Genentech BLA for Wet AMD Implant Submitted

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FDA has accepted for priority review a Genentech BLA for its Port Delivery System with ranibizumab (PDS) for treating wet, or neovascular, age-related macular degeneration (AMD). Wet AMD is a leading cause of blindness for people aged 60 and over and affects about 1.1 million people in the U.S., according to the company. Ranibizumab, which is the active ingredient in the company’s Lucentis, is a vascular endothelial growth factor (VEGF) inhibitor designed to bind to and inhibit VEGF-A, a protein that is believed to play a critical role in the formation of new blood vessels (angiogenesis) and the hyperpermeability (leakiness) of the vessels, Genentech says.

 

If approved, PDS would be a first-of-its-kind therapeutic approach, and offer an alternative to frequent eye injections, the company says. The permanent refillable eye implant is about the size of a grain of rice that is designed to continuously deliver a customized formulation of ranibizumab over several months, it says.

 

The submission is based on positive results from the Phase 3 Archway study, which showed that those being treated with PDS, more than 98% were able to go six months without needing additional treatment prior to the refill exchange, Genentech says. Study patients also achieved vision outcomes equivalent to patients receiving monthly ranibizumab eye injections.

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