Dupixent® (dupilumab) Long-term Data Show Sustained Improvement in Lung Function and Reduction in Severe Exacerbations in Adults and Adolescents with Moderate-to-severe Asthma
TARRYTOWN, N.Y. and PARIS, Sept. 8, 2020 /PRNewswire/ --
With more than 2,200 patients enrolled, Phase 3 open-label extension trial is the largest of a biologic medicine ever conducted in asthma
Data up to three years to be presented at the 2020 ERS International Congress also show a safety profile consistent with pivotal asthma trials
Dupixent is the only biologic to demonstrate sustained improvements in lung function and asthma exacerbations across a broad patient population with type 2 inflammation
Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) and Sanofi today announced new results from a Dupixent® (dupilumab) Phase 3 open-label extension trial that showed the safety and efficacy profile observed in previous Dupixent trials was maintained for up to three years in adults and adolescents with moderate-to-severe asthma. Data from the trial will be presented during a live session at the virtual 2020 European Respiratory Society (ERS) International Congress.
"These data suggest Dupixent may slow the progressive decline in lung function that many patients with moderate-to-severe asthma experience, as shown by the sustained improvement in lung function for up to three years. Further, patients on Dupixent maintained asthma control and reduced rates of severe asthma attacks that may result in hospitalizations," said Michael Wechsler, M.D., M.M.Sc., Director of the National Jewish Cohen Family Asthma Institute in Denver, Colorado, and principal investigator of the trial. "This reinforces the importance of Dupixent as a continuous, long-term treatment option to improve patients' ability to breathe and maintain control of their asthma, particularly in those with higher markers of underlying type 2 inflammation."
The analyses to be presented at ERS included more than 2,200 patients who previously participated in Dupixent asthma trials, including three pivotal trials that lasted between 24 and 52 weeks. Patients entered the extension trial after finishing active treatment or placebo in the initial trials and were treated for up to an additional two years, providing up to three years of treatment data in total. The safety analyses included patients from all three pivotal asthma trials, and the efficacy and biomarker analyses included patients who were not dependent on oral corticosteroids (OCS) from the pivotal Phase 2b and Phase 3 QUEST trials. Additional long-term efficacy data in OCS-dependent patients will be presented at a later congress. Results showed:
- Lung function: Patients continued to experience improvement in lung function by 13-22% at 96 weeks, as measured by the average change in forced expiratory volume over one second (FEV1) compared to baseline for the initial asthma trials.
- Asthma attacks: Patients maintained a low rate of severe asthma attacks (unadjusted annualized severe exacerbation rate) with an average of 0.31-0.35 events per year. In the year prior to commencing Dupixent trials, the rate of severe asthma attacks was 2.09-2.17 events per year.
- Type 2 inflammation: Improvements in lung function and asthma attacks were greater in those with elevated baseline blood eosinophils or fractional exhaled nitric oxide (FeNO), which are markers of type 2 inflammation. In these long-term results, patients showed reductions in blood eosinophils (23-35%) and in blood IgE for patients from the pivotal Phase 2b trial (82%) compared to baseline for the initial asthma trials.
- The proportion of patients with adverse events (AEs) in the open label extension trial was similar to that seen in prior pivotal trials of Dupixent in asthma. Over the 96-week treatment period, overall AE rates were 76-88%, and the most common AEs were nasopharyngitis (18-26%) and injection-site erythema (2-23%). Overall serious AEs were experienced by 9-13% of patients.
Dupixent is a fully-human monoclonal antibody that inhibits the signaling of the interleukin-4 (IL-4) and interleukin-13 (IL-13) proteins. Data from Dupixent clinical trials have shown that IL-4 and IL-13 are key drivers of the type 2 inflammation that plays a major role in asthma, chronic rhinosinusitis with nasal polyposis (CRSwNP) and atopic dermatitis. Across all approved indications globally, more than 170,000 patients have been treated with Dupixent.
