- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04464720
AIM to Improve Asthma: Airflow Improvements During Meal-Prep (AIM)
February 13, 2024 updated by: University of California, Berkeley
The investigators propose a pilot trial of kitchen ventilation in the homes of children using a youth engaged research strategy.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
In this trial of children ages 6-12, children and their households will receive an intensive home kitchen ventilation intervention after one week of baseline data collection.
The intervention includes education regarding improving ventilation in their homes during cooking and replacement of their range hood if it has inadequate flow or an intolerable noise level.
During baseline data collection periods the households will be encouraged to continue their regular cooking patterns.
The investigators will measure home particulate matter <2.5 microns (PM2.5) and nitrogen dioxide (NO2) levels for one week at baseline, and a final week after all remaining families receive the cooking ventilation intervention, to assess for changes within each household.
The investigators will also examine changes in airways inflammation (as measured by the exhaled fraction of nitric oxide, FeNO), lung function (as measured by spirometry), and reported symptoms after the baseline and intervention period.
Members of the research team have successfully conducted youth participatory action research in the low-income, high asthma prevalence community of Richmond, California (CA) as well as extensive youth participatory action research on other environmental health concerns in the low income city of Salinas, CA; using a similar model, the investigators aim to teach research methods to a new group of Richmond youth.
Study Type
Interventional
Enrollment (Actual)
20
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Stephanie Holm, MD PhD MPH
- Phone Number: (510) 621-3250
- Email: RichmondAIMstudy@gmail.com
Study Locations
-
-
California
-
Berkeley, California, United States, 94720
- University of California Berkeley
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
6 years to 12 years (Child)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Household has a gas stove
- Household has a range hood that vents to the outdoors
- Household in Richmond or San Pablo
Exclusion Criteria:
- Child has other significant medical illnesses (e.g. prematurity, diabetes)
- living with a smoker who smokes indoors
- family knows they will not have stable housing for the period of the study
- Parent is not fluent in English.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Intervention after One Week
This arm will have baseline data on air pollutant levels, stove use and range hood use collected for one week prior to receiving an educational intervention aimed at increasing use of the range hood.
Data following the intervention will be collected for an additional week.
|
An educational video presentation for the families regarding the importance of ventilation use during and after cooking, and strategies for improving the ventilation during cooking, has been created by Dr. Holm, with input from Youth Research Assistants (YRAs) The youth involvement will help to ensure that the information is presented in a way that will resonate with the local community and will also provide the youth with exposure to developing health education tools.
The educational video will be shown to families at the time of the intervention visit and they will receive printed reminder materials of what they have learned.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Continuously-Measured Home PM2.5 (Fine Particulate Matter) Levels Prior to Intervention
Time Frame: 1 week in the 'Intervention after 1 week group' and 2 weeks in the 'Intervention after 2 weeks' group
|
Home PM2.5 levels will measured in real-time using the Clarity air sensors.
|
1 week in the 'Intervention after 1 week group' and 2 weeks in the 'Intervention after 2 weeks' group
|
Continuously-Measured Home PM2.5 (Fine Particulate Matter) Levels Following Intervention
Time Frame: 2 weeks in the 'Intervention after 1 week group' and 1 week in the 'Intervention after 2 weeks' group
|
Home PM2.5 levels will measured in real-time using the Clarity air sensors.
|
2 weeks in the 'Intervention after 1 week group' and 1 week in the 'Intervention after 2 weeks' group
|
Continuously-Measured Home NO2 (Nitrogen Dioxide) Levels Prior to Intervention
Time Frame: 1 week in the 'Intervention after 1 week group' and 2 weeks in the 'Intervention after 2 weeks' group
|
Home NO2 levels will measured in real-time using the Clarity air sensors.
|
1 week in the 'Intervention after 1 week group' and 2 weeks in the 'Intervention after 2 weeks' group
|
Continuously-Measured Home NO2 (Nitrogen Dioxide) Level Following Intervention
Time Frame: 2 weeks in the 'Intervention after 1 week group' and 1 week in the 'Intervention after 2 weeks' group
|
Home NO2 levels will measured in real-time using the Clarity air sensors.
|
2 weeks in the 'Intervention after 1 week group' and 1 week in the 'Intervention after 2 weeks' group
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Spirometry- Forced Vital Capacity (FVC)
Time Frame: measured at the second home visit, after one week of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced Vital Capacity measures the total volume of air that a person can breathe out forcefully from a full breath, blowing all of it out.
|
measured at the second home visit, after one week of the study
|
Spirometry- Forced Expiratory Volume in One Second (FEV1)
Time Frame: measured at the second home visit, after one week of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced expiratory volume in one second measures the volume of air that a person breathes out forcefully in the first second of blowing out a full breath.
