Get in touch: 07730 619850


Will my GP be informed if I participate?

At the start of the trial we will ask for your permission for us to inform your GP that you are taking part in the trial. We will send your GP an information sheet giving details of the trial and what taking part will involve for you. […]

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If I take part in the trial, will it be kept confidential?

All information which is collected about you during the course of the trial will be kept strictly confidential.

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Can I withdraw from the trial?

Taking part in the LASER trial is entirely voluntary. If you decide that you do not want to continue with the trial then your research doctor will make arrangements for your usual asthma care to continue. You do not have to give a reason for your withdrawal […]

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What if the device stops working?

If your treatment device stops working then please contact your local trial team. If necessary, your local trial team will contact an Airsonett® engineer to repair the device.

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Will the device fit into my bedroom?

Prior to delivery of the device you will be given a ‘footprint’ template of the treatment device to see whether it will be possible to install the device in your bedroom. In a previous study including over 300 patients, there were only 2 cases where the device […]

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Who will install the device and show me how it works?

The device will be installed in your home by a trained engineer. Delivery will be arranged at a convenient time within 10 days of your second visit with the trial team (the baseline visit.) The device will be installed in your bedroom and you will be shown […]

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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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Are there any side effects of the treatment?

There are no known side effects directly attributable to the Airsonett® treatment device or Temperature-controlled Laminar Airflow treatment, a non-invasive, non-pharmaceutical treatment.

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The LASER trial team
Dept. of Respiratory Medicine
Level C, Queen Alexandra Hospital
Southwick Hill Road
Portsmouth, PO6 3LY

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Contact the LASER Trial on 07730 619850, or by email

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