| NCT Number | NCT07347366 |
| Lead Sponsor | Pusan National University Yangsan Hospital |
| Conditions | Sputum |
| Enrollment | 45 participants |
| Start Date | 2025-09-23 |
| Primary Completion | 2026-10-30 (estimated) |
| Study Completion | 2026-12-31 (estimated) |
| Updated on ClinicalTrials.gov | 2026-01-16 |