Hemoglobin-corrected DLCO%predicted ≥20% and \<70%;
Post-bronchodilator FEV1%predicted ≤80%;
COPD Assessment Test (CAT) score ≥3;
You may not be if
History of ≥2 COPD exacerbations leading to hospitalization within 1 year prior to screening, or a COPD exacerbation leading to hospitalization within 2 months prior to screening;
Current or previous history of malignancy;
An assessed life expectancy of \<1 year;
Respiratory tract infection or systemic infection requiring treatment, or severe localized infection within 4 weeks prior to screening;
History of invasive or non-invasive mechanical ventilation within 4 weeks prior to screening;
Diagnosis of pneumonia within 3 months prior to screening;
Abnormal coagulation function affecting the safety of fiberoptic bronchoscopy procedures at screening;
Subjects requiring long-term maintenance anticoagulant therapy or antiplatelet therapy, who are unable to discontinue such medications for at least 1 week prior to cell collection and cell infusion;
