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High materiality7/10

Kodiak DAYBREAK data challenge Regeneron's Eylea in wAMD amid Eylea HD uptake

Sep 28, 2026, 1:05 PM EDT1 sourcesAI-analyzed

Why it may matterVerify against the original reporting

Competitor DAYBREAK data showing non-inferiority to Eylea and a strong initial effect pressure REGN's leading position; combined with Eylea HD uptake and favorable regulatory context for rivals, it creates near-term downside risk for REGN stock.

AI summary

What happened, with direct paths to the underlying reporting

New DAYBREAK data show Kodiak's Zenkuda and tabirafusp-ted non-inferior to Eylea after one year, with strong early effects and a six-month dosing benchmark. FDA's Eylea HD approvals for RVO and ongoing pricing changes highlight ongoing competition and demand shifts. REGN shares weakened on the news despite Eylea HD growth.

Kodiak DAYBREAK: Zenkuda non-inferior to Eylea after year. Zenkuda shows strong initial effect.
FDA approves Eylea HD 8 mg for RVO with up to 8-week dosing.
2Q26 Eylea HD net sales up 52% to $596m.
2Q26 Eylea net product sales down 45% to $412m due to lower volumes.
REGN stock fell 3.45% to $760.83 on Monday.

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