Evaluating Asthma Exacerbation-induced Changes in Lung Function With a Home-based Spirometer
Public ClinicalTrials.gov record NCT03705325. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The investigators will study the use of a home-based spirometer (Spirobank Smart spirometer) that connects to a smartphone app (VitalFlo) in teenagers with persistent asthma to determine if clinically significant changes in lung function detected by the spirometer are associated with patient-reported asthma symptoms.
Study identification
- NCT ID
- NCT03705325
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 44 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 12 Years to 21 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 21, 2019
- Primary completion
- Aug 2, 2020
- Completion
- Aug 2, 2020
- Last update posted
- Oct 5, 2020
2019 – 2020
United States locations
- U.S. sites
- 2
- U.S. states
- 1
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| EPA Human Studies Facility | Chapel Hill | North Carolina | 27599-7310 | — |
| NC State Park Scholars Children's Specialty Clinic | Raleigh | North Carolina | 27607 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03705325, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Oct 5, 2020 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03705325 live on ClinicalTrials.gov.