Durham Healthy Breathing in Healthy Homes Project (DHBHH)

  • participants needed
  • sponsor
    Duke University
Updated on 6 February 2023


To determine if Home-based Environmental Interventions (HEI) that improve home air-quality problems can improve asthma outcomes. Participants will benefit through home-based environmental interventions that improve home air-quality problems and improve asthma outcomes. All participants will receive a Breath Easy at Home Kit, which could help with reducing environmental exposures. The primary objective is to assess the feasibility and acceptability of the HEI measured by the proportion of families completing intervention components and proportion of caregivers expressing satisfaction with intervention components. Secondary objective is to explore the efficacy of a HEI on reducing environmental exposures measured using personal wristband monitors.

Exploratory objective is improvements in asthma control following HEI measured using asthma control scores and lung function. The fourth objection is to explore correlations between demographics, body weight, housing characteristics (smokers, electronic cigarette use, number of pets, housing type) with measures of acceptability, satisfaction and improved exposure markers.


The investigator propses a 23-week prospective, open label, single center, environmental remediation intervention study in 5-16 year old children with poor asthma control. At visit 1, wristbands will be dispensed and collected to estimate exposure to a suite of common organic contaminants including phthalates, organophosphate esters, several pesticides and polyaromatic hydrocarbons (PAH). During the initial home visit, the Healthy Homes Housing Specialist will conduct an environmental home assessment to identify asthma triggers in accordance with the EPA's recommendations for helping children with asthma. The Housing Specialist will follow the EPA document Home Characteristics and Asthma Triggers, and will provide the family with a Breathe Easy at Home Kit. The Specialist will provide training and instructions on how to use each of the supplies provided in the kit. If the Housing Specialist identifies necessary home repairs during the assessment process, the Housing Specialist can refer the family to organizations that offer home repairs, modifications, and weatherization services. The specialist will discuss the importance of clean air for maintaining lung health for all family members and will discuss the importance of banning of any indoor smoking, smoking anywhere around the household and smoking in any household automobiles (even when the child is not present). Follow up phone calls will be conducted to answer questions, complete questionnaires and complete a household environmental interview.

Condition Poor Asthma Control
Treatment Breathe Easy at Home Kit Products
Clinical Study IdentifierNCT04119271
SponsorDuke University
Last Modified on6 February 2023

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