Should Any One Airway Clearance Technique be Recommended for People With Cystic Fibrosis? (ACT)

A Comparison of Five Airway Clearance Techniques in the Treatment of Adults With Cystic Fibrosis

The study was to evaluate the long term effects, over one year, of five airway clearance techniques used by people with cystic fibrosis (active cycle of breathing techniques, autogenic drainage, positive expiratory pressure and oscillating positive expiratory pressure (R-C Cornet and Flutter)). The primary outcome measure was forced expiratory volume in one second (FEV1)and the null hypothesis was that there are no differences among the regimens.

Study Overview

Status

Completed

Conditions

Study Type

Interventional

Enrollment (Actual)

75

Phase

  • Phase 4

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

16 years and older (ADULT, OLDER_ADULT, CHILD)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Diagnosis of cystic fibrosis (genotype or sweat sodium concentration greater than 70 mmol/litre)
  • Forced expiratory volume in one second greater than or equal to 25% predicted, on assessment for entry to the study.

Exclusion Criteria:

  • Evidence of a current respiratory exacerbation (Thornton et al 2004)
  • Current severe haemoptysis
  • Past history of pneumothorax
  • Awaiting lung / heart-lung transplantation
  • Pregnancy
  • Recent (within 3 months) acquisition of Burkholderia cepacia

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: PARALLEL
  • Masking: NONE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
OTHER: 1
Active cycle of breathing techniques
OTHER: 2
Autogenic drainage
OTHER: 3
R-C Cornet
OTHER: 4
Flutter
OTHER: 5
PEP

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Forced expiratory volume in one second (FEV1)
Time Frame: 48 weeks
48 weeks

Secondary Outcome Measures

Outcome Measure
Time Frame
Quality of life (Short Form-36 and Chronic Respiratory Questionnaire)
Time Frame: 48 weeks
48 weeks
Exercise capacity (Modified shuttle test)
Time Frame: 48 weeks
48 weeks

Collaborators and Investigators

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

July 1, 1999

Primary Completion (ACTUAL)

September 1, 2003

Study Completion (ACTUAL)

September 1, 2003

Study Registration Dates

First Submitted

April 28, 2009

First Submitted That Met QC Criteria

April 28, 2009

First Posted (ESTIMATE)

April 29, 2009

Study Record Updates

Last Update Posted (ESTIMATE)

April 29, 2009

Last Update Submitted That Met QC Criteria

April 28, 2009

Last Verified

April 1, 2009

More Information

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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