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Sanofi and Regeneron Announce FDA Approval of Dupixent

Thursday, March 30, 2017   (0 Comments)
Posted by: Kristen Pappaterra
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BRIDGEWATER, N.J. and TARRYTOWN, N.Y.March 28, 2017 /PRNewswire/ -- Sanofi and Regeneron Pharmaceuticals, Inc.announced today that the U.S. Food and Drug Administration (FDA) approved Dupixent® (dupilumab) Injection, the first and only biologic medicine approved for the treatment of adults with moderate-to-severe atopic dermatitis (AD) whose disease is not adequately controlled with topical prescription therapies, or when those therapies are not advisable.

View the Multimedia News Release: http://www.multivu.com/players/English/7951851-dupixent-regeneron-sanofi-fda-approval/

"People with moderate-to-severe atopic dermatitis cope with intense, sometimes unbearable symptoms that can impact them for most of their lives," said Julie Block, President and Chief Executive Officer, National Eczema Association.  "To date, there have been few options available to treat people with moderate-to-severe atopic dermatitis who have uncontrolled disease.  That's why today's approval of Dupixent is so important for our community. Now we have a treatment that is expected to help address patients suffering from this devastating disease."

Dupixent is a human monoclonal antibody that is designed to specifically inhibit overactive signaling of two key proteins, IL-4 and IL-13, which are believed to be major drivers of the persistent underlying inflammation in AD. Dupixent comes in a pre-filled syringe and can be self-administered as a subcutaneous injection every other week after an initial loading dose. Dupixent can be used with or without topical corticosteroids. It should not be used in patients who are allergic to dupilumab or any of the ingredients in Dupixent.

AD, the most common form of eczema, is a chronic inflammatory disease with symptoms often appearing as a rash on the skin. Moderate-to-severe AD is characterized by rashes often covering much of the body, and can include intense, persistent itching and skin dryness, cracking, redness, crusting, and oozing.i Itch is one of the most burdensome symptoms for patients and can be debilitating.ii   Of the adults with uncontrolled moderate-to-severe AD in the United States, it is estimated that 300,000 are most in need of new treatment options.iii

"Dupixent is the result of years of tireless research by our scientists into the underlying causes of allergic and atopic diseases.  In atopic dermatitis, Dupixent was shown to help clear the skin and manage the intense itch caused by the disease," said George D. Yancopoulos, M.D., Ph.D., Founding Scientist, President, and Chief Scientific Officer, Regeneron.  "Today's approval would not be possible without the dedication of the clinical investigators and the participation of the patients who took part in the global LIBERTY AD clinical program."

Dupixent was evaluated by the FDA with Priority Review, which is reserved for medicines that represent potentially significant improvements in safety or efficacy in treating serious conditions. This followed the FDA's 2014 Breakthrough Therapy designation for Dupixent for inadequately controlled moderate-to-severe AD. Breakthrough Therapy designation was created by the FDA to expedite the development and review of drugs developed for serious or life-threatening conditions/ Dupixent represents the first time this designation was granted for a dermatological disease, other than in dermatologic cancers.iv  

"We strive to transform scientific innovation into therapeutic solutions that make a meaningful difference to people's lives,"said Olivier Brandicourt, M.D., Chief Executive Officer, Sanofi. "The approval of Dupixent offers new hope for adults with moderate-to-severe AD in the United States, and we look forward to working with regulatory authorities around the world to bring this important new medicine to patients globally." 

Sanofi Genzyme, the specialty care global business unit of Sanofi, and Regeneron will market Dupixent in the United States. Dupixent is expected to be available to patients and providers in the U.S. later this week.

Sanofi and Regeneron recognize that Dupixent can only help those uncontrolled moderate-to-severe AD patients that were prescribed the medicine if they can both access the medicine and use it properly. Therefore, the companies have launched Dupixent MyWay, a comprehensive and specialized program that provides support and services to patients throughout every step of the treatment process. 

Dupixent MyWay will help eligible patients who are uninsured, lack coverage, or need assistance with their out-of-pocket costs. Additionally, Dupixent MyWay offers personalized support from registered nurses and other specialists who are available 24/7 to speak with patients and help them navigate the complex insurance process. For more information, please call 1-844-Dupixent (1-844-387-4936) or visit www.Dupixent.com.

The Wholesale Acquisition Cost (WAC) of Dupixent in the United States is $37,000 annually. Actual costs to patients, payers and health systems are anticipated to be lower as WAC pricing does not reflect discounts, rebates or patient assistance programs.

LIBERTY AD Clinical Program and Results 
The approval of Dupixent was based on data from the global LIBERTY AD clinical program, which included three randomized Phase 3 pivotal trials known as SOLO 1, SOLO 2 and CHRONOS (enrolled 2,119 total adult patients).  The studies examined the use of Dupixent either alone (SOLO 1 or SOLO 2, 1,379 adult patients enrolled) or with topical corticosteroids (CHRONOS, 740 adult patients enrolled) in patients with inadequately controlled moderate-to-severe AD. In all these studies, Dupixent alone or with topical corticosteroids met the primary and key secondary endpoints, specifically:

