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Minimization of maintenance immunosuppressive therapy after renal transplantation comparing cyclosporine A/azathioprine or cyclosporine A/mycophenolate mofetil bitherapy to cyclosporine A monotherapy: a 10‐year postrandomization follow‐up study
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Antoine Thierry Yann Lemeur Laure Ecotière Ramzi Abou‐Ayache Isabelle Etienne Charlotte Laurent Vincent Vuiblet Charlotte Colosio Nicolas Bouvier Jean‐Claude Aldigier Jean‐Philippe Rerolle Vincent Javaugue Elise Gand Frank Bridoux Marie Essig Bruno Hurault de Ligny Guy Touchard 《Transplant international》2016,29(1):23-33
Long‐term outcomes in renal transplant recipients withdrawn from steroid and submitted to further minimization of immunosuppressive regimen after 1 year are lacking. In this multicenter study, 204 low immunological risk kidney transplant recipients were randomized 14.2 ± 3.7 months post‐transplantation to receive either cyclosporine A (CsA) + azathioprine (AZA; n = 53), CsA + mycophenolate mofetil (MMF; n = 53), or CsA monotherapy (n = 98). At 3 years postrandomization, the occurrence of biopsy for graft dysfunction was similar in bitherapy and monotherapy groups (21/106 vs. 26/98; P = 0.25). At 10 years postrandomization, patients’ survival was 100%, 94.2%, and 95.8% (P = 0.25), and death‐censored graft survival was 94.9%, 94.7%, and 95.2% (P = 0.34) in AZA, MMF, and CsA groups, respectively. Mean estimated glomerular filtration rate was 70.4 ± 31.1, 60.1 ± 22.2, and 60.1 ± 19.0 ml/min/1.73 m2, respectively (P = 0.16). The incidence of biopsy‐proven acute rejection was 1.4%/year in the whole cohort. None of the patients developed polyomavirus‐associated nephropathy. The main cause of graft loss (n = 12) was chronic antibody‐mediated rejection (n = 6). De novo donor‐specific antibodies were detected in 13% of AZA‐, 21% of MMF‐, and 14% of CsA‐treated patients (P = 0.29). CsA monotherapy after 1 year is safe and associated with prolonged graft survival in well‐selected renal transplant recipient ( ClinicalTrials.gov number: 980654). 相似文献
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Regression of glomerulosclerosis with high-dose angiotensin inhibition is linked to decreased plasminogen activator inhibitor-1 总被引:7,自引:0,他引:7
Ma LJ Nakamura S Aldigier JC Rossini M Yang H Liang X Nakamura I Marcantoni C Fogo AB 《Journal of the American Society of Nephrology : JASN》2005,16(4):966-976
The potential and possible mechanisms for regression of existing glomerulosclerosis by angiotensin II type 1 receptor antagonist (AT1RA) and/or angiotensin I converting enzyme inhibitor (ACEI) were investigated. Adult male Sprague Dawley rats underwent 5/6 nephrectomy (Nx). Glomerulosclerosis was assessed by renal biopsy 8 wk later, and rats were divided into groups with equal biopsy sclerosis and treated for the next 4 wk until they were killed at 12 wk as follows: Control with no further treatment (CONT), high-dose AT1RA, high-dose ACEI, and varying AT1RA+ACEI combinations. Hypertension and proteinuria induced by 5/6 Nx were significantly decreased by all treatments, except high-dose ACEI, which showed persistent proteinuria. High-dose AT1RA and ACEI markedly decreased progression of sclerosis, with -2.3% average decrease in sclerosis from biopsy to autopsy in AT1RA versus 194% increase in CONT (P < 0.0001). Glomerulosclerosis regressed, with less severe lesions at the time when the rats were killed than at biopsy in 62% of AT1RA-treated and 57% of ACEI-treated rats. In contrast, only 17 to 33% of rats in combination groups had regression. Alternatively, these data might be viewed as reflecting halting of progression, as some groups had higher BP and proteinuria. However, this potential confounding effect does not negate the effects to achieve regression of sclerosis in these rats. Regression was not explained by changes in mRNA of TGF-beta1 and matrix metalloproteinase-2 and -9 but was linked to decreased tissue inhibitor of metalloproteinase-1 and plasminogen activator inhibitor-1. It is concluded that angiotensin inhibition mediates regression in part by effects on matrix modulation. 相似文献
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Cécile Couchoud Bénédicte Stengel Paul Landais Jean-Claude Aldigier Fran?ois de Cornelissen Christian Dabot Hervé Maheut Véronique Joyeux Michèle Kessler Michel Labeeuw Hubert Isnard Christian Jacquelinet 《Nephrology, dialysis, transplantation》2006,21(2):411-418
The French Renal Epidemiology and Information Network (REIN) registry began in 2002 to provide a tool for public health decision support, evaluation and research related to renal replacement therapies (RRT) for end-stage renal disease (ESRD). It relies on a network of nephrologists, epidemiologists, patients and public health representatives, coordinated regionally and nationally. Continuous registration covers all dialysis and transplanted patients. In 2003, 2070 patients started RRT, 7854 were on dialysis and 7294 lived with a functioning graft in seven regions (with a population of 16.5 million people). The overall crude annual incidence rate of RRT for ESRD was 123 per million population (p.m.p.) with significant differences in age-adjusted rates across regions, from 84 [95% confidence interval (CI): 74-94] to 155 [138-172] p.m.p. The principal causes of ESRD were hypertension (21%) and diabetic (20%) nephropathies. Initial treatment for ESRD was peritoneal dialysis for 15% of patients and a pre-emptive graft for 3%. The one-year survival rate was 81% [79-83] in the cohort of 2002-2003 incident patients. As of December 31, 2003, the overall crude prevalence was 898 [884-913] p.m.p, with 5% of patients receiving peritoneal dialysis, 47% on haemodialysis and 48% with a functioning graft. The experience in these seven regions over these two years clearly shows the feasibility of the REIN registry, which is progressively expanding to cover the entire country. 相似文献
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Role of the monoclonal kappa chain V domain and reversibility of renal damage in a transgenic model of acquired Fanconi syndrome 总被引:1,自引:1,他引:0
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Sirac C Bridoux F Carrion C Devuyst O Fernandez B Goujon JM El Hamel C Aldigier JC Touchard G Cogné M 《Blood》2006,108(2):536-543
Acquired Fanconi syndrome (FS) is a complication of monoclonal gammopathies featuring a generalized dysfunction of the proximal tubule of the kidney, due to the storage within proximal tubular cells of a monoclonal immunoglobulin light chain. We engineered transgenic mice in which the endogenous mouse Jkappa cluster was replaced by a human VkappaJkappa rearranged gene cloned from a patient with smoldering myeloma-associated FS. The V region belonged to the VkappaI subgroup and was related to the O2-O12 germ-line gene, a V segment previously found associated with FS and light-chain crystallization in several patients with myeloma. Association of the human VkappaI domain with a mouse kappa constant domain in transgenic animals yielded a nephrotoxicity pattern similar to that observed in patients, strongly suggesting that the whole pathogenic effect of FS light chains can be ascribed to a peculiar structure of the V domain. Morphologic alterations of the kidney tubular cells, which contained rhomboid-shape crystals, were observed in mice, together with alterations of the proximal tubule reabsorption function. Moreover, the number of renal crystalline inclusions was dramatically reduced after conditional deletion of the human VkappaI transgene, showing that proximal tubular lesions are reversible upon suppression of the nephrotoxic light chain secretion. 相似文献