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See how BT works to reduce severe asthma attacks

A safe, clinically proven procedure delivered by the Alair System2

How BT Works
Learn more about how BT works

Hear patients share the dramatic difference Bronchial Thermoplasty has made in their lives

79% of patients who were treated with BT reported a significant improvement in their asthma-related quality of life2

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How much does asthma stop you from doing the things you wish you could do?

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Take the Free Asthma assessment Survey and find out how asthma is impacting your life

With hundreds of BT Clinics worldwide, chances are there's a BT-Certified pulmonologist near you

In the U.S. call (888) 272-8440 to speak with a trained health care professional who can assist you in scheduling an appointment, Monday-Friday 9:00AM—8:00PM Eastern

BT is performed by specially-trained pulmonologists, who partner with your primary care physician or allergist to deliver the BT procedure.

Find a BT Clinic

The Alair Bronchial Thermoplasty System is indicated for the treatment of severe persistent asthma in patients 18 years and older whose asthma is not well controlled with inhaled corticosteroids and long-acting beta-agonists.

As with any procedure, there are risks, and individual results may vary. The most common adverse event of BT is a temporary worsening of respiratory-related symptoms. These events typically occur within one day of the BT procedure and usually resolve within a week with standard care. There is a small risk (3.4% per procedure) that symptoms may require hospitalization.2

As mentioned in:


  1. Wechsler M et al. J Allergy Clin Immunol. 2013 Dec;132(6):1295-302.
  2. Castro M, et al, for the AIR2 Trial Study Group. Am J Respir Crit Care Med. 2010;181:116-124.
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