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This project will evaluate new approaches to quantify and reduce chemical exposures from common building materials, with an emphasis on plastic additives, pesticides, flame retardants and lead in addition to other environmental contaminants. The objective of this project is to develop methods to quantify and reduce chemical exposures from the home environment using approaches that are adaptable and customizable to individuals and households. To achieve this goal investigators will: 1) Identify the types of building materials and housing characteristics associated with higher levels of exposure to different classes of contaminants; 2) Assess the effectiveness of a simple robotic vacuuming intervention for reducing exposure to a range of indoor contaminants; and 3) Evaluate a new wearable silicone wristband for monitoring exposure to lead and other metals.
Full description
This study will leverage Project HOPE 1000 (Duke University Health System IRB Pro00100000), an existing longitudinal pregnancy cohort study. Investigators will invite a subset of women participating in HOPE 1000 (n=150) to participate in an environmental assessment involving home visits by a research team. Separate informed consent will be obtained from all participants. During home visits, environmental samples will be collected (e.g. dust and water) and participants will complete a questionnaire. A smaller subset of participants (n=50) will be asked to wear a silicone wristband to monitor ambient exposure to metals. Finally, to evaluate whether robotic vacuums can reduce exposure to environmental chemicals in the home, investigators will deploy robotic vacuum cleaners (i.e., Roomba) in 50 participants' homes. Investigators will measure a range of environmental contaminants and chemicals in environmental samples. This information will be combined with data and samples collected under the HOPE 1000 protocol. In particular, investigators will analyze maternal blood samples which have already been banked for metals and will analyze previously collected silicone wristbands for the same environmental chemicals targeted in previously collected samples.
Investigators will evaluate statistical associations between contaminants in the home and occupants' exposure. Investigators will also investigate changes in exposure before and after the intervention program. Risk to study participants includes the potential loss of confidentiality.
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75 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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