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MeiraGTx Receives Clinical Development Milestone Payment from Janssen

In This Article:

-MeiraGTx Receives $30 Million Cash Milestone Payment

-MeiraGTx, in Collaboration with Janssen Pharmaceuticals, Inc., is Now Dosing Patients in the Phase 3 Lumeos Clinical Trial in X-linked Retinitis Pigmentosa

-MeiraGTx Remains Eligible for Further Development and Commercial Milestones Related to botaretigene sparoparvovec (AAV-RPGR), as well as for AAV-CNGB3 and AAV-CNGA3

LONDON and NEW YORK, Jan. 27, 2022 (GLOBE NEWSWIRE) -- MeiraGTx Holdings plc (NASDAQ:MGTX), a vertically integrated, clinical stage gene therapy company, today announced that it has received a $30 million payment from Janssen Pharmaceuticals, Inc. (Janssen), part of the Janssen Pharmaceutical Companies of Johnson & Johnson, for a clinical milestone in the Phase 3 Lumeos trial of botaretigene sparoparvovec (AAV-RPGR), an investigational gene therapy for the treatment of X-linked retinitis pigmentosa (XLRP). The Phase 3 Lumeos trial is a global study of botaretigene sparoparvovec which is now dosing participants.

MeiraGTx and Janssen are jointly developing botaretigene sparoparvovec as part of a broader collaboration to develop and commercialize gene therapies for the treatment of inherited retinal diseases. MeiraGTx remains eligible to receive additional development and commercial milestones for botaretigene sparoparvovec as well as for other programs as part of the collaboration agreement.

“XLRP is one of the most common and severe forms of retinitis pigmentosa, with no approved treatment options, and with most patients completely losing sight by the fourth decade of their lives,” said Alexandria Forbes, Ph.D., President and Chief Executive Officer of MeiraGTx. “We are very pleased with the progress made in the Lumeos study and are working closely with our collaboration partner Janssen, the regulatory agencies, and patient and clinical communities to advance botaretigene sparoparvovec toward regulatory approval.”

About Botaretigene Sparoparvovec
Botaretigene sparoparvovec, formerly referred to as AAV-RPGR, is an investigational gene therapy for the treatment of patients with XLRP caused by disease-causing variants in the eye-specific form of the RPGR gene (RPGR ORF15). Botaretigene sparoparvovec is designed to deliver functional copies of the RPGR gene to the retina in order to improve and preserve vision. The Lumeos trial (NCT04671433) is a Phase 3 randomized, controlled study of botaretigene sparoparvovec for the treatment of XLRP associated with variants in the RPGR gene. Botaretigene sparoparvovec has been granted Fast Track and Orphan Drug designations by the FDA and PRIority MEdicines (PRIME), Advanced Therapy Medicinal Product (ATMP) and Orphan designations by the European Medicines Agency (EMA).