Customized Approaches for Evaluating & Reducing Chemical Exposures From

Status Enrolling by invitation

Clinical Trial Summary

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.

Clinical Trial 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. ;

Study Design

Related Conditions & MeSH terms

Environmental Exposure

Clinical Trial Details

NCT number	NCT05416281
Study type	Interventional
Source	Duke University
Contact
Status	Enrolling by invitation
Phase	N/A
Start date	August 11, 2022
Completion date	June 2025

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Customized Approaches for Evaluating and Reducing Chemical Exposures From Home Building Materials

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms