Boston Scientific has reported positive clinical data from a trial, demonstrating the long-term safety of bronchial thermoplasty in patients treated with the company’s Alair bronchial thermoplasty system.
Developed by Asthmatx, the Alair system delivers thermal energy to the airway wall in a precise and controlled manner to reduce excessive airway smooth muscle, thereby reducing the frequency and severity of asthma attacks.
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The trial, known as RISA, demonstrated that stable lung function is maintained and late clinical complications are absent over a five-year period in patients with severe refractory asthma treated with bronchial thermoplasty.
The data is consistent with recently published five-year data from the seperate AIR trial, which also demonstrated a long-term safety profile for the Alair System.
RISA trial principal investigator Dr Laviolette said that bronchial thermoplasty provides a new option for treating patients with severe asthma, and can provide proven reductions in hospital costs and visits.
"Existing evidence suggests a significant long-term benefit, and results from the RISA trial clearly confirm long-term safety,” Laviolette added.
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