Impedance Pneumography in Assessment of Asthma Control in Preschool

Status Active, not recruiting

Clinical Trial Summary

This study evaluates the value of impedance pneumography, used as overnight home recordings during a longitudinal design, in assessing asthma control in preschool children

Clinical Trial Description

Lung function assessment of preschool children is hindered by their limited co-operation in conventional tests such as peak expiratory flow (PEF) or spirometry. However, indices derived from spontaneous tidal respiratory air flow and the shape of tidal expiratory flow-volume and flow-time curves relate to lung function and are easier to record even in young children. As a more advanced approach, the time dynamics and complexity properties of the tidal breathing flow volume (TBFV) signal have been analysed and found to relate to various respiratory conditions.

Impedance pneumography (IP) is a method for measuring changes in the thoracic electrical impedance through skin electrodes, which varies as a function of lung aeration i.e. breathing. Recent technical advancements have enabled IP to be used for accurate non-invasive tidal flow signal measurement. Moreover, in overnight recordings at home, IP was found feasible for quantifying nocturnal TBFV variability in young children with lower respiratory symptoms, showing that preschool children with high risk of asthma present with increased variation of tidal flow profile shape, and momentarily lowered chaoticity, compared to children with lower risk of asthma. So far, there are no studies that have addressed the utility of IP to assess asthma control in young children with asthma.

The purpose of this study is to investigate the utility of a commercially available IP device (VENTICA, Icare Finland, Finland) and IP-derived clinical indices in assessing the clinical control of asthmatic children receiving normal therapy in a longitudinal setting. The primary hypothesis is that TBFV variability quantified by IP is associated with disease control during management of young children with asthma. The secondary hypothesis is that TBFV variability quantified by IP predicts changes in disease control during management of young children with asthma. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03377192
Study type	Observational
Source	HUS Skin and Allergy Hospital
Contact
Status	Active, not recruiting
Phase
Start date	November 28, 2017
Completion date	June 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Impedance Pneumography in Assessment of Asthma Control in Preschool Children — IPAAC

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms