Completed OBSERVATIONAL NCT00499304

Forced Oscillation Technique (FOT) and Expiratory Flow Limitation (EFL)

Diagnosing Expiratory Flow Limitation in COPD Patients With the Forced Oscillation Technique Using Linear Regression in the Time Frequency Domain

Sponsor: Medical Center Alkmaar

Conditions COPD

Updated 6 times since 2017 Last updated: Jun 5, 2008 Started: Nov 30, 2006 Primary completion: Apr 30, 2008 Completion: Apr 30, 2008

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00499304, this observational or N/A phase trial focuses on COPD and remains completed. Sponsored by Medical Center Alkmaar, it has been updated 6 times since 2006, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jan 2021 — Jul 2024 [monthly]

Completed
Jun 2018 — Jan 2021 [monthly]

Completed
Apr 2018 — Jun 2018 [monthly]

Completed

Phase: NA → None

▶ Show 1 earlier version

Jan 2017 — Apr 2018 [monthly]

Completed NA

First recorded

Nov 2006

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Medical Center Alkmaar

Data source: Medical Center Alkmaar

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Alkmaar, Netherlands