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GSK's asthma drug wins FDA approval to treat 'smoker's lung'

Published by Global Banking & Finance Review

Posted on May 22, 2025

2 min read

· Last updated: January 23, 2026

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GSK's asthma drug wins FDA approval to treat 'smoker's lung'
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(Reuters) -The U.S. Food and Drug Administration has approved British drugmaker GSK's asthma drug to treat some patients with a chronic lung disease commonly known as "smoker's lung", the company said

GSK's Nucala Receives FDA Approval for Treatment of Smoker's Lung

By Siddhi Mahatole and Sriparna Roy

(Reuters) -The U.S. Food and Drug Administration has approved British drugmaker GSK's asthma drug to treat some patients with a chronic lung disease commonly known as "smoker's lung", the company said on Thursday.

The approval expands the use of the drug, Nucala, as an add-on treatment for patients with a type of chronic obstructive pulmonary disease.

Sanofi and Regeneron's blockbuster drug Dupixent and Verona Pharma's inhaled therapy Ohtuvayre are also approved for the condition, which affects the lungs, causing restricted airflow and breathing problems.

GSK's Nucala is a monoclonal antibody that inhibits interleukin-5, which helps regulate eosinophils, a type of white blood cell that causes inflammation in the lungs when overproduced.

The regulator had set a target action date of May 7 for its decision on the drug. The approval, however, came two weeks later.

This is the latest instance where the drug regulator has missed its deadline after mass layoffs as part of a major overhaul of federal health agencies under Secretary of Health and Human Services Robert F. Kennedy Jr.

The approval was based on a late-stage trial, in which patients treated with Nucala and an inhaled maintenance therapy for up to 104 weeks had significantly reduced exacerbations by 21% compared to placebo.

"There's a very high burden when you have severe exacerbations and end up being hospitalized. The aim is to keep patients out of the hospital, keep them stable, and keep them at home," GSK's Chief Commercial Officer Luke Miels said ahead of the approval.

Nucala recorded 1.78 billion pounds ($2.38 billion) in total sales last year.

The disease commonly affects cigarette smokers but can also be caused by air pollution and related occupational hazards. It is the fourth leading cause of death worldwide, according to the World Health Organization.

(Reporting by Siddhi Mahatole and Sriparna Roy in Bengaluru; Editing by Sriraj Kalluvila and Vijay Kishore)

Key Takeaways

  • GSK's Nucala receives FDA approval for smoker's lung.
  • Nucala is now an add-on treatment for COPD.
  • Approval followed a late-stage trial with positive results.
  • Nucala sales reached £1.78 billion last year.
  • Smoker's lung is a leading cause of death worldwide.

Frequently Asked Questions

What is GSK's Nucala approved for?
GSK's Nucala has been approved by the FDA to treat patients with a chronic lung disease commonly known as 'smoker's lung'.
What type of drug is Nucala?
Nucala is a monoclonal antibody that inhibits interleukin-5, which helps regulate eosinophils, a type of white blood cell involved in lung inflammation.
What was the outcome of the late-stage trial for Nucala?
In the late-stage trial, patients treated with Nucala experienced a 21% reduction in exacerbations compared to those on a placebo.
What are the potential causes of smoker's lung?
Smoker's lung commonly affects cigarette smokers but can also be caused by air pollution and related occupational hazards.
How much revenue did Nucala generate last year?
Nucala recorded 1.78 billion pounds, equivalent to $2.38 billion, in total sales last year.

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