| NCT Number | NCT06375824 |
| Lead Sponsor | Henan University of Traditional Chinese Medicine
Collaborators: West China Hospital, The First Affiliated Hospital of Zhejiang Chinese Medical University |
| Conditions | Preserved Ratio Impaired Spirometry |
| Enrollment | 1,100 participants |
| Start Date | 2024-05-01 |
| Primary Completion | 2027-04-30 (estimated) |
| Study Completion | 2027-10-31 (estimated) |
| Updated on ClinicalTrials.gov | 2024-04-19 |