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NCT00043992 · ClinicalTrials.gov registry record
Outdoor Allergen Exposure, Sensitivity, and Acute Asthma
A clinical trial of Asthma, sponsored by National Institute of Environmental Health Sciences (NIEHS).
- Completed
- Registry status
- 1,000
- Enrollment target
- 1
- Study location
NCT00043992: Completed study of Asthma, sponsored by National Institute of Environmental Health Sciences (NIEHS).
NCT00043992 is a study of Asthma that has completed, run by National Institute of Environmental Health Sciences (NIEHS). The registered enrollment target is 1,000 participants, below the 1,561-participant average among 374 other Asthma trials with a reported enrollment target (36% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00043992, a study of Asthma, has completed, sponsored by National Institute of Environmental Health Sciences (NIEHS).
- COMPLETED
- Registry status
- 1,000 participants
- Enrollment target
- 1
- Study location
Study Summary
To examine the role of outdoor pollen grains and fungal spores in the exacerbation of asthma and to produce forecasting models to predict days of high concentration.
Conditions Studied
Study Locations (1)
Massachusetts
- Fallon Clinic and Fallon Community Health Plan - Worcester
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 1,000 participants |
| Start Date | 2001-07 |
What the finished NCT00043992 record still lists
NCT00043992 is an observational study that tracks outcomes without assigning an intervention. Its 1,000 participants enrollment target places it among the larger protocols in the corpus, below the 1,561-participant average among 374 other Asthma trials with a reported enrollment target (36% lower).
The record links to 1 condition, with Asthma appearing as the primary indexed condition, and to 0 interventions.
NCT00043992 reports a single indexed study location in Massachusetts.
Frequently Asked Questions
What is clinical trial NCT00043992 about?
NCT00043992 is a clinical study titled "Outdoor Allergen Exposure, Sensitivity, and Acute Asthma". To examine the role of outdoor pollen grains and fungal spores in the exacerbation of asthma and to produce forecasting models to predict days of high concentration.
What is the current status of trial NCT00043992?
This trial is currently completed. The enrollment target is 1,000 participants. The study started on 2001-07.
What conditions does trial NCT00043992 study?
This clinical trial studies the following conditions: Asthma.
Who is sponsoring clinical trial NCT00043992?
This trial is sponsored by National Institute of Environmental Health Sciences (NIEHS), which has 145 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00043992 being conducted?
This trial has 1 study location across Massachusetts. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Asthma
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT00043992's enrollment target sits among peer trials
1,000 42nd of 374 higher than 332 of 374 other Asthma trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Asthma trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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