Dupixent® (dupilumab) significantly improved itch and hives in patients with chronic spontaneous urticaria, a step forward in demonstrating the role of type 2 inflammation in these patients
Dupixent® (dupilumab) significantly improved itch and hives in patients with chronic spontaneous urticaria, a step forward in demonstrating the role of type 2 inflammation in these patients
- Fifth disease that Dupixent has demonstrated positive pivotal results
- Phase 3 trial met its primary endpoints and all key secondary endpoints at 24 weeks, showing Dupixent nearly doubled reduction in itch and urticaria activity scores
- CSU results further demonstrate the potential of targeting IL-4 and IL-13 via IL-4Ra blockade in improving diseases with components of type 2 inflammation
- Approximately 300,000 people in the U.S. have moderate to severe CSU that does not respond adequately to antihistamines alone
- Data continue to support well-established safety profile of Dupixent
PARIS and TARRYTOWN, N.Y. – July 29, 2021 - A pivotal Phase 3 trial evaluating Dupixent® (dupilumab) in patients with moderate-to-severe chronic spontaneous urticaria (CSU), an inflammatory skin disease, met its primary endpoints and all key secondary endpoints at 24 weeks. Adding Dupixent to standard-of-care antihistamines significantly reduced itch and hives for biologic-naïve patients, compared to those treated with antihistamines alone (placebo) in Study A (the first of two trials) of the LIBERTY CUPID clinical program.
“The chronic nature of CSU, coupled with intense itch, causes both a physical and emotional burden on people who have not found an effective treatment,” said John Reed, M.D., Ph.D., Global Head of Research and Development at Sanofi. “This is the fifth inflammatory disease in which Dupixent has demonstrated a significant improvement in symptoms and disease manifestations in Phase 3 pivotal studies. The success of this trial underscores the agility of our clinical operations team considering the pandemic conditions and underscores our ability to deliver on an aggressive timeline for addressing a significant unmet need for this patient population.”
“This is the first Phase 3 trial to show that by targeting IL-4 and IL-13, Dupixent can address the debilitating symptoms of chronic spontaneous urticaria like persistent itch and hives when standard-of-care antihistamines cannot sufficiently control the disease,” said George D. Yancopoulos, M.D., Ph.D., President and Chief Scientific Officer at Regeneron. “These data add to the increasing body of evidence that using Dupixent can reduce the disease burden of a diverse range of dermatologic, respiratory and gastrointestinal diseases. By early 2022 we look forward to reporting results from a second trial in patients who were unable to control their chronic spontaneous urticaria with another biologic medicine, as well other trial results in additional dermatologic diseases.”
CSU is a chronic inflammatory skin disease characterized by the sudden onset of hives on the skin and/or swelling deep under the skin. Despite standard-of-care treatment, people with CSU often experience symptoms including a persistent itch or burning sensation, which can be debilitating and significantly impact quality of life. Swelling often occurs on the face, hands and feet, but can also affect the throat and upper airways. CSU is typically treated with antihistamines but for up to 50% of people living with CSU their disease remains uncontrolled and available treatment options are few. CSU is the fifth inflammatory disease for which Dupixent has achieved positive Phase 3 data, including atopic dermatitis, asthma, chronic rhinosinusitis with nasal polyposis and eosinophilic esophagitis (EoE, investigational).
In the trial (n=138), adding Dupixent to standard-of-care antihistamines nearly doubled the reduction in itch and urticaria activity compared to standard-of-care alone at 24 weeks:
- 63% reduction in itch severity with Dupixent vs 35% with standard-of-care (antihistamines) as measured by a 0-21-point itch severity scale (10.24-point reduction with Dupixent vs 6.01-point reduction with standard-of-care) (p<0.001), the primary endpoint in the US (secondary endpoint in the EU) with continuous improvement out to week 24.
- 65% reduction in urticaria activity (itch and hives) severity with Dupixent vs 37% with standard-of-care, as measured by a 0-42-point urticaria activity scale, (20.53-point reduction with Dupixent vs 12.00-point reduction with standard-of-care) (p<0.001), the primary endpoint in the EU (secondary endpoint in the US) with continuous improvement out to week 24.
The trial demonstrated safety results similar to the known safety profile of Dupixent in its approved indications. For the 24-week treatment period, the occurrence of treatment emergent adverse events were generally similar between the Dupixent and placebo groups (50% of Dupixent patients and 59% of placebo patients). The most common adverse events were injection site reactions (11% Dupixent, 13% placebo).
