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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05892302
Other study ID # STUDY00004576
Secondary ID R34HL159126
Status Recruiting
Phase N/A
First received
Last updated
Start date March 26, 2024
Est. completion date May 1, 2025

Study information

Verified date April 2024
Source University of Texas at Austin
Contact Susan Balcer Whaley, MPH
Phone 443-824-6107
Email susan.balcerwhaley@austin.utexas.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a two-arm, parallel design, randomized, controlled pilot trial comparing access to Asma Guardián, a culturally tailored multi-component app-based asthma intervention for Hispanic/Latinx school age children with asthma, to usual care.


Description:

This is a pilot two-arm, parallel design, randomized, controlled clinical trial that will test a scalable, culturally-tailored, multilayered asthma intervention, Asthma Guardian, designed to reduce asthma morbidity among Mexican American/Hispanic children. This study will inform the planning of a statewide efficacy trial. Asthma Guardian will include three components: (1) support for accessing asthma specialist care, (2) asthma management education and support, and (3) home environment education, access to housing advocacy services, and access to environmental intervention supplies. These components will be accessed by families through a web-based platform, which will include educational materials, a portal for requesting environmental intervention supplies, and access to a virtual community health worker (vCHW), who will facilitate engagement with subspecialty care and housing advocacy services and support asthma self-management. A trained vCHW will communicate with families via telephone and/or video calls. The Investigators will examine Asthma Guardian's effects on clinical outcomes as well as process/fidelity outcomes, including uptake and implementation of the toolkits, education, vCHW support, and environmental intervention supplies. The Investigators propose achieving this goal by randomizing 50 Mexican American/Hispanic children with uncontrolled asthma to either immediate or delayed access (6 months after randomization for one month) to the Asthma Guardian platform. Participants randomized to receive immediate access will be enrolled for 6 months. A randomization table will be generated by the study statistician and implemented through RedCAP. Using a computer-based algorithm accessed by web-enabled tablet, participants will be randomized 1:1 to the two conditions using a random block size (of 4 or 6) algorithm so that the order of randomization is not predictable by any study team member. The randomization scheme will only be accessible to the data manager. Participants will be given a unique ID number to logon to the website where they can access the vCHW and tool kits. A participant is considered to have completed the study if he or she has completed the baseline assessment, receive access to intervention application (either at baseline or 6 month mark), and the 6-month follow-up assessments.


Recruitment information / eligibility

Status Recruiting
Enrollment 50
Est. completion date May 1, 2025
Est. primary completion date April 1, 2025
Accepts healthy volunteers No
Gender All
Age group 5 Years to 12 Years
Eligibility Inclusion Criteria: 1. Provision of signed and dated informed consent forms. 2. Who has a child who is 5-12 years of age 3. Whose child meets criteria for current persistent asthma defined as either: 1. On a long-term controller medication for asthma, or 2. Meet NAEPP guideline requirements for persistent disease:)(35) - Asthma symptoms 3 or more days per week over the past 2 weeks OR - Nocturnal asthma symptoms at least 3 times in the past month 4. Whose child has had an asthma exacerbation, defined as an oral steroid burst, in the previous 12 months 5. Parent/Caregiver identifies as Mexican American or other Hispanic descent 6. Whose child has clinician diagnosed asthma 7. Access to necessary resources for participating in a technology-based intervention (i.e., computer, smart phone, internet access) 8. Whose child is not currently participating in another asthma study. The parent/caregiver is the primary study participant, but the child will be asked to complete some surveys at baseline and six months, so an assent will be obtained from the child. Exclusion Criteria: - An individual who meets any of the following criteria will be excluded from participation in this study: 1. Unwilling to provide consent for research activities 2. Cognitive inability to provide consent 3. Whose child has evidence of other chronic lung or significant cardiovascular disease 4. Whose child has a history of intubation for asthma

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Access to Asma Guardian website/app
The Asma Guardian intervention application is a culturally-tailored web-platform that includes 3 tool kits. The contents of the tool kits include Asthma Specialty Care, Family Asthma Management, and Home Environmental Intervention.
Delayed Access to Asma Guardian website/app
Delayed access to the website/app. The Asma Guardian intervention application is a culturally-tailored web-platform that includes 3 tool kits. The contents of the tool kits include Asthma Specialty Care, Family Asthma Management, and Home Environmental Intervention.

