# Genetic Epidemiology of Asthma in Costa Rica

> **NCT00021840** · — · COMPLETED · sponsor: **Brigham and Women's Hospital** · enrollment: 4245 (actual)

## Conditions studied

- Asthma
- Lung Diseases

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00021840
- **Lead sponsor:** Brigham and Women's Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2001-07
- **Primary completion:** 2011-07
- **Final completion:** 2011-07
- **Target enrollment:** 4245 (ACTUAL)
- **Last updated:** 2014-08-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00021840

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00021840, "Genetic Epidemiology of Asthma in Costa Rica". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT00021840. Licensed CC0.

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