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INTRODUCTION: During the coronavirus disease 2019 (Covid-19) pandemic, several physicians have questioned pursuing belatacept in kidney-transplant patients in order to reduce the risk of nosocomial transmission during the monthly infusion. The effect of the conversion from belatacept to another immunosuppressive regimen is underreported. The aim of the present retrospective study was to assess the effect on kidney function and the clinical outcome of the conversion from belatacept to another regimen. METHODS: We have identified 44 maintenance kidney transplantation patients from five French kidney transplantation centers who were converted from belatacept to another regimen either because of a complication (n = 28) or another reason (patients’ request or belatacept shortage, n = 13). The follow-up after the conversion from belatacept was 27.5 ± 25.3 months. RESULTS: Overall, mean estimated glomerular filtration rate (eGFR) decreased from 44.2 ± 16 ml/min per 1.73 m(2) at conversion from belatacept to 35.7 ± 18.4 ml/min per 1.73 m(2) at last follow-up (P = 0.0002). eGFR significantly decreased in patients who had been given belatacept at transplantation as well as in those who had been converted to belatacept earlier. The decrease was less significant in patients who had stopped belatacept without having experienced any complications. Finally, eGFR decreased more severely in patients who were converted to calcineurin inhibitors (CNIs), compared to those who received mammalian target of rapamycin inhibitor (mTORi). Few patients also developed diabetes and hypertension. CONCLUSIONS: Thus, transplantation physicians should avoid stopping belatacept when not clinically required.
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10.1016/j.ekir.2020.09.036
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document_parses/pdf_json/51b37f58c1604f2b76616d35421f355b8f003909.json
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document_parses/pmc_json/PMC7710888.xml.json
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Conversion From Belatacept to Another Immunosuppressive Regimen in Maintenance Kidney-Transplantation Patients
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