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Australian Trial of Ventilation in Chronic Airflow Limitation

Effect of home ventilatory support on clinical outcomes for patients on long term home oxygen therapy.

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12605000205639
Acronym
AVCAL
Enrollment
200
Registered
2005-08-23
Start date
1998-01-03
Completion date
Unknown
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

A comparison of non-invasive nasal ventilation (NIV) during sleep plus long term oxygen therapy (LTOT) versus LTOT alone. The trial takes place over 2 years. In the intervention group, NIV is administered continuously during sleep every night during the trial.

Sponsors

Professor RD McEvoy MD, MBBS
Lead SponsorIndividual

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Open (masking not used)

Eligibility

Sex/Gender
All
Age
0 to 80 Years
Healthy volunteers
No

Inclusion criteria

Chronic Airflow Limitation (FEV1< 1.5 or < 50% Predicted; FEV1/FVC < 60%, TLC > 92%; FEV1 with bronchodilators < 20%)+Daytime awake PaCO2 >46 mm Hg at least twice in the previous 6 months during periods of clinical stability;+Willing and competent to sign informed consent.+Under 80 years of age+On oxygen therapy for a minimum of three months prior to enrollment.

Exclusion criteria

Serious coexisting disease (eg. left ventricular failure, malignancy, renal failure, unstable angina) likely to affect survival during the study period+Significant Obstructive Sleep Apnea (defined as Apnoea/hypopoea index >20/h) or Obesity Hypoventilation Syndrome +Significant recent psychological or psychiatric problems likely to significantly impair ability to participate in the study and comply with treatment; +Previous treatment with NIV.

Outcome results

None listed

Source: ANZCTR · Data processed: Apr 3, 2026