Dupixent Approved in EU for CSU Treatment
Regeneron Pharmaceuticals and Sanofi have received approval for Dupixent in the EU as the first innovative treatment for chronic spontaneous urticaria (CSU). This approval fills a significant gap in treatment options that has persisted for over a decade, promising to enhance the quality of life for approximately 270,000 patients in the region.
The approval is based on the successful LIBERTY-CUPID Phase 3 clinical trials, which demonstrated significant reductions in urticaria activity over 24 weeks. This positions Dupixent as a first-line treatment option for patients who have not adequately responded to standard antihistamine therapies.
With the introduction of Dupixent, Regeneron and Sanofi are poised to capture a substantial share of the market, addressing the needs of patients who have been underserved by existing treatments. The safety profile of Dupixent aligns with known characteristics, ensuring its acceptability in clinical use.
This development not only represents a breakthrough for patients but also signals potential revenue growth for Regeneron as they expand their market presence in chronic inflammatory diseases.
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- Successful Trials: AstraZeneca's experimental drug tozorakimab met its targets in two late-stage clinical trials, significantly reducing flare-ups in chronic obstructive pulmonary disease (COPD) patients, leading to a nearly 5% increase in the company's stock price.
- Massive Market Potential: With approximately 400 million people diagnosed with COPD globally, AstraZeneca forecasts peak annual sales for tozorakimab between $3 billion and $5 billion, far exceeding the pre-trial market estimate of $1 billion, highlighting its substantial commercial potential.
- Scientific Breakthrough: The trial results represent the first successful confirmatory Phase III trials for an IL-33 biologic, with AstraZeneca's executive vice president noting the significant scientific implications for COPD treatment strategies.
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- Patent Expiration Impact: Regeneron's Eylea drug losing patent exclusivity has led to revenue pressures, yet the company's long-term returns remain solid, indicating market confidence in its future prospects.
- Sales Growth of Key Products: Dupixent, Regeneron's flagship product, is expected to continue growing through the early 2030s, particularly in treating conditions like wet age-related macular degeneration, which will help boost company revenues.
- Advancements in Drug Development: Regeneron is working on a gene therapy for genetic hearing loss, which could launch in the coming years if clinical trial data is favorable, further enriching its product portfolio and driving sales growth.
- Weight Loss Market Strategy: The company is developing two new products in the weight loss sector, with one candidate showing promising results in a phase 3 study in China, potentially positioning Regeneron as a notable player in the rapidly expanding weight loss market.
- Patent Expiration Impact: Regeneron's Eylea lost patent exclusivity, and while the stock has risen 35% recently, its long-term performance remains constrained, highlighting the company's challenges in navigating patent cliffs.
- Dupixent Sales Growth: As Regeneron's most important product, Dupixent is expected to continue growing through 2030, particularly in treating conditions like wet age-related macular degeneration, thereby enhancing the company's market position.
- New Drug Development Progress: Regeneron is working on a gene therapy for genetic hearing loss, which could launch in the coming years if clinical trial data is favorable, further enriching its product portfolio and driving sales growth.
- Weight Loss Drug Market Potential: The company is making strides in the weight loss drug market with two new products, particularly a GLP-1 medicine that performed well in a phase 3 study in China, potentially positioning Regeneron as a notable player in this rapidly growing sector.
- New Indication Approval: The Ministry of Health, Labour and Welfare in Japan has approved Dupixent (dupilumab) for the treatment of moderate-to-severe bullous pemphigoid, marking the seventh approved indication for the drug in Japan and reinforcing its market position in dermatology.
- Clinical Trial Support: This approval is based on data from the LIBERTY-BP-ADEPT Phase 2/3 trial, demonstrating Dupixent's efficacy in improving patient symptoms, providing a strong scientific basis for its promotion in Japan.
- Market Reaction: Following this announcement, Sanofi's shares fell by 1.23% to €76.83, reflecting market caution regarding the new drug approval, which may impact short-term shareholder confidence.
- Strategic Implications: The multiple indications for Dupixent not only enhance Sanofi's competitiveness in immunotherapy but also have the potential to drive sales growth in the Japanese market, further expanding the company's influence in the global biopharmaceutical landscape.
- Approval in Japan: Dupixent (dupilumab) has been granted marketing authorization by Japan's Ministry of Health, Labour and Welfare as the first targeted therapy for adults with moderate-to-severe bullous pemphigoid (BP), marking a significant advancement in the dermatology sector.
- Clinical Trial Results: In the LIBERTY-BP-ADEPT study, 18% of Dupixent patients achieved sustained remission at Week 36, compared to only 4% in the placebo group (p=0.0250), demonstrating its superior efficacy in treating BP.
- Safety Data: Among Dupixent patients, 26% reported treatment-related adverse events, with conjunctivitis being the most common at 4%, indicating a need for ongoing monitoring of the risk-benefit profile.
- Market Potential: This approval represents the seventh indication for Dupixent in Japan, which is expected to further enhance its acceptance in over 60 countries globally, strengthening the company's competitive position in the immunotherapy market.











