- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02725294
Understanding Patient Management of COPD Exacerbations
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Prompt treatment of chronic obstructive pulmonary disease (COPD) exacerbations with oral steroids and/or antibiotics, ideally within 3 days of onset of symptoms, can decrease the severity and duration of exacerbations and may reduce the risk of COPD hospitalizations. This observational study will examine Veterans' care-seeking behaviors and will focus on patients' perceived need for care and perceived access to care and whether these factors delay seeking care for COPD exacerbations, increasing the risk for hospitalizations. This study will also evaluate one approach of identifying early exacerbations through the use of a remote inhaler monitoring system.
This observational cohort study enrolled 412 Veterans with COPD at high-risk for exacerbations. As of March 2019, 246 participants have completed the 1 year follow-up; 133 are in follow-up. The Specific Aims are: 1) Examine the barriers to seeking care for COPD exacerbations or worsening breathing; 2) Test the use of a real-time remote inhaler monitor to identify early exacerbations.
All participants attended one in-person baseline visit to complete spirometry and baseline questionnaires. Participants are contacted every 2 weeks for 1 year using an interactive voice response system that screens for COPD exacerbations with 4 yes/no questions. Participants with a positive screen are called back by research staff to obtain additional detailed information on the exacerbation and how it was treated. Data analysis will examine whether access to care and baseline factors are associated with a delay in treatment.
The participants enrolled at two sites: 252 participants at VA Puget Sound in Seattle, WA and 160 participants at the VA Eastern Colorado in Denver, CO. For Aim 1, 60 participants who reported a COPD exacerbation (either hospitalized, seen in the emergency department, treated as outpatients, or did not seek treatment) participated in in-depth semi-structured interviews by a trained research staff to understand how they responded to their worsening symptoms and decided whether to seek care. 24 caregivers for these Veterans were interviewed about their perspective on the exacerbation event.
In Aim 2, 145 participants from Aim 1 used an inhaler monitor with their albuterol inhaler during the 12-month follow-up period, which transmits real-time data about their daily inhaler use. Data analysis will measure whether a change in albuterol use can predict patient reported COPD exacerbations to determine the appropriate cut-offs that can be used in a future intervention trial.
These aims will provide detailed information on how best to intervene to ensure prompt identification and treatment of COPD exacerbations. New health care delivery approaches will assist Veterans in early identification of exacerbations and provide early access to care that can be integrated into the VA primary care, emergency medicine and pulmonary specialty care settings.
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Veteran Cohort:
Inclusion Criteria:
- COPD diagnosis
- Spirometry showing FEV1/VC<0.70
- COPD exacerbation treated with prednisone and/or antibiotics, or that resulted in a visit to the emergency department or hospitalization in the previous 12 months
- English speaking
- Access to telephone
Exclusion Criteria:
- nursing home resident
- institutionalized, imprisoned
- life expectancy < 1 year
Informal Caregiver Cohort:
Inclusion Criteria:
- Identified by Veteran patient as informal caregiver
- English speaking
- Access to telephone
- >=18 years old
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
COPD patients
Veterans with COPD who are cared for at VA Puget Sound Health Care System (Seattle, WA) or VA Eastern Colorado (Denver, CO) who are at high risk for a COPD exacerbation based on an exacerbation treated with prednisone or antibiotics in the year preceding enrollment.
|
Not applicable.
This is an observational study without an intervention.
|
Informal Caregiver for COPD patients
Informal caregiver (ie.
family member, friend, etc.) for the patient with COPD who is participating in the COPD patients cohort.
|
Not applicable.
This is an observational study without an intervention.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Decision to seek care
Time Frame: Determined for each exacerbation event during the 1-year follow-up period
|
All participants with at least one exacerbation will be included in this analysis.
Individuals could have both treated or untreated exacerbations and the unit of analysis will be each patient-exacerbation event.
The outcome will be whether the patient sought treatment (yes/no) for their COPD exacerbation.
|
Determined for each exacerbation event during the 1-year follow-up period
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Treatment delay
Time Frame: Determined for each treated exacerbation event during the 1-year follow-up period
|
Only patients with ≥1 treated exacerbation during follow-up will be included in this analysis.
A patient could have more than one exacerbation, and the unit of analysis will be each patient-exacerbation event
|
Determined for each treated exacerbation event during the 1-year follow-up period
|
Collaborators and Investigators
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 00874
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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