FDA approves dupilumab for children aged 6 to 11 years with moderate-to-severe asthma

Published On 2021-10-22 03:45 GMT   |   Update On 2021-10-22 06:46 GMT

The US food and drug administration has expanded approval of dupilumab for moderate to severe asthma in children between 6 to 11 years.

The approval is based on data from a phase 3 placebo-controlled trial that evaluated the efficacy and safety of dupilumab combined with standard-of-care therapy in children with uncontrolled moderate-to-severe asthma.
Asthma is one of the most common chronic diseases in children. Approximately 75,000 children aged 6 to 11 years live with the uncontrolled moderate-to-severe form of the disease in the U.S., with many more worldwide. Despite treatment with current standard-of-care inhaled corticosteroids and bronchodilators, these children may continue to experience serious symptoms such as coughing, wheezing and difficulty breathing. They also may require the use of multiple courses of systemic corticosteroids that carry significant risks.
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Dupixent is the only biologic medicine to improve lung function in children aged 6 to 11 years in a randomized Phase 3 trial, supporting potential as a best-in-class option

Only biologic medicine approved for children with oral corticosteroid-dependent asthma

"Despite available treatments, moderate-to-severe asthma can severely impact children's developing airways, causing sleepless nights, persistent coughing and wheezing, and potentially life-threatening exacerbations that require the use of systemic steroids that can negatively affect growth," said George D. Yancopoulos, M.D., Ph.D., President and Chief Scientific Officer at Regeneron. "This approval means that Dupixent, a first-of-its-kind treatment with a well-established efficacy and safety profile, can now be used by younger children with certain types of moderate-to-severe asthma in the U.S. In our pivotal trial, Dupixent helped children aged 6 to 11 years breathe better, suffer fewer asthma attacks and improve health-related quality of life. We also continue to study Dupixent in patients with other dermatologic, respiratory and gastrointestinal conditions where type 2 inflammation may play a role."

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"This FDA approval brings new hope for children who may be suffering from life-threatening asthma attacks and poor lung function, affecting their ability to breathe, potentially into adulthood," said Naimish Patel, M.D., Head of Global Development in Immunology and Inflammation at Sanofi. "Dupixent has helped to make a difference to the lives of many patients and families across three diseases with underlying type 2 inflammation, with more than 300,000 patients treated globally. We now have the opportunity to offer a safe and effective treatment option to children as young as 6 years of age living with certain types of moderate-to-severe asthma."

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The FDA approval is based on data from a Phase 3 randomized, double-blind, placebo-controlled trial that evaluated the efficacy and safety of Dupixent combined with standard-of-care asthma therapy in children with uncontrolled moderate-to-severe asthma. More than 90% of children in the trial had at least one concurrent type 2 inflammatory condition.

Among patients who entered the trial with high levels of a certain type of white blood cell (eosinophils [EOS] ≥300 cells/μl; n=259), those who added Dupixent (100 mg or 200 mg every two weeks, based on weight) to standard-of-care experienced:

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  • Substantially reduced rate of severe asthma attacks, with a 65% average reduction over one year compared to placebo (0.24 events per year for Dupixent vs. 0.67 for placebo).
  • Improved lung function observed as early as two weeks and sustained for up to 52 weeks, measured by percent predicted pre-bronchodilator FEV1 (FEV1pp).
    • At 12 weeks, patients taking Dupixent improved their lung function by 5.32 percentage points compared to placebo.
  • Improved asthma control at 24 weeks, with 81% of patients reporting a clinically meaningful improvement based on disease symptoms and impact compared to 64% of placebo patients as measured by a ≥0.5 improvement on a 7-point scale.

Children with elevated fractional exhaled nitric oxide (FeNO ≥20 ppb), an airway biomarker of inflammation that plays a major role in asthma, were also evaluated. In this subgroup, children who added Dupixent to standard-of-care experienced a reduction in the rate of severe asthma attacks.

The safety results from the trial were generally consistent with the known safety profile of Dupixent in patients aged 12 years and older with uncontrolled moderate-to-severe asthma, with the addition of helminth infections which were reported in 2.2% of Dupixent patients and 0.7% of placebo patients. The overall rates of adverse events were 83% for Dupixent and 80% for placebo. The most common adverse events that were more commonly observed with Dupixent compared to placebo were injection site reactions (18% Dupixent, 13% placebo), viral upper respiratory tract infections (12% Dupixent, 10% placebo) and eosinophilia (6% Dupixent, 1% placebo).

Dupixent is currently under regulatory review for children aged 6 to 11 years with moderate-to-severe asthma in the European Union and other health authorities worldwide.


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Article Source : FDA

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