bronchiolitis obliterans. Respiratory bronchiolitis interstitial lung disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age below 16 years Allogeneic hematopoietic stem cell transplantation (HSCT) over the past year Forced Expiratory Volume in one second (FEV1) < 70 % (based on Pulmonary Function Test) Diagnosis of BOS in end-stage phase with the history and clinical evaluation by a pediatric pulmonologist, and the presence of air-trapping or small airway involvement in high-resolution computed tomography (HRCT) Absence of concomitant infections Irresponsible to full-dose corticosteroids Give the informed consent by the patients' legal guardians
Exclusion criteria
Exclusion criteria: Suspicion to any bacterial or viral pneumonia CMV, VZV, HSV and/or fungal pneumonia Haploidentical and/or T-cell deplete transplantation Prior history of allergy or sensitivity to drugs Relapse or progression of underlying malignancy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Forced expiratory volume in one second (FEV1). Timepoint: Before intervention and then 1,3,6 months after intervention. Method of measurement: Pulmonary Function Test (Spirometry).;FEV1/FVC ratio. Timepoint: Before intervention and then 1,3,6 months after intervention. Method of measurement: Pulmonary Function Test (Spirometry). | — |
Secondary
| Measure | Time frame |
|---|---|
| Fractional exhaled nitric oxide (FeNO). Timepoint: Before intervention and then 1,3,6 months after intervention. Method of measurement: FeNO test. | — |
Countries
Iran (Islamic Republic of)
Contacts
Tehran University of Medical Sciences