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HomeLatest Pharma-NewsFirst time an albuterol/budesonide fixed-dose combination rescue medication has been shown to...

First time an albuterol/budesonide fixed-dose combination rescue medication has been shown to reduce severe exacerbations

May 15, 2022: “Full results from the positive MANDALA Phase III trial showed that PT027 (albuterol/budesonide) at two different strengths of budesonide, an inhaled corticosteroid (ICS), used as an as-needed rescue medicine, demonstrated a statistically significant reduction in the risk of a severe exacerbation versus albuterol rescue in patients with moderate to severe asthma.

PT027 is a potential first-in-class inhaled, fixed-dose combination rescue medication containing albuterol, a short-acting beta2-agonist (SABA), and budesonide in the US. It is being developed by AstraZeneca and Avillion.

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Globally, more than 176 million asthma attacks are experienced each year.

Compared with albuterol rescue, PT027 at the 180mcg albuterol/160mcg budesonide dose reduced the risk of a severe exacerbation by 27% (p<0.001) in adults and adolescents.

In the trial, patients were randomised to receive PT027 or albuterol rescue, on top of their usually prescribed maintenance ICS, with or without additional controller medicines.

In secondary endpoints, PT027 (180mcg albuterol/160mcg budesonide) demonstrated a 33% reduction in mean annualised total systemic corticosteroid exposure (p=0.002) and a 24% reduction in annualised severe exacerbation rate (p=0.008).

A numerically higher odds of patients experiencing an improvement in symptom control and quality of life was also observed after 24 weeks of treatment with PT027 compared to albuterol rescue.

Adverse events (AEs) were similar across the treatment groups in the trial and consistent with the known safety profiles of the individual components, with the most common AEs including nasopharyngitis and headache.

Bradley E. Chipps, Past President of the American College of Allergy, Asthma & Immunology and Medical Director of Capital Allergy & Respiratory Disease Center in Sacramento, US, said:

“The MANDALA Phase III trial results demonstrated that PT027, a novel fixed-dose combination of albuterol/budesonide used as-needed, provided additional anti-inflammatory treatment in response to patient symptoms, which led to a reduced risk of severe exacerbations compared with albuterol alone.

These data further strengthen the growing body of evidence around the value of as-needed anti-inflammatory treatment in asthma and support PT027’s potential to transform the current rescue treatment approach.”

Mene Pangalos, Executive Vice President, BioPharmaceuticals R&D, AstraZeneca, said: “Asthma is an inflammatory, variable disease and patients are at risk of experiencing a severe exacerbation regardless of disease severity and adherence to treatment.

The results from these Phase III trials support the clinical benefit of PT027, an albuterol/budesonide rescue inhaler, which has the potential to be a first-in-class treatment approach that can prevent asthma attacks over and above their current maintenance therapies.”

In the MANDALA trial, PT027 at a lower budesonide dose (180mcg albuterol/80mcg budesonide), also demonstrated a statistically significant reduction of 17% in the risk of severe exacerbation versus albuterol rescue (p=0.041), when used as an as-needed rescue medicine in adults, adolescents, and children aged 4–11 years.

The results were published in the New England Journal of Medicine and will be presented at the American Thoracic Society (ATS) 2022 International Conference.1,2,4

Also being presented at the ATS International Conference this week are the positive DENALI Phase III trial results.

In this trial, PT027 demonstrated a statistically significant improvement in lung function measured by forced expiratory volume in one second (FEV1), compared to the individual components albuterol and budesonide, and compared to placebo in patients with mild to moderate asthma aged 12 years or older.

Onset of action and duration of effect were similar for PT027 and albuterol. The safety and tolerability of PT027 in DENALI was consistent with the known profiles of the components.”

https://www.astrazeneca.com/content/astraz/media-centre/press-releases/2022/pt027-significantly-reduced-the-risk-of-a-severe-exacerbation-compared-to-albuterol-in-patients-with-asthma.html

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