Geneva, March 23 -- International Clinical Trials Registry received information related to the study (ChiCTR2600120377) titled 'Effect of pharyngeal pressure loss on negative effort dependence in obstructive sleep apnea and hypopnea syndrome with different pharyngeal collapse patterns' on March 13.

Study Type: Observational study

Study Design: Cross-sectional

Primary Sponsor: Beijing Tsinghua Changgung Hospital

Condition: Obstructive sleep apnea hypopnea syndrome

Intervention: Observation group 1 (mild OSAHS patients):None Observation group 2 (moderate OSAHS patients):None

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-03-15

Target Sample Size: Observation group 1 (mild OSAHS patients):30;Obser...