|
measured at the second home visit, after one week of the study
|
Spirometry- Forced Expiratory Flow (FEF)
Time Frame: measured at the second home visit, after one week of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced expiratory flow measures the flow rate at different volumes of the forced exhalation maneuver.
|
measured at the second home visit, after one week of the study
|
Spirometry-Forced Vital Capacity (FVC)
Time Frame: measured at the third home visit, after two weeks of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced Vital Capacity measures the total volume of air that a person can breathe out forcefully from a full breath, blowing all of it out.
|
measured at the third home visit, after two weeks of the study
|
Spirometry- Forced Expiratory Volume in One Second (FEV1)
Time Frame: measured at the third home visit, after two weeks of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced expiratory volume in one second measures the volume of air that a person breathes out forcefully in the first second of blowing out a full breath.
|
measured at the third home visit, after two weeks of the study
|
Spirometry- Forced Expiratory Flow (FEF)
Time Frame: measured at the third home visit, after two weeks of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced expiratory flow measures the flow rate at different volumes of the forced exhalation maneuver.
|
measured at the third home visit, after two weeks of the study
|
Spirometry-Forced Vital Capacity (FVC)
Time Frame: measured at the fourth home visit, after three weeks of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced Vital Capacity measures the total volume of air that a person can breathe out forcefully from a full breath, blowing all of it out.
|
measured at the fourth home visit, after three weeks of the study
|
Spirometry- Forced Expiratory Volume in One Second (FEV1)
Time Frame: measured at the fourth home visit, after three weeks of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced expiratory volume in one second measures the volume of air that a person breathes out forcefully in the first second of blowing out a full breath.
|
measured at the fourth home visit, after three weeks of the study
|
Spirometry- Forced Expiratory Flow (FEF)
Time Frame: measured at the fourth home visit, after three weeks of the study
|
Spirometry is a non-invasive measure of lung function.
Spirometry will be performed using an Easy One Air Spirometer; staff will be trained thoroughly in administration of the test.
Forced expiratory flow measures the flow rate at different volumes of the forced exhalation maneuver.
|
measured at the fourth home visit, after three weeks of the study
|
Fractional Exhaled Nitric Oxide (FeNO)
Time Frame: measured at the second home visit, after one week of the study
|
FeNO s a non-invasive measure of airways inflammation.
FeNO will be performed using a NIOX Vero device; staff will be trained thoroughly in administration of the test.
|
measured at the second home visit, after one week of the study
|
Fractional Exhaled Nitric Oxide (FeNO)
Time Frame: measured at the third home visit, after two weeks of the study
|
FeNO s a non-invasive measure of airways inflammation.
FeNO will be performed using a NIOX Vero device; staff will be trained thoroughly in administration of the test.
|
measured at the third home visit, after two weeks of the study
|
Fractional Exhaled Nitric Oxide (FeNO)
Time Frame: measured at the fourth home visit, after three weeks of the study
|
FeNO s a non-invasive measure of airways inflammation.
FeNO will be performed using a NIOX Vero device; staff will be trained thoroughly in administration of the test.
|
measured at the fourth home visit, after three weeks of the study
|
Asthma Control
Time Frame: measured at the second home visit, after one week of the study
|
Asthma control will be assessed using the widely-accepted, validated Asthma Control Test for children with asthma.
|
measured at the second home visit, after one week of the study
|
Asthma Control
Time Frame: measured at the third home visit, after two weeks of the study
|
Asthma control will be assessed using the widely-accepted, validated Asthma Control Test for children with asthma.
|
measured at the third home visit, after two weeks of the study
|
Asthma Control
Time Frame: measured at the fourth home visit, after three weeks of the study
|
Asthma control will be assessed using the widely-accepted, validated Asthma Control Test for children with asthma.
|
measured at the fourth home visit, after three weeks of the study
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: John R Balmes, MD, University of California, Berkeley
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
May 24, 2021
Primary Completion (Actual)
August 30, 2022
Study Completion (Actual)
December 30, 2022
Study Registration Dates
First Submitted
December 18, 2019
First Submitted That Met QC Criteria
July 6, 2020
First Posted (Actual)
July 9, 2020
Study Record Updates
Last Update Posted (Estimated)
February 15, 2024
Last Update Submitted That Met QC Criteria
February 13, 2024
Last Verified
February 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2018-01-10615
- R21ES030173 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
IPD Plan Description
There is no current plan to share data but the investigators would be willing to entertain requests from other researchers for sharing of de-identified data only.
Subjects will be asked to give permission for release of photographs of them for future presentations and other outreach materials.
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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