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NCT02327897 · ClinicalTrials.gov registry record
NHALES (Natural History of Asthma With Longitudinal Environmental Sampling)
A clinical trial of Asthma, sponsored by National Institute of Environmental Health Sciences (NIEHS).
- Recruiting
- Registry status
- 400
- Enrollment target
- 1
- Study location
NCT02327897: Recruiting study of Asthma, sponsored by National Institute of Environmental Health Sciences (NIEHS).
NCT02327897 is a study of Asthma that is actively recruiting participants, run by National Institute of Environmental Health Sciences (NIEHS). The registered enrollment target is 400 participants, below the 1,562-participant average among 374 other Asthma trials with a reported enrollment target (74% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT02327897, a study of Asthma, is actively recruiting participants, sponsored by National Institute of Environmental Health Sciences (NIEHS).
- RECRUITING
- Registry status
- 400 participants
- Enrollment target
- 1
- Study location
Study Summary
Background: \- Asthma is a serious clinical and public health problem. Researchers want to collect data to better understand how bacteria and other things in the environment can affect people's asthma. Eligibility: \- Nonsmoking adults age 18 - 60 who have moderate to severe asthma. Design: * Participants will complete a medical history form before the first visit. * Study visits will include collecting medical history, and conducting physical exam, lung and smoking tests. Participants will give blood, urine, stool, dust, saliva, and sputum samples. * Participants will take tests that measure their breathing abilities. They will give saliva samples for DNA study. They will get kits to collect stool and dust samples at home. They will fill out surveys. * Participants will have visits every 6 months for 5 years. They can schedule sick visits, if needed, at no cost to the participant. For all visits, they will have asthma check-ups and get treatment, at no cost to the participant. * Some participants may take part in a sub-study that includes one 4-hour visit. They will have medical history, physical exam, and lung tests. They will have urine tests to check for pregnancy and tobacco exposure. Then they will have bronchoscopy. For this, an intravenous line will be placed in an arm vein. The nose and throat will be numbed. A flexible fiber-optic tube will be inserted into their airways through the nose. Their airways will be examined and areas of their lung will be washed. A small sample of cells will be taken.
Primary Outcome
Results will be evaluated in the context of the environmental exposures, clinical outcomes (symptoms, exacerbations, and quality of life), and response to therapy.
Conditions Studied
Study Locations (1)
North Carolina
- NIEHS Clinical Research Unit (CRU) - Research Triangle Park
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 400 participants |
| Start Date | 2015-09-10 |
| Est. Completion | 2030-04-01 |
What NCT02327897 shows while recruiting
NCT02327897 is an observational study that tracks outcomes without assigning an intervention. The registered 400 participants enrollment target is mid-sized for trials with a published cap, below the 1,562-participant average among 374 other Asthma trials with a reported enrollment target (74% lower).
The record links to 1 condition, with Asthma appearing as the primary indexed condition, and to 0 interventions.
NCT02327897 reports a single indexed study location in North Carolina.
Frequently Asked Questions
What is clinical trial NCT02327897 about?
NCT02327897 is a clinical study titled "NHALES (Natural History of Asthma With Longitudinal Environmental Sampling)". Background: \- Asthma is a serious clinical and public health problem. Researchers want to collect data to better understand how bacteria and other things in the environment can affect people's asthma. Eligibility: \- Nonsmoking adults age 18 - 60 who have moderate to severe asthma. Design: * P...
What is the current status of trial NCT02327897?
This trial is currently recruiting. The enrollment target is 400 participants. The study started on 2015-09-10. Estimated completion is 2030-04-01.
What conditions does trial NCT02327897 study?
This clinical trial studies the following conditions: Asthma.
Who is sponsoring clinical trial NCT02327897?
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 NCT02327897 being conducted?
This trial has 1 study location across North Carolina. 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 NCT02327897's enrollment target sits among peer trials
400 93rd of 374 higher than 280 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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