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  1. Article: Repurposing HLA genotype data of renal transplant patients to prevent severe drug hypersensitivity reactions.

    Manson, Lisanne E N / Delwig, Sander J / Drabbels, Jos J M / Touw, Daan J / De Vries, Aiko P J / Roelen, Dave L / Guchelaar, Henk-Jan

    Frontiers in genetics

    2023  Volume 14, Page(s) 1289015

    Abstract: Introduction: ...

    Abstract Introduction:
    Language English
    Publishing date 2023-10-16
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2606823-0
    ISSN 1664-8021
    ISSN 1664-8021
    DOI 10.3389/fgene.2023.1289015
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Diagnosis and treatment of allograft rejection in islet transplantation.

    Landstra, Cyril P / Nijhoff, Michiel F / Roelen, Dave L / de Vries, Aiko P J / de Koning, Eelco J P

    American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons

    2023  Volume 23, Issue 9, Page(s) 1425–1433

    Abstract: Islet transplantation stabilizes glycemic control in patients with complicated diabetes mellitus. Rapid functional decline could be due to islet allograft rejection. However, there is no reliable method to assess rejection, and treatment protocols are ... ...

    Abstract Islet transplantation stabilizes glycemic control in patients with complicated diabetes mellitus. Rapid functional decline could be due to islet allograft rejection. However, there is no reliable method to assess rejection, and treatment protocols are absent. We aimed to characterize diagnostic features of islet allograft rejection and assess effectiveness of high-dose methylprednisolone treatment. Over a median follow-up of 61.8 months, 22% (9 of 41) of islet transplant recipients experienced 10 suspected rejection episodes (SREs). All first SREs occurred within 18 months after transplantation. Important features were unexplained hyperglycemia (all cases), unexplained C-peptide decrease (ΔC-peptide, 77.1% [-59.1% to -91.6%]; ΔC-peptide:glucose, -76.3% [-49.2% to -90.4%]), predisposing event (5 of 10 cases), and increased immunologic risk (5 of 10 cases). At 6 months post-SRE, patients who received protocolized methylprednisolone (n = 4) had significantly better islet function than untreated patients (n = 4), according to C-peptide (1.39 ± 0.59 vs 0.14 ± 0.19 nmol/L; P = .007), Igls score (good [4 of 4 cases] vs failure [3 of 4 cases] or marginal [1 of 4 cases]; P = .018) and β score (6.0 [6.0-6.0] vs 1.0 [0.0-3.5]; P = .013). SREs are prevalent among islet transplant recipients and are associated with loss of islet graft function. Timely treatment with high-dose methylprednisolone mitigates this loss. Unexplained hyperglycemia, unexpected C-peptide decrease, a predisposing event, and elevated immunologic risk are diagnostic indicators for SRE.
    MeSH term(s) Humans ; Islets of Langerhans Transplantation/methods ; C-Peptide ; Peptides ; Hyperglycemia/diagnosis ; Hyperglycemia/drug therapy ; Hyperglycemia/etiology ; Allografts
    Chemical Substances C-Peptide ; Peptides
    Language English
    Publishing date 2023-06-10
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2060594-8
    ISSN 1600-6143 ; 1600-6135
    ISSN (online) 1600-6143
    ISSN 1600-6135
    DOI 10.1016/j.ajt.2023.05.035
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Impact of a Public Health Emergency on Behavior, Stress, Anxiety and Glycemic Control in Patients With Pancreas or Islet Transplantation for Type 1 Diabetes.

    Landstra, Cyril P / Ruissen, Merel M / Regeer, Hannah / Nijhoff, Michiel F / Ballieux, Bart E P B / van der Boog, Paul J M / de Vries, Aiko P J / Huisman, Sasja D / de Koning, Eelco J P

    Transplant international : official journal of the European Society for Organ Transplantation

    2024  Volume 37, Page(s) 12278

    Abstract: A public health emergency such as the COVID-19 pandemic has behavioral, mental and physical implications in patients with type 1 diabetes (T1D). To what extent the presence of a transplant further increases this burden is not known. Therefore, we ... ...

