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Creating A Risk Assessment Tool for Thunderstorm Asthma: the CARISTA Study

RecruitingNA

Sponsor: University of Melbourne

Conditions: Allergic Asthma, Thunderstorm Asthma, Seasonal Allergic Rhinitis, Grass Pollen Allergy, Asthma Exacerbation Due to Thunderstorm

Interventions: Observational

Countries: Australia

Thunderstorm asthma is a recurring public health emergency in South-Eastern Australia which occurs in springtime. The major identified risk factors for thunderstorm asthma is hay fever and allergy to ryegrass pollen. The goal of the CARISTA study is to identify the risk of springtime allergic and thunderstorm asthma in allergic adults living in South-Eastern Australia. To do this the investigators will recruit 530 people who have hay fever and test them for allergy to ryegrass pollen and undertake simple lung function testing. The investigators will ask study participants to complete a customised symptom tracker over the springtime pollen season for 2 consecutive years. The outcome the investigators are looking for is an asthma exacerbation or worsening asthma symptoms. This study will enable the investigators to identify indicators (biomarkers) of severe and moderate asthma exacerbations in order to identify those at risk of thunderstorm and seasonal asthma so protective treatments and strategies can be advised.

Eligibility overview

Sex: ALL

Age: 18 Years to 70 Years

Healthy volunteers: Yes

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

Consenting adults aged 18 to 70 years with seasonal allergic rhinitis

willing to undertake:

* Lung function testing
* Blood sample collection for risk factor identification, -Prospectively logging their symptoms and medications through the springtime season using the CARISTA symptom monitoring platform . -

Exclusion Criteria:

* Individuals unable to provide informed consent
* Individuals who do not suffer from symptoms of seasonal allergic rhinitis
* Individuals who do not consent to lung function testing and blood sample collection - Individuals with unstable asthma (FEV1 by spirometry less than 70% predicted), a recent exacerbation or change of asthma preventive medication use (within one month) would be excluded, although re-screening would be permitted after one month, time permitting.
* Individuals with severe asthma requiring the use of continuous oral corticosteroids or biological medication for severe asthma.
* The presence of any medical illness, such as cardiac disease, pre-existing illness or immunomodulatory therapy that, in the opinion of the Investigators, would compromise participant safety or the derivation of biomarkers during the study.

Locations (6)

Albury, New South Wales, Australia
Box Hill, Victoria, Australia
Clayton, Victoria, Australia
Heidelberg, Victoria, Australia
Melbourne, Victoria, Australia
Parkville, Victoria, Australia