Rituximab, plasma exchange and immunoglobulins: an ineffective treatment for chronic active antibody-mediated rejection

Gaston J. Piñeiro, Erika De Sousa-Amorim, Manel Sole, Jose Rios, Miguel Lozano, Frederic Cofan, Pedro Ventura-Aguiar, David Cucchiari, Ignacio Revuelta, Joan Cid, Eduard Palou, Josep M. Campistol, Federico Oppenheimer, Jordi Rovira, Fritz Diekmann

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Background: Chronic active antibody-mediated rejection (c-aABMR) is an important cause of allograft failure and graft loss in long-term kidney transplants.Methods: To determine the efficacy and safety of combined therapy with rituximab, plasma exchange (PE) and intravenous immunoglobulins (IVIG), a cohort of patients with transplant glomerulopathy (TG) that met criteria of active cABMR, according to BANFF'17 classification, was identified.Results: We identified 62 patients with active c-aABMR and TG (cg >= 1). Twenty-three patients were treated with the combination therapy and, 39 patients did not receive treatment and were considered the control group. There were no significant differences in the graft survival between the two groups. The number of graft losses at 12 and 24 months and the decline of eGFR were not different and independent of the treatment. A decrease of eGFR >= 13 ml/min between 6 months before and c-aABMR diagnosis, was an independent risk factor for graft loss at 24 months (OR = 5; P = 0.01). Infections that required hospitalization during the first year after c-aABMR diagnosis were significantly more frequent in treated patients (OR = 4.22; P = 0.013), with a ratio infection/patient-year of 0.65 and 0.20 respectively.Conclusions: Treatment with rituximab, PE, and IVIG in kidney transplants with c-aABMR did not improve graft survival and was associated with a significant increase in severe infectious complications.
Idioma originalInglés
Número de artículo261
Número de páginas9
PublicaciónBMC Nephrology
Volumen19
DOI
EstadoPublicada - 11 oct 2018

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