Cyclophosphamide, Bortezomib and Methylprednisolone (CyBorMe) for the Treatment of AL Amyloidosis: Initial Experience From a Single Center


The use of cyclophosphamide, bortezomib and dexamethasone (CyBorD) is widely accepted in the treatment of AL amyloidosis (AL). Recently, the substitution of dexamethasone by methylprednisolone (CyBorMe) appeared to improve response rates and survival outcomes. All consecutive newly diagnosed AL amyloidosis treated with CyBorMe from 01/19 to 08/20 were evaluated. A historic cohort of patients treated with CyBorD was used for comparison (01/13–08/20). Methylprednisolone was given IV at 500 mg weekly for 4 weeks in the CyBorMe group. 43 patients were treated with CyBorD and 14 with CyBorMe. After a median of 4 cycles of CyBorD and 3 cycles of CyBorMe, Hematological Response was seen in 90.6% and 92.8% of cases, including CR in 28.5% and 35.7%, VGPR in 33.3% and 35.7% and PR in 30.9% and 21.4% for CyBorD and CyBorMe, respectively. Time to first response was faster in the CyBorMe group (4 vs. 6 weeks) and cardiac response was observed in 44% and 31% of patients treated with CyBorMe and CyBorD, respectively. CyBorMe appeared to be efficacious and well tolerated in patients with AL amyloidosis. Prospective studies with CyBorMe in the stage III/IV group are warranted aiming to minimize toxicity.

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Correspondence to Victor H. Jimenez-Zepeda.

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Jimenez-Zepeda, V.H., Lee, H., Fine, N. et al. Cyclophosphamide, Bortezomib and Methylprednisolone (CyBorMe) for the Treatment of AL Amyloidosis: Initial Experience From a Single Center. Indian J Hematol Blood Transfus (2021).

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  • CyBorMe
  • CyBorD
  • AL amyloidosis
  • Organ response