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Regeneron Pharmaceuticals (REGN) Advances Allergy Pipeline with Two Positive Phase 3 Trials Evaluating First-in-Class Antibody-Blockers of Cat and Birch Allergies

By Noor Ul Ain Rehman | September 17, 2025, 2:27 PM

Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) is one of best affordable biotech stocks to invest in now. Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) announced on September 8 the results evaluating “its first-in-class investigational allergen-blocking antibodies in allergen-challenge Phase 3 trials in adults with moderate-to-severe cat or birch allergies.”

Why Regeneron Pharmaceuticals, Inc. (REGN) Crashed Last Week

The results showed that both trials met their respective primary and key secondary endpoints, with data from the Phase 3 trials set to be presented at an upcoming medical conference.

Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) is a pharmaceutical company that develops, discovers, and commercializes therapies for several diseases, including cancer, eye disorders, and allergic conditions.

It has relied on two primary products to drive top-line growth in the past years: Dupixent and Eylea. Dupixent is an eczema treatment whose rights Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) shares with Sanofi. Eylea, which Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) comarkets with Bayer, treats wet age-related macular degeneration.

While we acknowledge the potential of REGN as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you’re looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

READ NEXT: 30 Stocks That Should Double in 3 Years and 11 Hidden AI Stocks to Buy Right Now.

Disclosure: None. This article is originally published at Insider Monkey.

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