Novartis Brolucizumab BLA for Macular Degeneration

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FDA has accepted a Novartis BLA for brolucizumab (RTH258) for treating wet age-related macular degeneration (AMD), also known as neovascular AMD. The company used a six-month priority review voucher to expedite FDA’s review.

 

The submission is based on Phase 3 data from the HAWK and HARRIER trials. The primary endpoint of these studies was non-inferiority to Regeneron’s aflibercept (Eylea) in mean change in best-corrected visual acuity from baseline to week 48. Additionally, the company says that at week 48 in the studies, key secondary endpoint assessments showed significantly fewer brolucizumab patients with disease activity (23.5% of brolucizumab 6 mg patients versus 33.5% of aflibercept patients in HAWK, and 21.9% versus 31.4%, respectively, in HARRIER.

 

Brolucizumab is a humanized single-chain antibody fragment and the most clinically advanced fragment to reach this stage of development, Novartis says. “Single-chain antibody fragments are highly sought after in drug development due to their small size, enhanced tissue penetration, rapid clearance from systemic circulation and drug delivery characteristics,” it says.

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