    Abstract A public health emergency such as the COVID-19 pandemic has behavioral, mental and physical implications in patients with type 1 diabetes (T1D). To what extent the presence of a transplant further increases this burden is not known. Therefore, we compared T1D patients with an islet or pancreas transplant (β-cell Tx;
    MeSH term(s) Female ; Humans ; Male ; Anxiety ; Blood Glucose ; Blood Glucose Self-Monitoring ; Cross-Sectional Studies ; Diabetes Mellitus, Type 1/complications ; Diabetes Mellitus, Type 1/surgery ; Glycemic Control ; Insulin-Secreting Cells ; Islets of Langerhans Transplantation ; Pandemics ; Public Health
    Chemical Substances Blood Glucose
    Language English
    Publishing date 2024-03-27
    Publishing country Switzerland
    Document type Clinical Trial ; Journal Article ; Observational Study
    ZDB-ID 639435-8
    ISSN 1432-2277 ; 0934-0874
    ISSN (online) 1432-2277
    ISSN 0934-0874
    DOI 10.3389/ti.2024.12278
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  4. Article ; Online: Vulnerabilities in kidney transplant recipients with COVID-19: a single center experience.

    Meziyerh, Soufian / van der Helm, Danny / de Vries, Aiko P J

    Transplant international : official journal of the European Society for Organ Transplantation

    2020  Volume 33, Issue 11, Page(s) 1557–1561

    MeSH term(s) Adult ; Aged ; COVID-19/etiology ; COVID-19/mortality ; COVID-19/therapy ; Case-Control Studies ; Female ; Humans ; Kidney Failure, Chronic/mortality ; Kidney Failure, Chronic/surgery ; Kidney Transplantation ; Male ; Middle Aged ; Postoperative Complications/mortality ; Postoperative Complications/therapy ; Risk Factors ; Survival Analysis ; United States/epidemiology
    Keywords covid19
    Language English
    Publishing date 2020-08-26
    Publishing country Switzerland
    Document type Letter
    ZDB-ID 639435-8
    ISSN 1432-2277 ; 0934-0874
    ISSN (online) 1432-2277
    ISSN 0934-0874
    DOI 10.1111/tri.13714
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  5. Article ; Online: C3 glomerulopathy.

    Koopman, Jacob J E / de Vries, Aiko P J / Bajema, Ingeborg M

    Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association

    2019  Volume 36, Issue 4, Page(s) 594–596

    Language English
    Publishing date 2019-10-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 90594-x
    ISSN 1460-2385 ; 0931-0509
    ISSN (online) 1460-2385
    ISSN 0931-0509
    DOI 10.1093/ndt/gfz201
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  6. Article ; Online: International consensus on post-transplantation diabetes mellitus.

    Sharif, Adnan / Chakkera, Harini / de Vries, Aiko P J / Eller, Kathrin / Guthoff, Martina / Haller, Maria C / Hornum, Mads / Nordheim, Espen / Kautzky-Willer, Alexandra / Krebs, Michael / Kukla, Aleksandra / Kurnikowski, Amelie / Schwaiger, Elisabeth / Montero, Nuria / Pascual, Julio / Jenssen, Trond G / Porrini, Esteban / Hecking, Manfred

    Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association

    2024  Volume 39, Issue 3, Page(s) 531–549

    Abstract: Post-transplantation diabetes mellitus (PTDM) remains a leading complication after solid organ transplantation. Previous international PTDM consensus meetings in 2003 and 2013 provided standardized frameworks to reduce heterogeneity in diagnosis, risk ... ...

    Abstract Post-transplantation diabetes mellitus (PTDM) remains a leading complication after solid organ transplantation. Previous international PTDM consensus meetings in 2003 and 2013 provided standardized frameworks to reduce heterogeneity in diagnosis, risk stratification and management. However, the last decade has seen significant advancements in our PTDM knowledge complemented by rapidly changing treatment algorithms for management of diabetes in the general population. In view of these developments, and to ensure reduced variation in clinical practice, a 3rd international PTDM Consensus Meeting was planned and held from 6-8 May 2022 in Vienna, Austria involving global delegates with PTDM expertise to update the previous reports. This update includes opinion statements concerning optimal diagnostic tools, recognition of prediabetes (impaired fasting glucose and/or impaired glucose tolerance), new mechanistic insights, immunosuppression modification, evidence-based strategies to prevent PTDM, treatment hierarchy for incorporating novel glucose-lowering agents and suggestions for the future direction of PTDM research to address unmet needs. Due to the paucity of good quality evidence, consensus meeting participants agreed that making GRADE (Grading of Recommendations, Assessment, Development, and Evaluations) recommendations would be flawed. Although kidney-allograft centric, we suggest that these opinion statements can be appraised by the transplantation community for implementation across different solid organ transplant cohorts. Acknowledging the paucity of published literature, this report reflects consensus expert opinion. Attaining evidence is desirable to ensure establishment of optimized care for any solid organ transplant recipient at risk of, or who develops, PTDM as we strive to improve long-term outcomes.
    MeSH term(s) Humans ; Consensus ; Kidney Transplantation/adverse effects ; Diabetes Mellitus/diagnosis ; Diabetes Mellitus/epidemiology ; Diabetes Mellitus/etiology ; Organ Transplantation/adverse effects ; Glucose ; Risk Factors ; Postoperative Complications/diagnosis ; Postoperative Complications/etiology ; Postoperative Complications/epidemiology
    Chemical Substances Glucose (IY9XDZ35W2)
    Language English
    Publishing date 2024-03-12
    Publishing country England
    Document type Journal Article
    ZDB-ID 90594-x
    ISSN 1460-2385 ; 0931-0509
    ISSN (online) 1460-2385
    ISSN 0931-0509
    DOI 10.1093/ndt/gfad258
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  7. Article: Meltdose Tacrolimus Population Pharmacokinetics and Limited Sampling Strategy Evaluation in Elderly Kidney Transplant Recipients.

