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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05241288
Other study ID # 21-0273
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date March 1, 2022
Est. completion date February 13, 2023

Study information

Verified date April 2023
Source University of North Carolina, Chapel Hill
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a multi-center 3-month study to determine the variation in ProAir Digihaler metrics [peak inspiratory flow (PIF), inhalation volume, number of inhalation events] amongst COPD patients in the ambulatory setting.


Description:

The albuterol sulfate electronic multidose dry powder inhaler (Albuterol eMDPI) Digital System (DS) (ProAir® Digihaler®) is the first and only Food and Drug Administration (FDA) approved inhaler rescue medication with a built-in sensor to detect and record inhaler use. The inhaler device measures PIF and the app groups PIF into categories that can help to highlight potential patient inhaler technique errors. This study will deploy this product in COPD patients to establish foundational data on Digihaler metrics in a COPD population at greater risk for COPD exacerbations. Adult subjects with COPD recruited from two sites [University of North Carolina (UNC) and Wake Forest] will participate in a longitudinal study to collect data regarding the normal variation in Digihaler metrics (PIF, inhalation volume, number of inhalations), a daily self-assessment asking "How are you feeling?" with responses provided on a Likert scale as well as responses to a Digihaler metric algorithm-triggered digital automated questionnaire (DAQ) in a stable COPD population with history of an AECOPD, to assess correlations of Digihaler metrics to daily self-assessment and DAQ responses, correlations of self-reported to actual short acting beta agonist (SABA) use and symptoms, and the changes in inhaler parameters and SABA use around incidental AECOPD.


Recruitment information / eligibility

Status Completed
Enrollment 54
Est. completion date February 13, 2023
Est. primary completion date February 13, 2023
Accepts healthy volunteers No
Gender All
Age group 40 Years and older
Eligibility Inclusion Criteria: - Age >40 years old - History of cigarette smoking >=10 pack-years - Established COPD defined as physician diagnosis along with spirometry confirmation [post-bronchodilator (BD) forced expiratory volume in 1 second (FEV1)/forced vital capacity (FVC)<0.70] within the last two years and an FEV1 =80% predicted - Regular albuterol use (defined as at least one puff weekly for each of the last four weeks) - Currently non-hospitalized - Medical records confirmed history of two moderate AECOPD (defined as use of antibiotic or steroids to treat clinical event consistent with AECOPD) or one severe AECOPD (defined as emergency department/hospital visit) in prior 12 months - Access to smart phone, tablet or computer and internet - Willingness to switch current rescue inhaler/device to ProAir Digihaler Exclusion Criteria: - Allergy or inability/contraindication to use Albuterol Sulfate - Any condition that, in the opinion of the site investigator, would compromise the subject's ability to participate in the study

Study Design


Related Conditions & MeSH terms


Intervention

Combination Product:
Albuterol eMDPI DS
Albuterol sulfate electronic multidose dry powder inhaler (Albuterol eMDPI) Digital System (DS) with 3 component devices: Device 1: Albuterol eMDPI Device 2: Albuterol eMDPI Patient-facing smart device application (App) Device 3: Digital Health Platform (DHP, Cloud solution)

Locations

Country Name City State
United States University of North Carolina at Chapel Hill Chapel Hill North Carolina
United States Wake Forest University Baptist Medical Center Winston-Salem North Carolina

Sponsors (3)

Lead Sponsor Collaborator
University of North Carolina, Chapel Hill Teva Branded Pharmaceutical Products R&D, Inc., Wake Forest University Health Sciences

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Mean Variability in Peak Inspiratory Flow (PIF) PIF is the maximal flow occurring during an inhalation effort, expressed in Liters/minute. Mean and standard deviation of daily PIF measurement collected over three months will be calculated. PIF will be measured using the Digihaler device. 3 months
Primary Variability in Peak Inspiratory Flow (PIF) as Measured by Coefficient of Variation PIF is the maximal flow occurring during an inhalation effort, expressed in Liters/minute. Coefficient of variation (calculated by dividing standard deviation of PIF by the mean of the PIF) of daily PIF measurement collected over three months will be calculated. PIF will be measured using the Digihaler device. 3 months
Secondary Correlation of Self-Reported Inhaler Use With Actual Inhaler Use Correlation between self-reported inhaler use and actual inhaler use over three months will be calculated with Spearman rank-order correlation coefficient. Self-reported inhaler use will be determined with an investigator-developed single question categorizing average use over the last four weeks with five groups (not at all, once a week or less, two or three times a week, one or two times a day, three or more times a day). Actual inhaler use will be directly measured via Digihaler device and categorized into one of the five groups described above. 3 months
Secondary Mean Variability in Inhalation Volume Inhalation volume is the volume of air inspired during an inhalation effort, expressed in Liters. The mean and standard deviation of daily inhalation volume measurements collected daily over three months will be calculated. Inhalation volume will be measured using the Digihaler device. 3 months
Secondary Variability in Inhalation Volume as Measured by Coefficient of Variation Inhalation volume is the volume of air inspired during an inhalation effort, expressed in Liters. Coefficient of variation (calculated by dividing standard deviation of inhalation volume by the mean of the inhalation volume) of daily inhalation volume measurement collected over three months will be calculated. 3 months
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