Abstract
Idiophatic pneumonia syndrome (IPS) is a term used to describe lung injury following hematopoietic stem cell transplantation (HSCT) without an infectious etiology. Diagnostic criteria include multilobar infiltrates on chest X-ray, clinical symptoms consistent with pneumonia and evidence of abnormal pulmonary physiology. The incidence after autologous transplantation is low (6%) but it has a high mortality (70–80%). Treatment with high-dose steroids has been used but the results are discouraging. Etanercept is a recombinant human soluble TNF receptor fusion protein that inhibits tumor necrosis factor α (TNFα) function. Recently, promising results have been obtained with etanercept for the treatment of acute and chronic GVHD after HSCT, but there is a little information regarding adverse effects. We report a case of IPS after autologous peripheral blood progenitor cell transplantation (PBPCT) successfully treated with etanercept. The patient developed cerebral toxoplasmosis immediately after etanercept treatment with a good outcome.
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Gonzalez-Vicent, M., Diaz, M.A., Sevilla, J. et al. Cerebral toxoplasmosis following etanercept treatment for idiophatic pneumonia syndrome after autologous peripheral blood progenitor cell transplantation (PBPCT). Ann Hematol 82, 649–653 (2003). https://doi.org/10.1007/s00277-003-0705-2
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DOI: https://doi.org/10.1007/s00277-003-0705-2