About the LIBERTY ASTHMA TRAVERSE OLE Trial
The Phase 3, multicenter, open-label extension trial evaluated long-term safety and efficacy of Dupixent treatment in 2,282 adults and adolescents with moderate-to-severe asthma who had previously participated in a controlled Dupixent clinical trial, including the pivotal Phase 2b DRI (24 weeks) and Phase 3 QUEST (52 weeks) trials in patients with moderate-to-severe asthma and the Phase 3 VENTURE (24 weeks) trial in patients with severe OCS-dependent asthma. Patients in the open-label extension trial received 300 mg Dupixent every other week for up to 96 weeks in addition to standard-of-care maintenance therapies. The primary endpoints were the number and proportion of patients experiencing any AEs at up to 96 weeks. Secondary endpoints included mean change in FEV1 and annualized severe exacerbation rate. Type 2 inflammation was defined as FeNO (≥25 ppb) or blood eosinophils (≥150 cells/μL) at initial trial baseline. Data at ERS are presented as a range of mean values for those treated with placebo and Dupixent in each of the initial pivotal trials.
Dupixent is approved in the U.S. for use with other asthma medicines for the maintenance treatment of moderate-to-severe eosinophilic or oral steroid dependent asthma in patients aged 12 years and older whose asthma is not controlled with their current asthma medicines. In the EU, Dupixent is approved for adults and adolescents 12 years and older as an add-on maintenance treatment for severe asthma with type 2 inflammation characterized by raised blood eosinophils and/or raised FeNO, who are inadequately controlled with high dose inhaled corticosteroid (ICS) plus another medicinal product for maintenance treatment. Dupixent is also approved for use in certain patients with asthma in Japan and other countries around the world.
Dupixent is approved for additional uses in certain patients with atopic dermatitis and CRSwNP in the U.S., EU and Japan, as well as other countries around the world. In adolescents 12 years of age or older, it is recommended that Dupixent be administered by or under the supervision of an adult. In children younger than 12 years of age, Dupixent should be administered by a caregiver.
Dupixent was invented using Regeneron's VelocImmune® technology that utilizes a proprietary genetically-engineered mouse platform endowed with a genetically-humanized immune system to produce optimized fully-human antibodies. VelocImmune technology has been used to create multiple antibodies including Libtayo® (cemiplimab-rwlc), Praluent® (alirocumab) and Kevzara® (sarilumab), which are approved in multiple countries around the world. Regeneron previously used these technologies to rapidly develop a treatment for Ebola virus infection, which is currently under review by the FDA, and to create REGN-COV2, a potentially preventative and therapeutic medicine for COVID-19.
Dupilumab Development Program
To date, dupilumab has been studied in more than 10,000 patients across 50 clinical trials in various chronic diseases driven in part by type 2 inflammation. In addition to the currently approved indications, Regeneron and Sanofi are also studying dupilumab in a broad range of clinical development programs for diseases driven by allergic and other type 2 inflammation, including pediatric asthma (6-11 years of age, Phase 3), pediatric atopic dermatitis (6 months to 5 years of age, Phase 3), eosinophilic esophagitis (Phase 3), chronic obstructive pulmonary disease (Phase 3), bullous pemphigoid (Phase 3), prurigo nodularis (Phase 3), chronic spontaneous urticaria (Phase 3), and food and environmental allergies (Phase 2). These potential uses are investigational, and their safety and efficacy have not been evaluated by any regulatory authority. Dupilumab is being jointly developed by Regeneron and Sanofi under a global collaboration agreement.
DUPIXENT is a prescription medicine used:
- to treat people aged 6 years and older with moderate-to-severe atopic dermatitis (eczema) that is not well controlled with prescription therapies used on the skin (topical), or who cannot use topical therapies. DUPIXENT can be used with or without topical corticosteroids. It is not known if DUPIXENT is safe and effective in children with atopic dermatitis under 6 years of age.
- with other asthma medicines for the maintenance treatment of moderate-to-severe eosinophilic or oral steroid dependent asthma in people aged 12 years and older whose asthma is not controlled with their current asthma medicines. DUPIXENT helps prevent severe asthma attacks (exacerbations) and can improve your breathing. DUPIXENT may also help reduce the amount of oral corticosteroids you need while preventing severe asthma attacks and improving your breathing. DUPIXENT is not used to treat sudden breathing problems. It is not known if DUPIXENT is safe and effective in children with asthma under 12 years of age.
