye disease

Published by Global Banking & Finance Review

Posted on November 10, 2025

2 min read

· Last updated: January 21, 2026

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Eli Lilly signs deal for MeiraGTx's gene therapy for severe eye disease
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(Reuters) -MeiraGTx Holdings has signed a deal with Eli Lilly, potentially worth over $475 million, granting the pharma giant rights to its experimental gene therapy for a rare, inherited disorder

Eli Lilly Secures Gene Therapy Rights from MeiraGTx for Eye Disease

Eli Lilly's Strategic Move in Gene Therapy

(Reuters) -MeiraGTx Holdings has signed a deal with Eli Lilly, potentially worth over $475 million, granting the pharma giant rights to its experimental gene therapy for a rare, inherited disorder that causes severe vision loss from birth.

Details of the Deal

Shares of the gene therapy developer rose 12.5% to $9.55 in premarket trading on Monday after the news.

About AAV-AIPL1 Therapy

Under the deal, MeiraGTx will get an upfront payment of $75 million and potentially over $400 million more in milestone payments. MeiraGTx is also eligible to receive tiered royalties on licensed products.

Market Reaction and Future Implications

This marks Lilly's latest effort to tap the market for eye treatments and bolster its focus on gene therapies, after signing a deal valued at up to $261.7 million to buy gene therapy developer Adverum Biotechnologies in October. Adverum is developing an eye injection for wet age-related macular degeneration, or wAMD, a leading cause of blindness among the elderly.

MeiraGTx's experimental therapy, AAV-AIPL1, is being studied to treat one of the most severe forms of Leber congenital amaurosis 4, caused by mutations in the AIPL1 gene, and is delivered via subretinal injection to children.

Through a one-time administration, AAV-AIPL1 is designed to deliver functional copies of the AIPL1 gene to photoreceptors in the retina, to restore vision.

Lilly will also receive worldwide exclusive rights to MeiraGTx's gene therapy technologies for use in ophthalmology and gains certain rights to its proprietary riboswitch technology for use in gene editing in the eye.

(Reporting by Sahil Pandey in Bengaluru; Editing by Sahal Muhammed)

Key Takeaways

  • Eli Lilly signs a deal with MeiraGTx for gene therapy.
  • The deal is potentially worth over $475 million.
  • MeiraGTx's therapy targets severe Leber congenital amaurosis.
  • Lilly gains exclusive rights to ophthalmology gene therapies.
  • The agreement includes upfront and milestone payments.

Frequently Asked Questions

What is a milestone payment?
A milestone payment is a payment made upon the achievement of a specific event or goal in a contract. It is often used in business agreements to incentivize progress.
What is a royalty in business?
A royalty is a payment made to the owner of a property or patent for the right to use that property or patent. It is typically a percentage of revenue generated from the use.

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