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NCT00338403 · ClinicalTrials.gov registry record · NA
Effects of Continuous Airway Pressure on the Ability to Heat and Humidify Air
A NA study, sponsored by University of Chicago.
- Completed
- Registry status
- NA
- Development phase
- 10
- Enrollment target
NCT00338403: Completed NA study, sponsored by University of Chicago.
NCT00338403 is a NA study that has completed, run by University of Chicago. The registered enrollment target is 10 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00338403, a NA study, has completed, sponsored by University of Chicago.
- COMPLETED
- Registry status
- NA
- Development phase
- 10 participants
- Enrollment target
Study Summary
We hypothesize that continuous positive pressure applied to the airway will decrease the ability of the nose to warm and humidify inspired air compared to zero or negative pressure. We will use continuous positive airway pressure (CPAP), a device commonly used to treat patients with sleep apnea, to vary the pressure in the airway and determine if increased pressure decreases the ability to warm and humidify inspired air. If our hypothesis is correct, it may explain the reason why CPAP is poorly tolerated in patients with sleep apnea; i.e., less ability to warm and humidify air leading to more nasal mucosal irritation.
Interventions
- PROCEDURE Continuous positive airway pressure (CPAP) at -5, 0, 5 and 10 cm of water
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 10 participants |
| Start Date | 2006-06 |
| Est. Completion | 2006-09 |
| Phase | NA |
What the finished NCT00338403 record still lists
NCT00338403 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 10 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower).
The record links to 0 conditions, and to 1 intervention - of which Continuous positive airway pressure (CPAP) at -5, 0, 5 and 10 cm of water is the first listed.
NCT00338403 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00338403 about?
NCT00338403 is a clinical study titled "Effects of Continuous Airway Pressure on the Ability to Heat and Humidify Air". We hypothesize that continuous positive pressure applied to the airway will decrease the ability of the nose to warm and humidify inspired air compared to zero or negative pressure. We will use continuous positive airway pressure (CPAP), a device commonly used to treat patients with sleep apnea, to...
What is the current status of trial NCT00338403?
This trial is currently completed. It is a NA study. The enrollment target is 10 participants. The study started on 2006-06. Estimated completion is 2006-09.
What interventions are being tested in trial NCT00338403?
The interventions under investigation include: Continuous positive airway pressure (CPAP) at -5, 0, 5 and 10 cm of water (PROCEDURE).
Who is sponsoring clinical trial NCT00338403?
This trial is sponsored by University of Chicago, which has 796 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00338403's enrollment target sits among peer trials
10 1927th of 2000 higher than 26 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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