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NCT00840528 · ClinicalTrials.gov registry record · NA

Genetic Susceptibility TO Ozone-induced Airway Inflammation in Humans

A NA study, sponsored by University of North Carolina, Chapel Hill.

Completed
Registry status
NA
Development phase
84
Enrollment target

NCT00840528: Completed NA study, sponsored by University of North Carolina, Chapel Hill.

NCT00840528 is a NA study that has completed, run by University of North Carolina, Chapel Hill. The registered enrollment target is 84 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (94% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00840528, a NA study, has completed, sponsored by University of North Carolina, Chapel Hill.

COMPLETED
Registry status
NA
Development phase
84 participants
Enrollment target

Study Summary

The principal purpose of this study is to identify hyper-responsive, responsive and non-responsive groups of healthy human subjects based on their airway neutrophilic response to ozone exposure, and to perform micro-array analyses on DNA collected from recovered airway cells to explore possible differences in gene expression profiles between the three groups

Interventions

  • OTHER ozone

Trial Details

FieldValue
Enrollment Target 84 participants
Start Date 2002-02
Est. Completion 2017-06-20
Phase NA

What the finished NCT00840528 record still lists

NCT00840528 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 84 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (94% lower).

The record links to 0 conditions, and to 1 intervention - of which ozone is the first listed.

NCT00840528 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00840528 about?

NCT00840528 is a clinical study titled "Genetic Susceptibility TO Ozone-induced Airway Inflammation in Humans". The principal purpose of this study is to identify hyper-responsive, responsive and non-responsive groups of healthy human subjects based on their airway neutrophilic response to ozone exposure, and to perform micro-array analyses on DNA collected from recovered airway cells to explore possible diff...

What is the current status of trial NCT00840528?

This trial is currently completed. It is a NA study. The enrollment target is 84 participants. The study started on 2002-02. Estimated completion is 2017-06-20.

What interventions are being tested in trial NCT00840528?

The interventions under investigation include: ozone (OTHER).

Who is sponsoring clinical trial NCT00840528?

This trial is sponsored by University of North Carolina, Chapel Hill, which has 1,109 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00840528's enrollment target sits among peer trials

84 983rd of 2000 higher than 1,011 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA 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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Source: ClinicalTrials.gov NCT00840528, the US trial registry maintained by the National Library of Medicine. NCT00840528 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.