AutoVPAP Versus VPAP; Assessment of Sleep and Ventilation

June 20, 2008 updated by: ResMed

Crossover Trial of VPAP (Variable Positive Airway Pressure) Ventilation Versus AutoVPAP in Neuromuscular and Chest Wall Disease: Effects on Nocturnal Hypoventilation, Sleep Quality and Tolerance

The aim of the study is to compare the effects of a modified form (AutoVPAP) of the VPAP non-invasive ventilator versus standard VPAP ventilation on sleep quality and breathing during sleep in stable patients with nocturnal hypoventilation due to restrictive ventilatory disorders (eg. neuromuscular disease or chest wall disorder).

Study Overview

Study Type

Interventional

Enrollment (Actual)

20

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Greater London
      • London, Greater London, United Kingdom, SW3 6NP
        • Royal Brompton Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients aged 18-80 years
  • Nocturnal hypoventilation (nocturnal peak transcutaneous PCO2 > 6.5 kPa when breathing spontaneously) with
  • Congenital neuromuscular disease (eg. Duchenne muscular dystrophy, congenital muscular dystrophy), acquired neuromuscular disease (eg. old polio, bilateral diaphragm paralysis) or chest wall disease (eg. idiopathic scoliosis, thoracoplasty)
  • Recruited from 1300 patients attending Royal Brompton Hospital Lind ward ventilator clinic.
  • All patients will be familiar with non-invasive ventilation use but currently using a ventilator which is not a VPAP model eg. BiPAP Harmony, Breas PV403.
  • Able to understand treatment and protocol

Exclusion Criteria:

  • Unstable respiratory failure (PaO2 < 7.5 kPa, PaCO2 > 8.0 kPa,
  • Uncontrolled heart failure or arrhythmia
  • Moderate or severe bulbar weakness.
  • Unable to understand treatment or protocol

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Compare objective measures of sleep, sleep related ventilation and daytime respiratory function between the two treatment devices, VPAP and AutoVPAP.

Secondary Outcome Measures

Outcome Measure
Compare tolerance of AutoVPAP versus standard VPAP
Compare effects on overnight heart rate variation (as a measure of autonomic stress)
Measure of hours of use of device
Measure of effect on daytime sleepiness

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Principal Investigator: Anita Simonds, MD, FRCP, Royal Brompton & Harefield NHS Foundation Trust

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2005

Primary Completion (Actual)

June 1, 2007

Study Completion (Actual)

December 1, 2007

Study Registration Dates

First Submitted

November 9, 2005

First Submitted That Met QC Criteria

November 9, 2005

First Posted (Estimate)

November 11, 2005

Study Record Updates

Last Update Posted (Estimate)

June 24, 2008

Last Update Submitted That Met QC Criteria

June 20, 2008

Last Verified

June 1, 2008

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2005LF009B
  • REC Ref No 05/Q0404/001

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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