International Clinical Trial: To explore the mechanism of pharyngeal airflow negative pressure loss under nasal and mouth breathing modes in patients with obstructive sleep apnea hypopnea syndrome (OSAHS) and its effect on pharyngeal collapse

Geneva, March 23 -- International Clinical Trials Registry received information related to the study (ChiCTR2600120215) titled 'To explore the mechanism of pharyngeal airflow negative pressure loss under nasal and mouth breathing modes in patients with obstructive sleep apnea hypopnea syndrome (OSAHS) and its effect on pharyngeal collapse' on March 11.

Study Type: Observational study

Study Design: Cohort study

Primary Sponsor: Beijing Tsinghua Changgung Hospital

Condition: Obstructive sleep apnea hypopnea syndrome

Intervention: The mild OSAHS patient group:None The moderate OSAHS patient group:None

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-03-15

Target Sample Size: The mild OSAHS patient g...