Enhanced protection of vision with ANX007 treatment in healthier eyes

Greater preservation of EZ in the central fovea by ANX007 in patients with less advanced GA

Pivotal Phase 3 ARCHER II Data Expected Second Half 2026

BRISBANE, Calif., Oct. 21, 2024 (GLOBE NEWSWIRE) — Annexon, Inc. (Nasdaq: ANNX), a biopharmaceutical company focused on upstream C1q to advance therapies for neuroinflammatory diseases of the body, brain and eye, today announced new findings from its Phase 2 ARCHER study for ANX007 in geographic atrophy (GA) due to dry age-related macular degeneration (AMD). ANX007 demonstrated enhanced protection of vision and greater preservation of central photoreceptor cells in a subpopulation of patients with less advanced disease as measured by the photoreceptor ellipsoid zone (EZ) in the central fovea. The data were presented at the American Academy of Ophthalmology (AAO) 2024 annual meeting. ANX007 is a first-in-kind, non-pegylated antigen-binding fragment (Fab) designed to block C1q locally in the eye with an intravitreal formulation.

“Photoreceptors near the foveal center are necessary for high acuity vision like reading an eye chart or seeing faces. Protecting these cells is essential to preserving vision and we are encouraged by ANX007’s consistent and robust effect on this structural element of the eye,” said Douglas Love, president and chief executive officer of Annexon. “We are further encouraged by ANX007’s more pronounced treatment effect on both preservation of vision and photoreceptors in patients with less advanced disease. Importantly, these Phase 2 data highlight the potential of ANX007 to deliver a differentiated benefit, particularly with earlier intervention in a neurodegenerative disease, and we are encouraged by the promise ANX007 holds to help millions of patients worldwide with dry AMD and GA.”

As previously described, in the randomized Phase 2 ARCHER trial, ANX007 demonstrated a visual function benefit consistently across multiple measures that was both dose and time dependent. This includes significant broad-based protection of vision in standard and low light conditions and significant protection of photoreceptors in the fovea region critical for visual acuity. These Phase 2 data are further reinforced in a subpopulation of patients with less advanced disease defined by low light visual acuity (LLVA)

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