# Urban Environmental Factors and Childhood Asthma

> **NCT00114881** · — · COMPLETED · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 560 (actual)

## Conditions studied

- Asthma
- Allergy

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00114881
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2005-02-02
- **Primary completion:** 2024-08-31
- **Final completion:** 2024-08-31
- **Target enrollment:** 560 (ACTUAL)
- **Last updated:** 2025-07-18

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00114881

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00114881, "Urban Environmental Factors and Childhood Asthma". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00114881. Licensed CC0.

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