Auto-titrating continuous positive airway pressure in patients with chronic heart failure and obstructive sleep apnoea

ISRCTN ISRCTN24943566
DOI https://doi.org/10.1186/ISRCTN24943566
Protocol serial number PG/02/131/14612
Sponsor University of Edinburgh (UK)
Funder British Heart Foundation (UK) (ref: PG/02/131/14612, PG/02/078/14122)
Submission date
23/04/2006
Registration date
20/11/2006
Last edited
14/11/2022
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Circulatory System
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Prof David Newby
Scientific

Centre for Cardiovascular Science
Chancellor's Building
49 Little France Crescent
Edinburgh
EH16 4SB
United Kingdom

Study information

Primary study designInterventional
Study designRandomised double-blind placebo-controlled crossover trial
Secondary study designRandomised controlled trial
Scientific titleAuto-titrating continuous positive airway pressure in patients with chronic heart failure and obstructive sleep apnoea
Study objectivesAuto-titrating Continuous Positive Airway Pressure (CPAP) improves subjective and objective measures of Chronic Heart Failure (CHF) severity in patients with CHF and Obstructive Sleep Apnoea (OSA).
Ethics approval(s)The trial was approved by the Lothian Regional Ethics Committee (ref: LREC/2002/4/25) in 2002.
Health condition(s) or problem(s) studiedChronic heart failure and obstructive sleep apnoea
InterventionAuto-titrating CPAP versus sham CPAP.
Intervention typeOther
Primary outcome measure(s)

Changes in peak maximal oxygen uptake (VO2) and six-minute walk distance.

Key secondary outcome measure(s)

Changes in:
1. LVEF
2. Minute ventilation versus carbon dioxide production (VE/VCO2) slope
3. Plasma neurohormonal makers
4. Quality of life

Completion date01/04/2005

Eligibility

Participant type(s)Patient
Age groupNot Specified
SexNot Specified
Target sample size at registration30
Total final enrolment26
Key inclusion criteria1. Stable symptomatic CHF (Left Ventricular Ejection Fraction [LVEF] less than 45%)
2. On optimal medical therapy with obstructive sleep apnoea (Apnea-Hypopnea Index [AHI] more than or equal to 15)
Key exclusion criteria1. Acute coronary syndrome less than 3/12
2. Primary valvular heart disease
3. Sustained ventricular arrhythmias
4. Stroke with residual neurological deficit
Date of first enrolment01/07/2002
Date of final enrolment01/04/2005

Locations

Countries of recruitment

  • United Kingdom
  • Scotland

Study participating centre

Centre for Cardiovascular Science
Edinburgh
EH16 4SB
United Kingdom

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing planNot provided at time of registration

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article 01/05/2007 Yes No

Editorial Notes

14/11/2022: Total final enrolment added.