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Pre-asthma: a useful concept for prevention and disease-modification? A EUFOREA paper. Part 1-allergic asthma
G K Scadding1,2, M McDonald3, V Backer4
1Department of Allergy & Rhinology, Royal National ENT Hospital, London, United Kingdom.
Insights
This study explores asthma prevention strategies, proposing a "pre-asthma" state for early intervention. Identifying and treating pre-asthma could reduce the global burden of this chronic respiratory disease.
Area of Science:
- Allergy and immunology
- Public health
- Preventive medicine
Background:
- Asthma affects 300 million globally, causing significant disability and mortality.
- While diagnosis and treatment are established, asthma prevention remains under-researched.
- Analogous to pre-diabetes, a pre-asthma state could enable early intervention.
Purpose of the Study:
- To explore population-level asthma prevention strategies.
- To investigate the potential for defining and identifying a pre-asthma state.
- To assess if intensive treatment of pre-asthma can prevent progression to full asthma, focusing on allergic asthma.
Main Methods:
- Literature review on asthma prevention and pre-disease states.
- Conceptual framework development for pre-asthma.
- Analysis of existing data on allergic asthma progression.
Main Results:
- Asthma prevention is a neglected area compared to treatment.
- A pre-asthma state is theoretically plausible, analogous to pre-diabetes.
- Early intervention in pre-asthma may reduce asthma incidence and severity.
Conclusions:
- Developing a pre-asthma state is a promising avenue for asthma prevention.
- Further research is needed to define diagnostic criteria and effective interventions for pre-asthma.
- Focusing on allergic asthma provides a specific target for initial prevention research.
Abstract:
Asthma, which affects some 300 million people worldwide and caused 455,000 deaths in 2019, is a significant burden to suffers and to society. It is the most common chronic disease in children and represents one of the major causes for years lived with disability. Significant efforts are made by organizations such as WHO in improving the diagnosis, treatment and monitoring of asthma. However asthma prevention has been less studied. Currently there is a concept of pre- diabetes which allows a reduction in full blown diabetes if diet and exercise are undertaken. Similar predictive states are found in Alzheimer's and Parkinson's diseases. In this paper we explore the possibilities for asthma prevention, both at population level and also investigate the possibility of defining a state of pre-asthma, in which intensive treatment could reduce progression to asthma. Since asthma is a heterogeneous condition, this paper is concerned with allergic asthma. A subsequent one will deal with late onset eosinophilic asthma.
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