Successful treatment of bortezomib-refractory multiple myeloma derived from monoclonal gammopathy of undetermined significance with dose-adjusted lenalidomide therapy in a patient with concomitant end-stage renal disease due to diabetic nephropathy requiring haemodialysis
2014
Malignancy is a fatal complication of end-stage renal disease (ESRD) requiring haemodialysis. However, the successful treatment of haematological malignancies has been rarely reported. We describe the case of a 63-year-old man who presented with IgA-type multiple myeloma (MM; Durie–Salmon stage IIIB) derived from monoclonal gammopathy of undetermined significance concomitant with ESRD due to diabetic nephropathy. First, haemodialysis was initiated before chemotherapy, and bortezomib and dexamethasone were found to be ineffective. Subsequently, 8 courses of dose-adjusted lenalidomide therapy were administered according to the degree of haematological and renal functions. The patient remained in partial remission without disease progression for 21 months. Thus, lenalidomide therapy is effective for bortezomib-refractory MM concomitant with ESRD.
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