The potential use of Dupixent in CSU and EoE is currently under clinical development, and the safety and efficacy have not been fully evaluated by any regulatory authority.
About the Dupixent CUPID trial
Study A of the Phase 3 randomized, double-blind, placebo-controlled clinical program evaluated the efficacy and safety of Dupixent as an add-on therapy to standard-of-care H1 antihistamines compared to antihistamines in 138 patients aged 6 years and older with CSU who remained symptomatic despite antihistamine use and who were not previously treated with anti-IgE therapeutics.
The primary endpoints assessed the change from baseline in itch (measured by the weekly itch severity score [ISS7]) at 24 weeks and the change from baseline in itch and hives (measured by the weekly urticaria activity score [UAS7]) at 24 weeks.
Study B of the clinical trial will evaluate Dupixent in adults and adolescents who remain symptomatic despite standard-of-care treatment and are intolerant or incomplete responders to an anti-IgE therapeutic (omalizumab). That study is expected to read out in H1 2022. Sanofi and Regeneron plan to begin submissions in 2022. In addition to CSU, Sanofi and Regeneron are also studying Dupixent in chronic inducible urticaria triggered by cold (LIBERTY-CINDU CUrIADS program) in an ongoing Phase 3 trial.
Dupixent is a fully human monoclonal antibody that inhibits the signaling of the interleukin-4 (IL-4) and interleukin-13 (IL-13) pathways and is not an immunosuppressant. IL-4 and IL-13 are key and central drivers of the type 2 inflammation that plays a major role in asthma, chronic rhinosinusitis with nasal polyposis (CRSwNP), atopic dermatitis, eosinophilic esophagitis and may contribute to CSU.
In the United States and Europe, Dupixent is approved for patients 6 years and older with moderate-to-severe atopic dermatitis, patients 12 years and older with moderate-to-severe asthma, and in adults with uncontrolled CRSwNP. Dupixent is also approved in one or more of these indications in more than 60 countries around the world and more than 300,000 patients have been treated globally.
Dupilumab Development Program
To date, Dupixent has been studied across 50 clinical trials involving 10,000 patients with various chronic diseases driven by type 2 inflammation.
Sanofi and Regeneron are studying dupilumab in a broad range of diseases driven by type 2 inflammation or other allergic processes, including pediatric asthma (6 to 11 years of age, Phase 3), chronic obstructive pulmonary disease with evidence of type 2 inflammation (Phase 3), pediatric atopic dermatitis (6 months to 5 years of age, Phase 3), eosinophilic esophagitis (Phase 3), bullous pemphigoid (Phase 3), prurigo nodularis (Phase 3), chronic spontaneous urticaria (Phase 3), chronic inducible urticaria-cold (Phase 3), chronic rhinosinusitis without nasal polyposis (Phase 3), allergic fungal rhinosinusitis (Phase 3), allergic bronchopulmonary aspergillosis (Phase 3) and peanut allergy (Phase 2). These potential uses of dupilumab are currently under clinical investigation, and the safety and efficacy in these conditions have not been fully evaluated by any regulatory authority. Dupilumab is being jointly developed by Sanofi and Regeneron under a global collaboration agreement.
Regeneron (NASDAQ: REGN) is a leading biotechnology company that invents life-transforming medicines for people with serious diseases. Founded and led for over 30 years by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to nine FDA-approved treatments and numerous product candidates in development, almost all of which were homegrown in our laboratories. Our medicines and pipeline are designed to help patients with eye diseases, allergic and inflammatory diseases, cancer, cardiovascular and metabolic diseases, pain, hematologic conditions, infectious diseases and rare diseases.
Regeneron is accelerating and improving the traditional drug development process through our proprietary VelociSuite® technologies, such as VelocImmune®, which uses unique genetically humanized mice to produce optimized fully human antibodies and bispecific antibodies, and through ambitious research initiatives such as the Regeneron Genetics Center, which is conducting one of the largest genetics sequencing efforts in the world.
For additional information about the company, please visit www.regeneron.com or follow @Regeneron on Twitter.
Sanofi is dedicated to supporting people through their health challenges. We are a global biopharmaceutical company focused on human health. We prevent illness with vaccines, provide innovative treatments to fight pain and ease suffering. We stand by the few who suffer from rare diseases and the millions with long-term chronic conditions.
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