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Clinical Trial Summary

The primary goal of this proposal is to use an in-home, smartphone-enabled, hand-held spirometer to determine the FEV1% predicted ranges that predict the Yellow Zone threshold.


Clinical Trial Description

The study hypothesizes that objective lung function tracking at-home, using a portable spirometer in addition to conventional symptom monitoring (in which asthmatic patients self-report and track their own symptoms), will result in more reliable detection of exacerbation in children 6-15 years old with asthma.

This is a 44-week, single arm, blinded nonrandomized trial to determine clinically relevant ranges in FEV1% predicted that correlate with the Yellow Zone of the Asthma Action Plan.

A total of 100 pediatric subjects (between the ages of 6 and 15 years old) with physician-diagnosed mild or moderate persistent asthma treated on controller therapy will be enrolled from the ED, Inpatient Units, Pulmonary Medicine Clinic, and Allergy/Immunology Clinic at UCSF Benioff Children's Hospital San Francisco.

Primary Specific Aim

To determine the FEV1% predicted changes that correspond with a change from the Green to Yellow Zone.

The primary outcome will be Yellow Zone episodes, as identified by the occurence of any of the following:

Symptom Diary score > 4 ATAQ score > 1

Secondary Specific Aim

To determine the FEV1% predicted changes that correspond with a change from the Yellow to Red Zone.

The secondary outcome will Red Zone episodes, as identified by the occurence of any of the following:

ED or Urgent Care visit Administration of systemic (oral, IM, or IV) corticosteroids Hospitalization ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03642418
Study type Observational
Source University of California, San Francisco
Contact
Status Completed
Phase
Start date August 13, 2018
Completion date January 31, 2020

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