- with other medicines for the maintenance treatment of chronic rhinosinusitis with nasal polyposis (CRSwNP) in adults whose disease is not controlled. It is not known if DUPIXENT is safe and effective in children with chronic rhinosinusitis with nasal polyposis under 18 years of age.
IMPORTANT SAFETY INFORMATION FOR U.S. PATIENTS
Do not use if you are allergic to dupilumab or to any of the ingredients in DUPIXENT®.
Before using DUPIXENT, tell your healthcare provider about all your medical conditions, including if you:
- have eye problems
- have a parasitic (helminth) infection
- are scheduled to receive any vaccinations. You should not receive a "live vaccine" if you are treated with DUPIXENT.
- are pregnant or plan to become pregnant. It is not known whether DUPIXENT will harm your unborn baby.
- There is a pregnancy exposure registry for women who take DUPIXENT during pregnancy to collect information about the health of you and your baby. Your healthcare provider can enroll you or you may enroll yourself. To get more information about the registry call 1–877-311-8972 or go to https://mothertobaby.org/ongoing-study/dupixent/.
- are breastfeeding or plan to breastfeed. It is not known whether DUPIXENT passes into your breast milk.
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins and herbal supplements.
Especially tell your healthcare provider if you are taking oral, topical, or inhaled corticosteroid medicines; have asthma and use an asthma medicine; or have atopic dermatitis or CRSwNP, and also have asthma. Do not change or stop your corticosteroid medicine or other asthma medicine without talking to your healthcare provider. This may cause other symptoms that were controlled by the corticosteroid medicine or other asthma medicine to come back.
DUPIXENT can cause serious side effects, including:
- Allergic reactions (hypersensitivity), including a severe reaction known as anaphylaxis. Stop using DUPIXENT and tell your healthcare provider or get emergency help right away if you get any of the following symptoms: breathing problems, fever, general ill feeling, swollen lymph nodes, swelling of the face, mouth and tongue, hives, itching, fainting, dizziness, feeling lightheaded (low blood pressure), joint pain, or skin rash.
- Eye problems. Tell your healthcare provider if you have any new or worsening eye problems, including eye pain or changes in vision.
- Inflammation of your blood vessels. Rarely, this can happen in people with asthma who receive DUPIXENT. This may happen in people who also take a steroid medicine by mouth that is being stopped or the dose is being lowered. It is not known whether this is caused by DUPIXENT. Tell your healthcare provider right away if you have: rash, shortness of breath, persistent fever, chest pain, or a feeling of pins and needles or numbness of your arms or legs.
The most common side effects include:
- Atopic dermatitis: injection site reactions, eye and eyelid inflammation, including redness, swelling, and itching, and cold sores in your mouth or on your lips.
- Asthma: injection site reactions, pain in the throat (oropharyngeal pain), and high count of a certain white blood cell (eosinophilia).
- Chronic rhinosinusitis with nasal polyposis: injection site reactions, eye and eyelid inflammation, including redness, swelling, and itching, high count of a certain white blood cell (eosinophilia), trouble sleeping (insomnia), toothache, gastritis, and joint pain (arthralgia).
Tell your healthcare provider if you have any side effect that bothers you or that does not go away. These are not all the possible side effects of DUPIXENT. Call your doctor for medical advice about side effects. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.
Use DUPIXENT exactly as prescribed. Your healthcare provider will tell you how much DUPIXENT to inject and how often to inject it. DUPIXENT is an injection given under the skin (subcutaneous injection). If your healthcare provider decides that you or a caregiver can give DUPIXENT injections, you or your caregiver should receive training on the right way to prepare and inject DUPIXENT. Do not try to inject DUPIXENT until you have been shown the right way by your healthcare provider. In children 12 years of age and older, it is recommended that DUPIXENT be administered by or under supervision of an adult. In children younger than 12 years of age, DUPIXENT should be given by a caregiver.
Please see full Prescribing Information including Patient Information.
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 seven FDA-approved treatments and numerous product candidates in development, 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, 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.
With more than 100,000 people in 100 countries, Sanofi is transforming scientific innovation into healthcare solutions around the globe.
Sanofi, Empowering Life
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