Skip to content

The effects of continuous positive airway pressure (CPAP) treatment on brain activity during sleep in obstructive sleep apnea (OSA).

The effects of continuous positive airway pressure (CPAP) treatment on brain activity during sleep in obstructive sleep apnea (OSA): A high-density electroencephalography (EEG) investigation

Status
Completed
Phases
Unknown
Study type
Observational
Source
ANZCTR
Registry ID
ACTRN12617000336381
Enrollment
15
Registered
2017-03-03
Start date
2017-03-01
Completion date
2018-03-29
Last updated
2022-08-15

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

Conditions

None listed

Brief summary

This research study which will investigate the effect of continuous positive airway pressure (CPAP) treatment on brain wave activity recorded using high density electroencephalography (EEG) in patients diagnosed with moderate to severe obstructive sleep apnea. The study will examine changes in sleep and wake brain activity profiles and how these may relate to neurobehavioural function including memory following CPAP treatment.

Interventions

Patients with a confirmed diagnosis of OSA will undergo overnight sleep study (polysomnography, PSG) with simultaneous high density EEG recordings of brain activity before and after 3 months of continuous positive airway pressure (CPAP) treatment. CPAP is the current gold-standard treatment for OSA. Participants will follow the routine clinical care pathway: this includes 1) mask fitting and CPAP education session in the afternoon followed by an overnight in-lab CPAP titration study that night,

Patients with a confirmed diagnosis of OSA will undergo overnight sleep study (polysomnography, PSG) with simultaneous high density EEG recordings of brain activity before and after 3 months of continuous positive airway pressure (CPAP) treatment. CPAP is the current gold-standard treatment for OSA. Participants will follow the routine clinical care pathway: this includes 1) mask fitting and CPAP education session in the afternoon followed by an overnight in-lab CPAP titration study that night, then follow up care with the CPAP Educator to monitor adherence either in person or over the phone during the treatment period approximately at weeks 2, 6 and 12 weeks after initiating treatment . No parameters of the treatment are determined based on participation in this study. Study participants undergo CPAP treatment as prescribed by their treating physician .

Sponsors

Woolcock Institute of Medical Research
Lead SponsorOther

Eligibility

Sex/Gender
Male
Age
40 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

A diagnosis of moderate OSA defined by an apnea-hypopnea index (AHI) of greater than 15/hr as measured by PSG and confirmed by sleep physician. Participants must be recommended for CPAP treatment by their treating physician and be willing to commence 3 months of CPAP use. Participants must fluent in English and also have the ability to perform neurobehavioural tests and provide informed consent.

Exclusion criteria

Clinically significant co-morbidity; history of head injury or psychiatric/neurological disorder (including stroke); use of CNS active agents; heavy alcohol consumption (40g daily); current shift-worker or travelled overseas within the last 2 weeks; previously used CPAP.

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026