Effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejection
Abstract Background In kidney transplantation, immunotherapy with thymoglobulin (rATG) has been used to down-regulate the patient immune system. rATG is a powerful immunobiologic drug used to deplete lymphocytes to prevent early acute rejection. The aim of this research was to evaluate the effects o...
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doaj-c9cfc4abba9d4d94891e3601777ad8682020-11-25T03:42:13ZengBMCBMC Nephrology1471-23692019-08-012011910.1186/s12882-019-1497-5Effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejectionMarcus Faria Lasmar0Rodrigo Santana Dutra1José Augusto Nogueira-Machado2Raquel A. Fabreti-Oliveira3Raquel Gomes Siqueira4Evaldo Nascimento5University Hospital of the Faculty of Medical ScienceUniversity Hospital of the Faculty of Medical ScienceInstitute of Research and Education of the Hospital Santa CasaFaculty of Medical SciencesFaculty of Medical SciencesFaculty of Medical SciencesAbstract Background In kidney transplantation, immunotherapy with thymoglobulin (rATG) has been used to down-regulate the patient immune system. rATG is a powerful immunobiologic drug used to deplete lymphocytes to prevent early acute rejection. The aim of this research was to evaluate the effects of immunotherapy by rATG on graft suvival during a 9-year period in kidney-transplanted patients with different immunological profiles. Methods A sample of 469 patients were allocated into four groups (G) based on immunological risk of rejection: G1, low risk, not sensitized recipients, solid-phase immunoassay with single antigen beads (SPI-SAB) < 10%; G2, medium risk I, sensitized recipients, SPI-SAB ≥ 10 < 50%; G3, medium risk II sensitized (SPI-SAB ≥50%); and G4, high risk, sensitized recipients, SPI-SAB- donor-specific antibody positive (DSA+). Only patients from G3 and G4 received immunotherapy. Results Of 255 patients who received a kidney from a living donor (LD), 42 (16.47%) from all groups (G) had T-cell–mediated rejection (TCMR) and four (G1) lost their grafts, 8 (3.14%) had antibody-mediated rejection (AMR), and two lost their graft in G1 and G4. Of 214 patients who received a kidney from deceased donors (DD), 37 (17.29%) had TCMR with one lost graft in G1. AMR was shown in 13 (6.07%) patients, with three losses observed in G2. Statistical differences between the groups in the 9-year graft survival rate were found only in the comparison of G1 versus G2 (P = 0.005) and G2 versus G4 (P = 0.047) for DD. For LD, no statistical differences were found. Conclusion This clinical retrospective study shows that immunotherapy induction was associated with improvement of outcomes, graft function, and survival in patients treated with immunotherapy in comparison with patients who did not received induction therapy. These findings strongly suggest that immunotherapy should be used for all patients transplanted with kidneys from deceased donors.http://link.springer.com/article/10.1186/s12882-019-1497-5Kidney transplantationOutcomeThymoglobulinImmunotherapy inductionRisk of rejectionGraft survival |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Marcus Faria Lasmar Rodrigo Santana Dutra José Augusto Nogueira-Machado Raquel A. Fabreti-Oliveira Raquel Gomes Siqueira Evaldo Nascimento |
spellingShingle |
Marcus Faria Lasmar Rodrigo Santana Dutra José Augusto Nogueira-Machado Raquel A. Fabreti-Oliveira Raquel Gomes Siqueira Evaldo Nascimento Effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejection BMC Nephrology Kidney transplantation Outcome Thymoglobulin Immunotherapy induction Risk of rejection Graft survival |
author_facet |
Marcus Faria Lasmar Rodrigo Santana Dutra José Augusto Nogueira-Machado Raquel A. Fabreti-Oliveira Raquel Gomes Siqueira Evaldo Nascimento |
author_sort |
Marcus Faria Lasmar |
title |
Effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejection |
title_short |
Effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejection |
title_full |
Effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejection |
title_fullStr |
Effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejection |
title_full_unstemmed |
Effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejection |
title_sort |
effects of immunotherapy induction on outcome and graft survival of kidney-transplanted patients with different immunological risk of rejection |
publisher |
BMC |
series |
BMC Nephrology |
issn |
1471-2369 |
publishDate |
2019-08-01 |
description |
Abstract Background In kidney transplantation, immunotherapy with thymoglobulin (rATG) has been used to down-regulate the patient immune system. rATG is a powerful immunobiologic drug used to deplete lymphocytes to prevent early acute rejection. The aim of this research was to evaluate the effects of immunotherapy by rATG on graft suvival during a 9-year period in kidney-transplanted patients with different immunological profiles. Methods A sample of 469 patients were allocated into four groups (G) based on immunological risk of rejection: G1, low risk, not sensitized recipients, solid-phase immunoassay with single antigen beads (SPI-SAB) < 10%; G2, medium risk I, sensitized recipients, SPI-SAB ≥ 10 < 50%; G3, medium risk II sensitized (SPI-SAB ≥50%); and G4, high risk, sensitized recipients, SPI-SAB- donor-specific antibody positive (DSA+). Only patients from G3 and G4 received immunotherapy. Results Of 255 patients who received a kidney from a living donor (LD), 42 (16.47%) from all groups (G) had T-cell–mediated rejection (TCMR) and four (G1) lost their grafts, 8 (3.14%) had antibody-mediated rejection (AMR), and two lost their graft in G1 and G4. Of 214 patients who received a kidney from deceased donors (DD), 37 (17.29%) had TCMR with one lost graft in G1. AMR was shown in 13 (6.07%) patients, with three losses observed in G2. Statistical differences between the groups in the 9-year graft survival rate were found only in the comparison of G1 versus G2 (P = 0.005) and G2 versus G4 (P = 0.047) for DD. For LD, no statistical differences were found. Conclusion This clinical retrospective study shows that immunotherapy induction was associated with improvement of outcomes, graft function, and survival in patients treated with immunotherapy in comparison with patients who did not received induction therapy. These findings strongly suggest that immunotherapy should be used for all patients transplanted with kidneys from deceased donors. |
topic |
Kidney transplantation Outcome Thymoglobulin Immunotherapy induction Risk of rejection Graft survival |
url |
http://link.springer.com/article/10.1186/s12882-019-1497-5 |
work_keys_str_mv |
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