# Geographic Modeling of Traffic and Asthma Rates

> **NCT00041834** · — · COMPLETED · sponsor: **National Institute of Environmental Health Sciences (NIEHS)**

## Conditions studied

- Asthma

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00041834
- **Lead sponsor:** National Institute of Environmental Health Sciences (NIEHS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2000-09
- **Primary completion:** —
- **Final completion:** 2003-08
- **Target enrollment:** — (—)
- **Last updated:** 2005-06-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00041834

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00041834, "Geographic Modeling of Traffic and Asthma Rates". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00041834. Licensed CC0.

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