# Natural History of the Human Biological Response to Environmental Exposure and Injury

> **NCT04888923** · — · RECRUITING · sponsor: **National Institute of Environmental Health Sciences (NIEHS)** · enrollment: 2000 (estimated)

## Conditions studied

- Inflammation
- Normal Controls
- Metabolic Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04888923
- **Lead sponsor:** National Institute of Environmental Health Sciences (NIEHS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2021-11-16
- **Primary completion:** 2031-12-31
- **Final completion:** 2031-12-31
- **Target enrollment:** 2000 (ESTIMATED)
- **Last updated:** 2026-04-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04888923

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04888923, "Natural History of the Human Biological Response to Environmental Exposure and Injury". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04888923. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
