Update on FDA priority review of Dupixent for the treatment of COPD patients with type 2 inflammation
Paris and Tarrytown, NY May 31, 2024. The US Food and Drug Administration (FDA) has extended by three months the target action date of its priority review of the supplemental Biologics License Application (sBLA) for Dupixent (dupilumab) as an add-on maintenance treatment in certain adult patients with uncontrolled chronic obstructive pulmonary disease (COPD). The revised target action date is September 27, 2024. The FDA did not raise any concerns regarding the approvability of Dupixent for this indication.
The FDA had requested additional efficacy analyses on the efficacy of Dupixent in the BOREAS and NOTUS pivotal trials. Based on the submission of these analyses earlier in May, the agency has now determined that this additional information constituted a major amendment to the sBLA and extended the target action date accordingly.
Sanofi and Regeneron are confident that the additional analyses strongly support the approval of Dupixent in COPD with evidence of type 2 inflammation, and are committed to working with the FDA to bring Dupixent to patients living with uncontrolled COPD as quickly as possible.
Additionally, submissions for Dupixent in COPD are currently under review with regulatory authorities around the world, including the European Union and China. Recently, the European Medicines Agency’s (EMA) Committee for Medicinal Products for Human Use (CHMP) adopted a positive opinion and recommended the approval of Dupixent as an add-on maintenance treatment in adults with uncontrolled COPD characterized by raised blood eosinophils. The potential use of Dupixent in COPD is currently under clinical development, and the safety and efficacy have not been fully evaluated by any regulatory authority.
About BOREAS and NOTUS Trials
The sBLA is supported by data from the landmark BOREAS and NOTUS phase 3 studies evaluating the efficacy and safety of Dupixent in adults who were current or former smokers with uncontrolled COPD with type 2 inflammation (measured by blood eosinophils ≥300 cells/microliter). All patients were on background maximal standard-of-care inhaled therapy (nearly all on triple therapy). The primary endpoint was met in both studies, showing Dupixent significantly reduced annualized moderate or severe acute COPD exacerbations by up to 34%, compared to placebo. Dupixent rapidly and significantly improved lung function compared to placebo, with improvements sustained at 52 weeks.
Safety results in both studies were generally consistent with the known safety profile of Dupixent in its approved indications. Adverse events more commonly observed with Dupixent (≥5%) compared to placebo in either study were back pain, COVID-19, diarrhea, headache and nasopharyngitis.
About COPD
COPD is a respiratory disease that damages the lungs and causes progressive lung function decline. Symptoms include persistent cough, excessive mucus production and shortness of breath that may impair the ability to perform routine daily activities, which may lead to sleep disturbances, anxiety and depression. COPD is also associated with a significant health and economic burden due to recurrent acute exacerbations that require systemic corticosteroid treatment and/or lead to hospitalization. Smoking and exposure to noxious particles are key risk factors for COPD, but even individuals who quit smoking can still develop or continue having the disease. There have been no new treatment approaches approved for more than a decade. In the US, approximately 300,000 people live with uncontrolled COPD with evidence of type 2 inflammation.
About Sanofi and Regeneron’s COPD Clinical Research Program
Sanofi and Regeneron are motivated to transform the treatment paradigm of COPD by examining the role different types of inflammation play in the disease progression through the investigation of two potentially first-in-class biologics, Dupixent and itepekimab.
Dupixent inhibits the signaling of the interleukin-4 (IL-4) and interleukin-13 (IL-13) pathways and the program focuses on a specific population of people with evidence of type 2 inflammation. Itepekimab is a fully human monoclonal antibody that binds to and inhibits interleukin-33 (IL-33), an initiator and amplifier of broad inflammation in COPD.
Itepekimab is currently under clinical investigation, with two phase 3 studies currently enrolling, and its safety and efficacy have not been evaluated by any regulatory authority.
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. The Dupixent development program has shown significant clinical benefit and a decrease in type 2 inflammation in phase 3 studies, establishing that IL-4 and IL-13 are key and central drivers of the type 2 inflammation that plays a major role in multiple related and often co-morbid diseases. These diseases include approved indications for Dupixent, such as atopic dermatitis, asthma, chronic rhinosinusitis with nasal polyposis (CRSwNP), eosinophilic esophagitis (EoE), prurigo nodularis and chronic spontaneous urticaria (CSU).
Dupixent has received regulatory approvals in one or more countries around the world for use in certain patients with atopic dermatitis, asthma, CRSwNP, EoE, prurigo nodularis and CSU in different age populations. Dupixent is currently approved for one or more of these indications in more than 60 countries, including in Europe, the US and Japan. More than 850,000 patients are being treated with Dupixent 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 more than 60 clinical studies 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 in phase 3 studies, including chronic spontaneous urticaria, chronic pruritus of unknown origin, chronic obstructive pulmonary disease with evidence of type 2 inflammation and bullous pemphigoid. 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, develops and commercializes life-transforming medicines for people with serious diseases. Founded and led by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to numerous approved treatments and product candidates in development, most 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, neurological diseases, hematologic conditions, infectious diseases, and rare diseases.
Regeneron pushes the boundaries of scientific discovery and accelerates drug development using our proprietary technologies, such as VelociSuite®, which produces optimized fully human antibodies and new classes of bispecific antibodies. We are shaping the next frontier of medicine with data-powered insights from the Regeneron Genetics Center® and pioneering genetic medicine platforms, enabling us to identify innovative targets and complementary approaches to potentially treat or cure diseases.
For more information, please visit www.Regeneron.com or follow Regeneron on LinkedIn, Instagram, Facebook or X.
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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