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FDA accepts Dupixent® (dupilumab) for Priority Review in children aged 6 months to 5 years with moderate-to-severe atopic dermatitis

  • If approved, Dupixent will be the first biologic medicine available in the U.S. to treat uncontrolled moderate-to-severe atopic dermatitis for these young children

Paris and Tarrytown, N.Y., February 10, 2022. The U.S. Food and Drug Administration (FDA) has accepted for Priority Review the supplemental Biologics License Application (sBLA) for Dupixent® (dupilumab) as an add-on maintenance treatment for children aged 6 months to 5 years with moderate-to-severe atopic dermatitis whose disease is not adequately controlled with topical prescription therapies or when those therapies are not advisable. The target action date for the FDA decision on this investigational use is June 9, 2022. Dupixent remains the only biologic medicine approved for patients 6 years of age and older in this indication.

Atopic dermatitis is a chronic type 2 inflammatory skin disease, and 85 to 90% of patients develop symptoms (onset of disease) before 5 years of age, which can often continue through adulthood. Symptoms include intense, persistent itch and skin lesions that cover much of the body, resulting in skin dryness, cracking, pain, redness or darkening, and crusting and oozing, along with increased risk of skin infections. Moderate-to-severe atopic dermatitis may also significantly impact the quality of life of a young child, their parents and caregivers. Current treatment options in this age group are primarily topical steroids, which can be associated with safety risks and may impair growth when used long-term.

The sBLA is supported by data from the pivotal Phase 3 trial evaluating the efficacy and safety of Dupixent added to standard-of-care topical corticosteroids (TCS) in children aged 6 months to 5 years with uncontrolled moderate-to-severe atopic dermatitis. The trial met all primary and secondary endpoints, showing that Dupixent and TCS significantly improved skin clearance and reduced overall disease severity and itch at 16 weeks compared to TCS alone. Safety results were generally consistent with the safety profile of Dupixent in atopic dermatitis for patients aged 6 years and older. The most common adverse events that were more commonly observed with Dupixent included conjunctivitis and herpes viral infections. The use of Dupixent in children younger than 6 years of age with moderate-to-severe atopic dermatitis is currently under clinical investigation and its safety and efficacy have not been fully evaluated by any regulatory authority.

In 2016, the FDA granted Breakthrough Therapy designation for Dupixent for the treatment of severe atopic dermatitis (in children aged 6 months to 11 years).

About Dupixent
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 atopic dermatitis, asthma and chronic rhinosinusitis with nasal polyposis (CRSwNP).

In the U.S., Dupixent is approved in patients aged 6 years and older with uncontrolled moderate-to-severe atopic dermatitis; as an add-on maintenance treatment of patients aged 6 years and older with moderate-to-severe asthma characterized by an eosinophilic phenotype or with oral corticosteroid-dependent asthma; and for use with other medicines for the maintenance treatment of chronic rhinosinusitis with nasal polyposis (CRSwNP) in adults whose disease is not controlled.

Dupixent is also approved in Europe, Japan and other countries around the world for use in specific patients with moderate-to-severe atopic dermatitis and certain patients with asthma or CRSwNP in different age populations. Dupixent is approved in one or more of these indications in more than 60 countries around the world, and more than 350,000 patients have been treated globally.

Dupilumab Development Program
Dupilumab is being jointly developed by Sanofi and Regeneron under a global collaboration agreement. To date, dupilumab has been studied across 60 clinical trials involving more than 10,000 patients with various chronic diseases driven in part by type 2 inflammation.

In addition to the currently approved indications, Sanofi and Regeneron are studying dupilumab in a broad range of diseases driven by type 2 inflammation or other allergic processes, including pediatric atopic dermatitis (6 months to 5 years of age, Phase 3), chronic obstructive pulmonary disease with evidence of type 2 inflammation (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.

About Regeneron
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.

About Sanofi
We are an innovative global healthcare company, driven by one purpose: we chase the miracles of science to improve people’s lives. Our team, across some 100 countries, is dedicated to transforming the practice of medicine by working to turn the impossible into the possible. We provide potentially life-changing treatment options and life-saving vaccine protection to millions of people globally, while putting sustainability and social responsibility at the center of our ambitions.
Sanofi is listed on EURONEXT: SAN and NASDAQ: SNY

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