Publications by authors named "A M Roelants-van Rijn"

Article Synopsis
  • BK polyomavirus-associated nephropathy (BKPyVAN) is a significant complication after kidney transplantation, usually managed by reducing immunosuppression when BK polyomavirus (BKPyV) is detected.
  • A study involving 1,076 kidney transplant recipients found a higher risk of developing de novo donor-specific antibodies (dnDSA) in patients with high BKPyV DNA loads compared to those without, suggesting that the required immunosuppression reduction can worsen immune responses.
  • While high BKPyV DNAemia increased dnDSA risk, there was no significant difference in the occurrence of biopsy-proven acute rejection (BPAR) between groups, indicating a need for better strategies to manage BKPyV infections in transplant patients.
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The recommended immunosuppressive treatment after kidney transplantation consists of tacrolimus, mycophenolate mofetil, and low-dose corticosteroids. Drug concentrations are monitored using therapeutic drug monitoring (TDM), which does not necessarily correlate with pharmacodynamic activity. To find the balance between optimal efficacy and minimal toxicity, it might be more informative to monitor patients' immunological status rather than drug concentrations.

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Background: Viral load (VL) determination in patients with human immunodeficiency virus type 1 (HIV-1), hepatitis B virus (HBV) and hepatitis C virus (HCV) is essential for proper patient management and follow-up. New molecular platforms have been developed to fully automate these diagnostic assays.

Objective: Evaluation of the clinical performance of HIV-1, HBV and HCV VL assays on the Alinity m (Abbott) and NeuMoDx (Qiagen) molecular platforms.

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Gender dysphoria (GD) and Autism Spectrum Disorder (ASD) co-occur relatively often, but there is no evidence-based treatment for this specific group. Therefore, we examined the effects of a group intervention for adolescents with ASD and GD in a pilot study with a pre-post-test design. The adolescents completed questionnaires on quality of life, self-esteem, gender dysphoric feelings, and social responsiveness.

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Balancing immunosuppression to prevent rejection in solid organ transplant (SOT) recipients remains challenging. Torque teno virus (TTV), a commensal non-pathogenic virus, has been proposed as marker of functional immunity: higher loads correspond to over-immunosuppression, and lower loads to under-immunosuppression. This review offers an overview of the current evidence of the association between TTV-load and infection and rejection after SOT.

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