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Daratumumab for Bortezomib-Refractory Proliferative Glomerulonephritis With Monoclonal Immunoglobulin Deposits in
Zewei Chen1,2, Shangxi Fu3, Jun Wu1
1Division of Nephrology, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China.
Despite treatment with immunosuppressive or clone-targeted chemotherapy, patients with proliferative glomerulonephritis with monoclonal immunoglobulin deposit (PGNMID) frequently progress into end-stage kidney failure, and early recurrence of PGNMID after kidney transplantation is common. The standard management of PGNMID has been unclear, currently based on data from small cohorts, which requires a need for additional therapeutic regimens in this disease. A human IgG monoclonal antibody that targets CD38 (daratumumab) was recently identified as a potential therapeutic option for treating PGNMID. To date, rare data on the application of daratumumab in patients with PGNMID after kidney transplantation have been reported. Herein, we first described a unique patient with recurrent PGNMID in kidney allograft who was treated with daratumumab after not responding to bortezomib-based regimens. Daratumumab was shown to successfully reduce proteinuria with stabilizing kidney function and was well-tolerated in this patient, which supports that daratumumab appears to be a viable option for treatment-resistant PGNMID.
Despite treatment with immunosuppressive or clone-targeted chemotherapy, patients with proliferative glomerulonephritis with monoclonal immunoglobulin deposit (PGNMID) frequently progress into end-stage kidney failure, and early recurrence of PGNMID after kidney transplantation is common. The standard management of PGNMID has been unclear, currently based on data from small cohorts, which requires a need for additional therapeutic regimens in this disease. A human IgG monoclonal antibody that targets CD38 (daratumumab) was recently identified as a potential therapeutic option for treating PGNMID. To date, rare data on the application of daratumumab in patients with PGNMID after kidney transplantation have been reported. Herein, we first described a unique patient with recurrent PGNMID in kidney allograft who was treated with daratumumab after not responding to bortezomib-based regimens. Daratumumab was shown to successfully reduce proteinuria with stabilizing kidney function and was well-tolerated in this patient, which supports that daratumumab appears to be a viable option for treatment-resistant PGNMID.
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