    Kamp, Jasper / Zwart, Tom C / Meziyerh, Soufian / van der Boog, Paul J M / Nijgh, Esther E / van Duin, Koen / de Vries, Aiko P J / Moes, Dirk Jan A R

    Pharmaceutics

    2023  Volume 16, Issue 1

    Abstract: Background: Meltdose tacrolimus (Envarsus: Methods: A total of 34 kidney transplant recipients aged ≥65 years, starting on meltdose tacrolimus directly after transplantation, were included. An eight-point whole blood AUC: Results: The PK data were ...

    Abstract Background: Meltdose tacrolimus (Envarsus
    Methods: A total of 34 kidney transplant recipients aged ≥65 years, starting on meltdose tacrolimus directly after transplantation, were included. An eight-point whole blood AUC
    Results: The PK data were best described using a two-compartment model, including three transit compartments and a mixture model for oral absorption. The best three-sample LSS was T = 0, 2, 6 h. The best four-sample LSSs were T = 0, 2, 6, 8 h and T = 0, 1, 6, 8 h.
    Conclusions: The developed population PK model adequately described the tacrolimus PK data in a population of elderly kidney transplant recipients. In addition, the developed population PK model and LSS showed an adequate estimation of tacrolimus exposure, and may therefore be used to aid in tacrolimus dose individualization.
    Language English
    Publishing date 2023-12-21
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2527217-2
    ISSN 1999-4923
    ISSN 1999-4923
    DOI 10.3390/pharmaceutics16010017
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  8. Article ; Online: The Clinical Utility of Post-Transplant Monitoring of Donor-Specific Antibodies in Stable Renal Transplant Recipients: A Consensus Report With Guideline Statements for Clinical Practice.

    van den Broek, Dennis A J / Meziyerh, Soufian / Budde, Klemens / Lefaucheur, Carmen / Cozzi, Emanuele / Bertrand, Dominique / López Del Moral, Covadonga / Dorling, Anthony / Emonds, Marie-Paule / Naesens, Maarten / de Vries, Aiko P J

    Transplant international : official journal of the European Society for Organ Transplantation

    2023  Volume 36, Page(s) 11321

    Abstract: Solid phase immunoassays improved the detection and determination of the antigen-specificity of donor-specific antibodies (DSA) to human leukocyte antigens (HLA). The widespread use of SPI in kidney transplantation also introduced new clinical dilemmas, ... ...

    Abstract Solid phase immunoassays improved the detection and determination of the antigen-specificity of donor-specific antibodies (DSA) to human leukocyte antigens (HLA). The widespread use of SPI in kidney transplantation also introduced new clinical dilemmas, such as whether patients should be monitored for DSA pre- or post-transplantation. Pretransplant screening through SPI has become standard practice and DSA are readily determined in case of suspected rejection. However, DSA monitoring in recipients with stable graft function has not been universally established as standard of care. This may be related to uncertainty regarding the clinical utility of DSA monitoring as a screening tool. This consensus report aims to appraise the clinical utility of DSA monitoring in recipients without overt signs of graft dysfunction, using the Wilson & Junger criteria for assessing the validity of a screening practice. To assess the evidence on DSA monitoring, the European Society for Organ Transplantation (ESOT) convened a dedicated workgroup, comprised of experts in transplantation nephrology and immunology, to review relevant literature. Guidelines and statements were developed during a consensus conference by Delphi methodology that took place in person in November 2022 in Prague. The findings and recommendations of the workgroup on subclinical DSA monitoring are presented in this article.
    MeSH term(s) Humans ; Kidney Transplantation ; Graft Rejection ; Isoantibodies ; Kidney ; Organ Transplantation ; HLA Antigens ; Graft Survival ; Transplant Recipients ; Tissue Donors ; Histocompatibility Testing ; Retrospective Studies
    Chemical Substances Isoantibodies ; HLA Antigens
    Language English
    Publishing date 2023-07-25
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 639435-8
    ISSN 1432-2277 ; 0934-0874
    ISSN (online) 1432-2277
    ISSN 0934-0874
    DOI 10.3389/ti.2023.11321
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  9. Article ; Online: European Society for Organ Transplantation (ESOT)-TLJ 3.0 Consensus on Histopathological Analysis of Pre-Implantation Donor Kidney Biopsy: Redefining the Role in the Process of Graft Assessment.

