Will I get an active treatment device?

The LASER trial is a randomised, placebo-controlled trial. This means that we will be comparing the effect of 12 months of treatment with an active treatment device with 12 months of treatment with a placebo device. We will recruit 222 patients to the trial. Half (111) will

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What is the treatment being tested?

We are investigating whether a new treatment, Temperature-controlled Laminar Airflow (TLA), delivered by a machine (Airsonett®) in the patient’s bedroom can help to improve asthma control and reduce the frequency of asthma attacks and hospital admissions.

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