Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare hematologic malignancy that is highly aggressive with a poor prognosis. There is no standard treatment for BPDCN. Although conventional chemotherapies are usually sensitive in the initial therapy, relapse and drug resistance are inevitable within a short duration. Targeted therapies have enlightened new prospects for the treatment of BPDCN, especially for those in a frail state and intolerable to standard chemotherapies or hematopoietic stem cell transplantation. Here, we report an 82-year-old man diagnosed with cutaneous-limited BPDCN. Considering the old age and limited involvement of the tumor, we reduced the dosage of venetoclax. His skin lesions subsided significantly after 1 cycle of azacytidine (100 mg d1-7) combined with reduced doses of venetoclax (200 mg d1-14). The reduction in the dose of venetoclax avoided severe myelosuppression while achieving satisfactory outcomes. The patient received 2 cycles of therapy with no skin lesions re-occurred for 7 months before relapsing.
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This study was funded by grants from the National Natural Science Foundation of China (No. 82170123).
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Qiuyan Wang, Yajing Zhao, and Xiao Zang were involved in Conceptualization, Methodology, Investigation, Formal analysis, and Writing - original draft; Guizhi Zhou and Yongxia Liu made the Histopathologic diagnosis, and Conceptualization. Qi Feng, Xin Li, Wen Wang, and Xiaoyuan Dong were involved in Visualization and investigation; Chuan-fang Liu and Peng Jun were involved in Resources and Supervision; Xin-guang Liu was involved in Conceptualization, Resources, Supervision and Writing - Review & Editing.
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Wang, Q., Zhao, Y., Zang, X. et al. Low-dose venetoclax combined with azacitidine for blastic plasmacytoid dendritic cell neoplasm: a case report and literature review. Ann Hematol 103, 999–1005 (2024). https://doi.org/10.1007/s00277-024-05633-y
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DOI: https://doi.org/10.1007/s00277-024-05633-y