期刊
EUROPEAN JOURNAL OF HAEMATOLOGY
卷 106, 期 5, 页码 654-661出版社
WILEY
DOI: 10.1111/ejh.13593
关键词
adult; aspergillosis; invasive pulmonary; cytokine storm; hemophagocytic lymphohistiocytosis; lupus erythematosus; systemic; macrophage activation syndrome; ruxolitinib; subcutaneous panniculitis‐ like t‐ cell lymphoma; tuberculosis
类别
This case series demonstrates the effective use of JAK inhibition with ruxolitinib to control pathological immune activation in critically ill patients with secondary HLH, achieving good outcomes in patients with limited therapeutic options. JAK inhibition is also being urgently investigated for the treatment of cytokine storms associated with COVID-19.
Introduction Hemophagocytic lymphohistiocytosis (HLH) is a cytokine storm syndrome associated with mortality rates of up to 88%. Standard therapy with high-dose glucocorticoids and etoposide used in adults is extrapolated from pediatric trials, with significant toxicity in older patients and those with poor performance status. The JAK1/2 inhibitor ruxolitinib has recently gained attention as a treatment option for HLH due to its broad cytokine-modulating abilities and safety profile. Herein we report our center's experience using ruxolitinib in the treatment of adult-onset secondary HLH. Case series We report four patients with profound secondary HLH provoked by diverse triggers, including invasive pulmonary aspergillosis on background systemic lupus erythematosus, disseminated tuberculosis, and T-cell lymphoma treated with ruxolitinib as monotherapy or combination therapy in upfront and salvage settings. Results All four patients had rapid, sustained improvement in clinical status, inflammatory markers, and hematological cell counts followed by durable remission. Three patients developed manageable infectious complications postruxolitinib. Conclusions This series demonstrates the effective use of JAK inhibition with ruxolitinib to control pathological immune activation in critically ill patients with secondary HLH and otherwise limited therapeutic options. JAK inhibition is also an area of urgent investigation for the treatment of cytokine storm associated with COVID-19.
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