# Airway Secretion Clearance in Cystic Fibrosis

> **NCT00839644** · NA · TERMINATED · sponsor: **University of Colorado, Denver** · enrollment: 166 (actual)

## Conditions studied

- Cystic Fibrosis

## Interventions

- **DEVICE:** High frequency chest wall oscillation
- **DEVICE:** Oscillatory Positive Expiratory Pressure
- **OTHER:** PD&P: Postural drainage and percussion

## Key facts

- **NCT ID:** NCT00839644
- **Lead sponsor:** University of Colorado, Denver
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 1999-12
- **Primary completion:** 2002-12
- **Final completion:** 2003-06
- **Target enrollment:** 166 (ACTUAL)
- **Why stopped:** High dropout, problems recruiting, and smaller than expected decline in FEV1.
- **Last updated:** 2012-10-02

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00839644

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00839644, "Airway Secretion Clearance in Cystic Fibrosis". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT00839644. Licensed CC0.

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