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Prediction system for risk of allograft loss in patients receiving kidney transplants: international derivation and validation study

9/21/2019

 
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The first universal algorithm for predicting the risk of kidney transplant loss, named iBox, has been developed, validated and just made public by teams from Europe and the US.

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The iBox is designed for clinicians to personalize and improve patient follow-up. The iBox could also accelerate the development of new immunosuppressive treatments by reducing the duration of clinical trials and defining a valid surrogate endpoint.
Chronic kidney disease affects 1 out of 10 people worldwide and is steadily increasing. When it reaches end-stage renal disease and endangers the lives of patients, dialysis or transplantation is required. ​

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PTG awarded the ESOT StrongeR Together Pro Award

9/16/2019

 
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The team of the Paris Transplant Group has been awarded at the ESOT 2019 congress in Copenhagen for its many contribution in the field of transplantation. 

The Prize is given to a single Institution having submitted at least 5 abstracts for the event and granted with the best score. The Paris Transplant Group is very pleased to won this European award twice in a row. 

Check out the contribution submitted by the Group on the ESOT website: esotcongress.org.

Disparities in Acceptance of Deceased Donor Kidneys Between the United States and France and Estimated Effects of Increased US Acceptance

8/26/2019

 
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New publication in JAMA Internal Medicine: The first international analysis of renal transplant patient data shows that a change in allocation criteria in the United States could benefit patients on the waiting list. Thousands more kidneys could be transplanted each year if the United States used, as France does, kidneys from older donors.
Nearly 5,000 people in the United States and 3,500 in Europe die each year waiting for a kidney transplant. Yet, over the same period, in the United States, more than 3,500 available kidneys were discarded. The Journal of the American Medical Association (JAMA) Internal Medicine today published our results, obtained with the help of an international team, that compared the use of kidneys available in the United States and France between 2004 and 2014. ​
Using a new approach based on validated analytical methods and computer simulations, this work revealed that French transplant centres are much more likely to transplant kidneys from older donors than their American counterparts, and that this effectively increases the number of patients transplanted. 

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PTG at ESOT2019

6/18/2019

 
From 15 to 18 September 2019 the annual event of the European Society for Organ Transplantation (ESOT) takes place in Copenhagen.

ESOT is the European umbrella organisation under which all European transplant professionals are organized. The organisation trains and supports its members through various European programmes and events, such as the 2019 event in Copenhagen.
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During the event, a specific symposium is held for the EU Train-ESOT that highlights the methodological and statistical risks clinical researchers can face in the field of transplantation. Carmen Lefaucheur, Olivier Aubert, Alexandre Loupy, Yassine Bouatou, Dany Anglicheau and Christophe Legendre are invited to speak during this event to present the future of patient care in transplantation.
Check the poster submitted by Marc Raynaud here. 

You can follow the event through social media with the hashtag #ESOT2019 and @ParisTxGroup.

All aboard the EU-TRAIN at ESOT2019

5/2/2019

 
The first EU TRAIN – ESOT symposium takes place at the ESOT2019 Congress in Copenhagen.

This is a unique opportunity to “get on board” the EU-TRAIN, the European Transplantation and Innovation Consortium for Risk Stratification in Kidney Transplant Patients. 
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The symposium will not only introduce the consortium, but it will also focus on the methodological and statistical pitfalls clinical researchers can face in the field of transplantation.
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Archetype Analysis Identifies Distinct Profiles in Renal Transplant Recipients with Transplant Glomerulopathy Associated with Allograft Survival

3/14/2019

 
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New research conducted by the Paris Translational Research Center for Organ Transplantation team could help clinicians determine which patients will have a disease that usually occurs after a kidney transplant and which are at high risk of transplant failure. The results are published today in the prestigious Journal of the American Society of Nephrology (JASN).

Transplant glomerulopathy was first described and characterized 50 years ago. It is a disease associated with the loss of a kidney transplant and common after a transplant. It affects the functional units (i. e. glomeruli) of the transplanted kidney. There is currently no treatment for this heterogeneous disease.

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The Banff 2017 Kidney Meeting Report

12/15/2017

 
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​REVISED DIAGNOSTIC CRITERIA FOR CHRONIC ACTIVE T CELL–MEDIATED REJECTION, ANTIBODY‐MEDIATED REJECTION, AND PROSPECTS FOR INTEGRATIVE ENDPOINTS FOR NEXT‐GENERATION CLINICAL TRIALS
​The kidney sessions of the 2017 Banff Conference focused on 2 areas: clinical implications of inflammation in areas of interstitial fibrosis and tubular atrophy (i-IFTA) and its relationship to T cell-mediated rejection (TCMR), and the continued evolution of molecular diagnostics, particularly in the diagnosis of antibody-mediated rejection (ABMR). In confirmation of previous studies, it was independently demonstrated by 2 groups that i-IFTA is associated with reduced graft survival. Furthermore, these groups presented that i-IFTA, particularly when involving >25% of sclerotic cortex in association with tubulitis, is often a sequela of acute TCMR in association with underimmunosuppression. The classification was thus revised to include moderate i-IFTA plus moderate or severe tubulitis as diagnostic of chronic active TCMR. Other studies demonstrated that certain molecular classifiers improve diagnosis of ABMR beyond what is possible with histology, C4d, and detection of donor-specific antibodies (DSAs) and that both C4d and validated molecular assays can serve as potential alternatives and/or complements to DSAs in the diagnosis of ABMR. The Banff ABMR criteria are thus updated to include these alternatives. Finally, the present report paves the way for the Banff scheme to be part of an integrative approach for defining surrogate endpoints in next-generation clinical trials.

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