Isatuximab plus Pomalidomide and Dexamethasone in a Patient with Dialysis-Dependent Multiple Myeloma.
2021
The phase 3 ICARIA-MM trial showed that the addition of isatuximab improved the progression-free survival compared with pomalidomide/dexamethasone. However, the safety and efficacy of isatuximab for end-stage renal failure remains unclear. A 67-year-old man who started hemodialysis 5 years ago for diabetic nephropathy was diagnosed with International Staging System stage III multiple myeloma (MM) of IgD-λ type 3 years ago. After receiving a total of 7 treatment regimens, his free light chain (FLC) λ level increased from 419 to 2,070 mg/L, indicating progressive disease. Twelve days after starting isatuximab plus pomalidomide (3 mg daily) and dexamethasone (IsaPd), his FLC λ level rapidly decreased to 412 mg/L. The patient has now completed 7 courses of IsaPd with no adverse events, including infusion reactions and neutropenia. Isatuximab requires a lower dilution volume than daratumumab and can be safely and effectively administered to hemodialysis-dependent MM patients.
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