Understanding how environmental factors affect human health

Natural History of The Human Biological Response to Environmental Exposure and Injury

National Institutes of Health Clinical Center (CC) · NCT04888923

This study looks at how things like pollution and diet affect our health, especially inflammation and metabolic diseases, by collecting samples and health information from participants.

Quick facts

Study typeObservational
Enrollment2000 (estimated)
Ages18 Years to 90 Years
SexAll
SponsorNational Institutes of Health Clinical Center (CC) (nih)
Locations1 site (Research Triangle Park, North Carolina)
Trial IDNCT04888923 on ClinicalTrials.gov

What this trial studies

This observational study aims to explore the relationship between environmental exposures, such as pollution and diet, and their impact on human health, particularly focusing on inflammation and metabolic diseases. Participants will provide various biological samples, including blood, urine, and saliva, and answer health-related questionnaires to help researchers identify how these factors contribute to disease development. The study will analyze biological markers of injury and inflammation to better understand the mechanisms behind environmentally induced health issues.

Who should consider this trial

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

Not a fit: Patients who are currently pregnant, lactating, or have conditions that may pose undue risk during study procedures will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved prevention and treatment strategies for diseases linked to environmental factors.

How similar studies have performed: Other studies have shown success in understanding the impact of environmental factors on health, making this approach both relevant and promising.

Eligibility criteria

Show full inclusion / exclusion criteria
* INCLUSION CRITERIA:

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

1. Stated willingness to comply with all study procedures and availability for the duration of the study.
2. Ability to provide informed consent.
3. Able to read and speak English.
4. Male or female, aged greater than or equal to 18.
5. Able to travel to the NIEHS CRU for study visits.

EXCLUSION CRITERIA:

An individual who meets any of the following criteria will be excluded from participation in this study:

1. Not willing to have samples stored for future use.
2. Current pregnancy or lactation, by participant verbal confirmation.
3. Any condition that, in the investigator s opinion, places the participant at undue risk for complications associated with required study procedures.

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.

View on ClinicalTrials.gov →

Conditions: Inflammation, Normal Controls, Metabolic Disease, Blood Collection, Natural History

Last reviewed 2026-05-15 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.