Bronchiolitis Obliterans Clinical Trial
Official title:
Evaluating Clonogenic Epithelial Cell Populations in Patients With Bronchiolitis Obliterans Syndrome
This study investigates a type of cell, called abnormal clonogenic epithelial cells, in patients with bronchiolitis obliterans syndrome who have had an donor stem cell transplant or a lung transplant. Learning more about clonogenic cells in these patients may help doctors to detect signs of bronchiolitis obliterans syndrome earlier in future patients.
PRIMARY OBJECTIVE: I. To characterize epithelial cell phenotypes in allogeneic hematopoietic cell transplant (allo-HCT) recipients at MD Anderson Cancer Center (MDACC) and in lung transplant recipients at Houston Methodist who have bronchiolitis obliterans syndrome (BOS). OUTLINE: Patients undergo collection of blood samples and 3 brushings of the airway during standard of care (SOC) bronchoscopy. After the bronchoscopy, patients undergo 2 nasal brushings (swabs). Patients' medical records are also reviewed for data collection. After completion of study, patients are followed for up to 1 year. ;
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