Locations

Country Name City State
United States University of Texas at Austin Austin Texas

Sponsors (2)

Lead Sponsor Collaborator
University of Texas at Austin National Heart, Lung, and Blood Institute (NHLBI)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Other Asthma Control Test (ACT) Score range 5-25, higher score indicates better outcome. 6 months follow-up visit
Other Asthma Exacerbation Defined as an oral steroid burst, measured as the number of bursts taken over the six month follow-up period 6 months
Other Asthma related acute care use Measured by the number of hospitalizations, ER visits, or Unexpected Doctor visits over the six month follow-up period 6 months
Other Asthma controller medication Measured by the number of days controller medication was taken in a 2 week period 6 month follow-up visit
Other Asthma controller medication treatment step controller medication treatment step at the 6 month follow-up visit 6 month follow-up visit
Other Asthma symptoms number of days of asthma symptoms in the previous 2 weeks 6 month follow-up visit
Other Asthma Specialty Visit Defined as reporting at least one visit with an asthma specialist during the six month follow-up period 6 months
Other Short adapted Questionnaire to Measure Asthma Knowledge of Parents. Measured using the Asthma Knowledge Questionnaire, sum of the scores for each question A Likert-type scale of 5 points is used. Items are graded '1', '2', '3', '4', and '5' for 'strongly disagree', 'disagree', 'neither agree, nor disagree', 'agree', and 'strongly agree', respectively.
Negative items are reverse coded by subtracting the responses values from 5. Missing answers of the asthma knowledge questionnaire scores a '3'. Total score is calculated by the sum of score item responses, ranging from 10 to 50, with higher scores indicating greater knowledge of asthma.
6 months
Other Pharmacy prescription data Number of asthma controller medication prescription fills over the six month follow-up period 6 months
Other Use of the asthma control test defined as the number of times the ACT form is downloaded from the app over the six month follow-up period 6 months
Other Request for home environmental supplies Defined as the number of requests for home environmental supplies in the app over the six month time period 6 months
Other Deployment of home environmental supplies Defined as report of deployment of any environmental supplies during the six month follow-up visits 6 months
Other Settled Dust allergen concentrations Dust will be collected from pts and assayed for indoor allergens at six months and expressed in µg/g 6 month follow-up visit
Other Fine particulate matter (PM) Defined as the average PM2.5 concentration during the six month follow-up period 6 months
Other Use of educational material Defined as the number of times educational material is downloaded from the app over the six month follow-up period 6 months
Other Use of the App Defined as the number of visits to the app over the six month time period 6 months
Other Acceptability of Intervention Measure (AIM), Intervention Appropriateness Measure (IAM), and Feasibility of Intervention Measure (FIM) 4 item likert-scale validated survey, outcome will be expressed as the average score for the responses to the items at the 6 month follow-up visit. Response Scale:
1 = Completely disagree, 2 = Disagree, 3 = Neither agree nor disagree, 4 = Agree, 5 = Completely agree. Scoring Instructions: Scales can be created for each measure by averaging responses. Scale values range from 1 to 5. No items need to be reverse coded. Higher score is a better outcome.
6 month follow-up visit
Other Number of interactions with the virtual Community Health Worker (CHW) Described as the number of times pts interacted with the CHW over the six month follow up period 6 months
Primary Participant engagement with the Asthma Guardian website/app Engagement is a composite outcome which is defined as engagement with at least 2 of the 3 toolkits. It will be expressed as the percentage of participants with engagement. Engagement with each of the toolkits is defined as follows:
(i) Asthma Specialist: at least one documented appointment with an asthma specialist; (ii) Asthma Management: Controller medication prescription fills covering at least 3 months of dosing; (iii) Home environment Toolkit: New deployment of at least some of the available environmental intervention materials, such as air purifiers.
6 months
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