Abstract
Epstein–Barr virus-associated hemophagocytic lymphohistiocytosis (EBV-HLH) is a severe hyperinflammatory illness that affects adults and is caused by an EBV infection. Without allogeneic hematopoietic stem cell transplantation (allo-HSCT), the overall survival of adult patients with EBV-HLH is unsatisfactory, necessitating the development of innovative therapeutic approaches. The clinical records of twelve EBV-HLH patients who received sintilimab therapy combined with ruxolitinib on a compassionate basis at the First Affiliated Hospital of Soochow University were retrospectively examined in this investigation. All the patients responded without fever, but three patients relapsed within a week. Among the nine patients achieving complete response (CR), 55.6% (5/9) maintained CR for >4.5 months, and 33.3% (3/9) relapsed following CR. Neither patients with no response (NR) nor relapsed patients were fit for allo-HSCT, and all died soon after discharge. Six patients had clinical CR with a median follow-up of 5 (4.4–14.7) months. There were no documented severe negative effects. Additional information on this innovative treatment for adult EBV-HLH is provided in our report.
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Data availability
The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
Abbreviations
- EBV:
-
Epstein–Barr virus
- HLH:
-
Hemophagocytic lymphohistiocytosis
- HSCT:
-
Hematopoietic stem cell transplantation
- CR:
-
Complete response
- PR:
-
Partial response
- NR:
-
No response
- PD-1:
-
Programmed death protein-1
- RUX:
-
Ruxolitinib
- JAK:
-
Janus kinase
- STAT:
-
Signal transducer and activator of transcription
- CSS:
-
Cytokine storm syndrome
- HL:
-
Hodgkin lymphoma
- MLBCL:
-
Mediastinal large B-cell lymphoma
- GM-CSF:
-
Granulocyte macrophage colony-stimulating factor
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Acknowledgements
We thank the other doctors on the medical team (Jin Zhou, Yan Wang, Shengwei Lu, Yan Huang) for their work in treating patients.
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YX contributed to study design and had full access to all data in the study. YX and WL collected patient samples and analyzed the data. YX and XH drafted the manuscript. JG, XH, and XH reviewed the manuscript.
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Our research was granted an ethics exemption from the ethics committee of the First Affiliated Hospital of Soochow University due to the retrospective and noninterventional nature of the study. The study was based on existing data collected in the course of routine clinical practice, and no additional risks were posed to the patients. Therefore, the need for individual informed consent was waived by the ethics committee.
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Xu, Y., Li, W., Gan, J. et al. An analysis of sintilimab combined with ruxolitinib as compassionate therapy for 12 adults with EBV-associated hemophagocytic lymphohistiocytosis. Ann Hematol 102, 3325–3333 (2023). https://doi.org/10.1007/s00277-023-05476-z
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DOI: https://doi.org/10.1007/s00277-023-05476-z