Understanding how environment and genes affect health

Personalized Environment and Genes Study

Observational National Institutes of Health Clinical Center (CC) · NCT00341237

This study looks at how our genes and the environment around us work together to affect our health, especially for common diseases like diabetes and heart disease.

Quick facts

Study typeObservational
Enrollment25000 (estimated)
Ages18 Years to 120 Years
SexAll
SponsorNational Institutes of Health Clinical Center (CC) NIH
Locations1 site (Research Triangle Park, North Carolina)
Trial IDNCT00341237 on ClinicalTrials.gov

What this trial studies

The Personalized Environment and Genes Study (PEGS) investigates the interplay between genetic factors and environmental exposures to better understand the causes of common diseases such as diabetes, heart disease, and asthma. By integrating genetic and environmental data, the study aims to identify novel risk factors and improve disease prevention strategies. Participants will provide health and exposure information, which will be analyzed to uncover genetic susceptibilities to specific environmental factors. This observational study seeks to create a valuable resource for future environmental health research.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older who can provide informed consent and are willing to participate in study-related visits.

Not a fit: Patients who are pregnant or unable to attend the required study visits may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to personalized prevention strategies that reduce the risk of common diseases based on individual genetic and environmental profiles.

How similar studies have performed: Other studies have shown success in exploring gene-environment interactions, making this approach both relevant and promising.

Eligibility criteria

Show full inclusion / exclusion criteria
* INCLUSION CRITERIA

In order to be eligible for participation in this study, an individual must meet all of the following criteria:

* Adults greater than or equal to 18 years of age
* If female, must not be (self-reported as) pregnant. At the time of enrollment, a pregnancy test will only be done at the PI s discretion.
* Able to understand and provide written informed consent
* Able to come to the NIEHS Clinical Research Unit (CRU) for enrollment and study-related visits/procedures.

EXCLUSION CRITERIA

An individual who does not meet the inclusion criteria listed above is excluded from participation in this study.

Where this trial is running

Research Triangle Park, North Carolina

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions DiabetesHeart DiseaseAsthmaGenotypePhenotypeEnvironmental FactorSingle Nucleotide PolymorphismNatural History
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.