Abstract
BackroundBronchiolitis obliterans syndrome (BOS) is a devastating pulmonary complication affecting long term survivors of allogeneic hematopoietic cell transplantation. Treatment of BOS with prolonged courses of high dose corticosteroids is often associated with significant morbidity. Reducing the exposure to corticosteroids may reduce treatment related morbidity. Our institution has recently begun to treat patients with emerging therapies in an effort to diminish steroid exposure.MethodsWe retrospectively reviewed the 6-month corticosteroid exposure, lung function, and failure rates in 8 patients with newly diagnosed BOS who were treated with a combination of fluticasone, azithromycin and montelukast (FAM) and a rapid corticosteroid taper. These patients were compared to 14 matched historical patients who received high dose corticosteroids followed by a standard taper.ResultsThe median 6-month prednisone exposure in FAM-treated patients was 1819 mg [0 mg to 4036 mg] compared to 7163 mg [6551 mg to 7829 mg] in the control group (p = 0.002). The median FEV1 change in FAM-treated patients was 2% [−3% to 4%] compared to 1% [−4 to 5%] in the control group (p = 1.0).DiscussionPrednisone exposure in FAM patients was one quarter that of a retrospective matched group of patients, with minimal change in median FEV1, suggesting that BOS may be spared of the morbidities associated with long-term corticosteroid use by using alternative agents with less side effects.
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