    Zaza, Gianluigi / Cucchiari, David / Becker, Jan Ulrich / de Vries, Aiko P J / Eccher, Albino / Florquin, Sandrine / Kers, Jesper / Rabant, Marion / Rossini, Michele / Pengel, Liset / Marson, Lorna / Furian, Lucrezia

    Transplant international : official journal of the European Society for Organ Transplantation

    2023  Volume 36, Page(s) 11410

    Abstract: The ESOT TLJ 3.0. consensus conference brought together leading experts in transplantation to develop evidence-based guidance on the standardization and clinical utility of pre-implantation kidney biopsy in the assessment of grafts from Expanded Criteria ...

    Abstract The ESOT TLJ 3.0. consensus conference brought together leading experts in transplantation to develop evidence-based guidance on the standardization and clinical utility of pre-implantation kidney biopsy in the assessment of grafts from Expanded Criteria Donors (ECD). Seven themes were selected and underwent in-depth analysis after formulation of PICO (patient/population, intervention, comparison, outcomes) questions. After literature search, the statements for each key question were produced, rated according the GRADE approach [Quality of evidence: High (A), Moderate (B), Low (C); Strength of Recommendation: Strong (1), Weak (2)]. The statements were subsequently presented in-person at the Prague kick-off meeting, discussed and voted. After two rounds of discussion and voting, all 7 statements reached an overall agreement of 100% on the following issues: needle core/wedge/punch technique representatively [B,1], frozen/paraffin embedded section reliability [B,2], experienced/non-experienced on-call renal pathologist reproducibility/accuracy of the histological report [A,1], glomerulosclerosis/other parameters reproducibility [C,2], digital pathology/light microscopy in the measurement of histological variables [A,1], special stainings/Haematoxylin and Eosin alone comparison [A,1], glomerulosclerosis reliability
    MeSH term(s) Humans ; Kidney Transplantation/methods ; Reproducibility of Results ; Kidney/pathology ; Biopsy ; Tissue Donors ; Organ Transplantation ; Graft Survival
    Language English
    Publishing date 2023-07-04
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 639435-8
    ISSN 1432-2277 ; 0934-0874
    ISSN (online) 1432-2277
    ISSN 0934-0874
    DOI 10.3389/ti.2023.11410
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  10. Article ; Online: Tacrolimus and Mycophenolic Acid Exposure Are Associated with Biopsy-Proven Acute Rejection: A Study to Provide Evidence for Longer-Term Target Ranges.

    Meziyerh, Soufian / van Gelder, Teun / Kers, Jesper / van der Helm, Danny / van der Boog, Paul J M / de Fijter, Johan W / Moes, Dirk Jan A R / de Vries, Aiko P J

    Clinical pharmacology and therapeutics

    2023  Volume 114, Issue 1, Page(s) 192–200

    Abstract: Evidence to define target ranges for tacrolimus (Tac) and mycophenolic acid (MPA) exposure after the first year of kidney transplantation is limited. We investigated the association of measurements at 1 year and repeated measurements of real-world Tac- ... ...

    Abstract Evidence to define target ranges for tacrolimus (Tac) and mycophenolic acid (MPA) exposure after the first year of kidney transplantation is limited. We investigated the association of measurements at 1 year and repeated measurements of real-world Tac-trough levels (C
    MeSH term(s) Humans ; Tacrolimus/adverse effects ; Mycophenolic Acid/adverse effects ; Immunosuppressive Agents/adverse effects ; Kidney Transplantation/adverse effects ; Graft Rejection/prevention & control
    Chemical Substances Tacrolimus (WM0HAQ4WNM) ; Mycophenolic Acid (HU9DX48N0T) ; Immunosuppressive Agents
    Language English
    Publishing date 2023-05-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 123793-7
    ISSN 1532-6535 ; 0009-9236
    ISSN (online) 1532-6535
    ISSN 0009-9236
    DOI 10.1002/cpt.2915
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