  • In the SOLO 1 and SOLO 2 studies, treatment with Dupixent as monotherapy significantly improved measures of skin clearing and overall extent and severity of disease:
    • At 16 weeks, for SOLO 1 and SOLO 2, respectively, 38 and 36 percent of patients who received Dupixent 300 mg every two weeks achieved clear or almost clear skin as measured by the 5-point Investigator's Global Assessment (IGA) scale (primary endpoint), compared to 10 and 9 percent with placebo.
    • At 16 weeks, for SOLO 1 and SOLO 2, respectively, 51 and 44 percent of patients who received Dupixent 300 mg every two weeks achieved a 75 percent or greater reduction in their Eczema Area and Severity Index score (EASI-75) from baseline, a key secondary endpoint, compared to 15 and 12 percent with placebo.
    • At 16 weeks, for SOLO 1 and SOLO 2, respectively, 41 and 36 percent of patients who received Dupixent 300 mg every two weeks achieved a greater than or equal to 4 point improvement in the daily intensity of patient-reported itch, as measured by the Pruritus Numerical Rating Scale (NRS), compared to 12 and 10 percent with placebo. 
                                          
  • In the CHRONOS study, treatment with Dupixent with topical corticosteroids (TCS) significantly improved measures of overall disease severity at 16 and 52 weeks, when compared to placebo with TCS:
    • At 16 weeks, 39 percent of patients who received Dupixent 300 mg every two weeks with TCS achieved clear or almost clear skin (IGA 0 or 1), the primary endpoint, compared to 12 percent of patients receiving placebo with TCS.
    • At 16 weeks, 69 percent of patients who received Dupixent 300 mg every two weeks with TCS achieved EASI-75 (key secondary endpoint), a 75 percent reduction on an index measuring eczema severity, compared to 23 percent of patients receiving placebo with TCS.
    • At 16 weeks, 59 percent of patients who received Dupixent 300 mg every two weeks with TCS achieved a greater than or equal to 4 point improvement in the daily intensity of patient-reported itch, as measured by the NRS, compared to 20 percent of patients receiving placebo with TCS.
    • The study also met additional key secondary endpoints at 52 weeks, showing that 36 percent of patients who received Dupixent 300 mg every two weeks with TCS achieved clear or almost clear skin (IGA 0 or 1), compared to 13 percent of patients receiving placebo with TCS.

The most common adverse events that were noted to be greater than or equal to one percent with Dupixent treatment included injection site reactions, eye and eye lid inflammation including redness, swelling, and itching, and cold sores in the mouth or on the lips.

In December 2016, the European Medicines Agency accepted for review Sanofi's and Regeneron's marketing authorization application (MAA) for Dupixent for adults with uncontrolled moderate-to-severe AD. 

Dupilumab Program Overview
Dupilumab is currently being evaluated in a comprehensive development program for AD that includes studies in children with severe AD (6 months to 11 years of age) and adolescents with moderate-to-severe AD (12 to 17 years of age). In October 2016, the FDA granted dupilumab Breakthrough Therapy designation for both populations.  These potential uses are investigational and the safety and efficacy have not been evaluated nor confirmed by any regulatory authority.

Dupilumab is also being studied in other inflammatory diseases that are believed to be driven by IL-4 and IL-13 cytokines, including persistent uncontrolled asthma (Phase 3, results expected later this year), nasal polyposis (Phase 3) and eosinophilic esophagitis (Phase 2). These potential uses are investigational and the safety and efficacy have not been evaluated by any regulatory authority. For more information on dupilumab clinical trials please visit www.clinicaltrials.gov.

IMPORTANT SAFETY INFORMATION 
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
  • have asthma
  • 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 if Dupixent will harm your unborn baby.
  • 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.  If you have asthma and are taking asthma medicines, do not change or stop your asthma medicine without talking to your healthcare provider. 

Dupixent can cause serious side effects, including:

  • Allergic reactions. Stop using Dupixent and go to the nearest hospital emergency room if you get any of the following symptoms: fever, general ill feeling, swollen lymph nodes, hives, itching, 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.

The most common side effects include injection site reactions, eye and eyelid inflammation, including redness, swelling, itching, and cold sores in your mouth or on your lips. 

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 may report side effects to FDA at 1-800-FDA-1088.

Use Dupixent exactly as prescribed.  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. 

Please click here for the full Prescribing Information. The patient information is available here.

INDICATION

Dupixent is used to treat adult patients 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.

About Sanofi
Sanofi, a global healthcare leader, discovers, develops and distributes therapeutic solutions focused on patients' needs. Sanofi is organized into five global business units: Diabetes and Cardiovascular, General Medicines and Emerging Markets, Sanofi Genzyme, Sanofi Pasteur and Consumer Healthcare. Sanofi is listed in Paris (EURONEXT: SAN) and in New York (NYSE: SNY).

Sanofi Genzyme focuses on developing specialty treatments for debilitating diseases that are often difficult to diagnose and treat, providing hope to patients and their families.

About Regeneron Pharmaceuticals, Inc.
Regeneron (NASDAQ: REGN) is a leading science-based biopharmaceutical company that discovers, invents, develops, manufactures and commercializes medicines for the treatment of serious medical conditions. Regeneron commercializes medicines for eye diseases, high LDL-cholesterol, atopic dermatitis and a rare inflammatory condition and has product candidates in development in other areas of high unmet medical need, including rheumatoid arthritis, asthma, pain, cancer and infectious diseases. For additional information about the company, please visit www.regeneron.com or follow @Regeneron on Twitter.


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