The effect of position therapy device on sleep parameters in patients with positional obstructive sleep apnea.

The effect of position therapy device on sleep parameters in patients with positional obstructive sleep apnea. - The effect of PTD on sleep parameters in patients with POSA.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041400

Enrollment

160

Registered

2020-08-13

Start date

2019-09-25

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

obstructive sleep apnea

Interventions

position therapy device-set polysomnography(n=80) oral appliance-set polysomnography (n=80)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: the apnea hypopnea index score was 5 per hour or more by the PSG.

Exclusion criteria

Exclusion criteria: five or more central sleep apnea events per hour at a baseline PSG, patient not willing to cooperate ,prefer early continuous positive airway pressure or surgical treatments, evidence of tonsil hypertrophy, nasal obstruction or any diseases in the nasal cavity, uncontrolled or serious illness i.e. chronic heart failure, pulmonary disease such as asthma or chronic obstructive pulmonary disease, any other comorbid sleep disorder that would compromise functional sleep assessment ,for example, narcolepsy, parasomnia, periodic limb movement disorder, or physical problems causing inability to sleep on the side

Design outcomes

Primary

Measure	Time frame
AHI(/h) %supine(%) %snoring time(%) arousal index(/h) respiratory arousal index(/h) spontaneous arousal index(/h) sleep efficiency(%) %wake (%) %REM(%) %N1 (%) %N2 (%) %N3 (%)	—

Countries

Japan

Contacts

Public ContactMasaaki Suzuki

Teikyo University Chiba Medical Center Dept. of Otorhinolaryngology

suzukima@med.teikyo-u.ac.jp0436-62-1211

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026