Influence of the CPAP (continuous positive airway pressure) on the nocturnal frequency in patients with SAS (the sleep apnea syndrome): analysis on its usefulness and underlying mechanisms

Influence of the CPAP (continuous positive airway pressure) on the nocturnal frequency in patients with SAS (the sleep apnea syndrome): analysis on its usefulness and underlying mechanisms - Effect of the CPAP treatment on the nocturnal frequency in patients with the sleep apnea syndrome

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000008246

Enrollment

100

Registered

2012-06-25

Start date

2012-05-01

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

sleep apnea syndrome

Interventions

Continuous positive airway pressure

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing polysomnography due to suspicious diagnosis of SAS

Exclusion criteria

Exclusion criteria: 1)Patients with active urinary tract infection, urolithiasis, or interstitial cystitis 2)Patients with bladder tumor to be treated or previously treated 3)Patients with a history of prostatectomy or radiotherapy 4)Patients treated with diuretics 5)Patients with serious complications such as cardiovascular disease, diabetes mellitus in poor control, liver disease, renal disease, immune system disease, lung disease or malignant tumor 6)Women in pregnancy or nursing, or women who wish to be pregnant during study participation 7)Patients judged to be inappropriate for this study by investigators

Design outcomes

Primary

Measure	Time frame
Change in nocturnal frequency after CPAP treatment	—

Countries

Japan

Contacts

Public ContactYasuyuki Miyauchi

KKR Takamatsu Hospital Department of Urology

miyauchi@kkr-ta-hp.gr.jp087-861-3261

Outcome results

None listed

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