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NCT00839644 · ClinicalTrials.gov registry record · NA
Airway Secretion Clearance in Cystic Fibrosis
A NA study, sponsored by University of Colorado, Denver.
- Terminated
- Registry status
- NA
- Development phase
- 166
- Enrollment target
NCT00839644: Clinical Trial NA study, sponsored by University of Colorado, Denver.
NCT00839644 is a NA study that was terminated before completion, run by University of Colorado, Denver. The registered enrollment target is 166 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (88% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00839644, a NA study, was terminated before completion, sponsored by University of Colorado, Denver.
- TERMINATED
- Registry status
- NA
- Development phase
- 166 participants
- Enrollment target
Study Summary
The purpose of this study is to compare the effect of three airway secretion clearance techniques (chest physical therapy, flutter device and high frequency chest wall oscillation) on decline in pulmonary function over a three year period in patients with cystic fibrosis.
Interventions
- DEVICE High frequency chest wall oscillation
- DEVICE Oscillatory Positive Expiratory Pressure
- OTHER PD&P: Postural drainage and percussion
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 166 participants |
| Start Date | 1999-12 |
| Est. Completion | 2003-06 |
| Phase | NA |
Why NCT00839644 stopped before completion
NCT00839644 is an interventional study that assigns participants to a tested intervention. The registered 166 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (88% lower).
The record links to 0 conditions, and to 3 interventions - of which High frequency chest wall oscillation is the first listed.
NCT00839644 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00839644 about?
NCT00839644 is a clinical study titled "Airway Secretion Clearance in Cystic Fibrosis". The purpose of this study is to compare the effect of three airway secretion clearance techniques (chest physical therapy, flutter device and high frequency chest wall oscillation) on decline in pulmonary function over a three year period in patients with cystic fibrosis.
What is the current status of trial NCT00839644?
This trial is currently terminated. It is a NA study. The enrollment target is 166 participants. The study started on 1999-12. Estimated completion is 2003-06.
What interventions are being tested in trial NCT00839644?
The interventions under investigation include: High frequency chest wall oscillation (DEVICE), Oscillatory Positive Expiratory Pressure (DEVICE), PD&P: Postural drainage and percussion (OTHER).
Who is sponsoring clinical trial NCT00839644?
This trial is sponsored by University of Colorado, Denver, which has 1,283 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00839644's enrollment target sits among peer trials
166 625th of 2000 higher than 1,375 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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